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future technology devices international limited (ftdi) unit 1, 2 seaward place, glasgow g41 1hh, united kingdom tel.: +44 (0) 141 429 2777 fax: + 44 (0) 141 429 2758 e - mail (support): support1@ftdichip.com web: http://www.ftdichip.com neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder. this product and its documentat ion are supplied on an as - is basis and no warranty as to their suitability for any particular purpose is either made or implied. future technology devices international ltd will not accept any claim for damages howsoever arising as a result of use or failure of this produ ct. your statutory rights are not affected. this product or any variant of it is not intended for use in any medical appliance, device or system in which the failure of the product might reasonably be expected to result in personal injury. this document provides preliminar y information that may be subject to change without notice. n o freedom to use patents or other intellectual property rights is implied by the publication of this document. future technology devices international ltd, unit 1, 2 seaward place, centurion business park, glasgow, g41 1hh , united kingdom. scotland registe red number: sc136640 copyright ? future technology devices international limited future technology devices international ltd ttl - 234x ttl234x series range of cables datasheet doc ument ref erence no. : ft_001394 version 1.0 issue date: 2017 - 02 - 22
cop yright ? future technology devices international limited 1 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 1 description t he ttl - 234x cables are a family of usb to ttl serial uart converter cable s incorporating ftdis ft234xd usb to basic uart interface ic dev ice which handles all the usb signalling and protocols. the cables provide a fast, simple way to connect devices with a ttl level serial interface to usb. each ttl - 234x cable contains a small internal electronic circuit board , utilis ing the ft234xd , which is encapsulated i n to the usb connector end of the cable. the ft234xd datasheet, ds_ ft234xd , is available at http://www.ftdichip.com . the other en d of the cable comes with a selection of differen t connectors supporting various applications C see table 1 . 1 cables are fcc, ce, rohs compliant and are available at ttl levels of +5v and +3.3v. cables are availab le with either a 6 - way sil,0.1 pitch connector, a 3.5mm audio jack, an 8 way, keyed 2mm pitch connector (intended for use with vmusic2 or vdrive2 ) , or bare, tinned wire ended connections (see table 1 . 1 ) the usb s ide of the cable is usb powered and usb 2.0 full speed compatible. each cable is 1.8 m long and supports a data transfer rate up to 3 mbaud . the ttl - 234x cables require usb drivers, available free from http://www.ftdichip.com , whi ch are u sed to make the ft234xd i n the cable appear as a virtual com port (vcp). this then allows the user to communicate with the usb interface via a standard pc serial emulation port ( for example tty). another ftdi usb driver, the d2xx driver, can also be used w ith application software to directly access the ft234xd on the cable though a dll. this is illustrated in the figure 1 . 1 figure 1 . 1 using the ttl - 234x cable
cop yright ? future technology devices international limited 2 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 1.1 a vailable cables and part numbers the following table 1 . 1 gives details of the available ttl - 234x cables. part number description end connector* cable details ttl - 234x - 5v usb to uart cable with +5v ttl level uart signals. 6 pin sil, 0.1 pitch 6 pin sil, 0.1 pitch table 1 . 1 ttl - 234x cables descriptions and part numbers * ftdi supports customised end connector designs. for more inform ation, please contact ftdi sales team (sales1@ftdichip.com)
cop yright ? future technology devices international limited 3 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 1.2 certifications ftdi ttl - 234x range of cables is fully rohs compliant as well as ce and fcc certified 1.3 usb compliant the ttl - 234x cables is fully comp atible with the usb 2.0 specification. the ft234xd chipset has used in this design has full usb - if compliance.
cop yright ? future technology devices international limited 4 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 table of content s 1 description ................................ ................................ ...... 1 1.1 available cables and part numbers ................................ ........... 2 1.2 certifications ................................ ................................ ............ 3 1.3 usb compliant ................................ ................................ .......... 3 2 typical applications ................................ ........................ 6 2.1 driver support ................................ ................................ .......... 6 2.2 features ................................ ................................ .................... 7 3 features of the ft234xd applicable to t tl - 234x cables . 8 4 ttl - 234x - 5v & ttl - 234x - 3v3 cables ........................... 10 4.1 ttl - 234x - 5v, ttl - 234x - 3v3 connector pin out and mechanical details ................................ ................................ ............................. 10 4.2 ttl - 234x - 5v & ttl - 234x - 3v3 cable signal descriptions ........ 11 4.3 ttl - 234x - 5v & ttl - 234x - 3v3 electrical parameters .............. 11 4.3.1 ttl - 234x - 5v electrical parameters ................................ ............................ 11 4.3.2 ttl - 234x - 3v3 electrical parameters ................................ .......................... 12 5 ttl - 234x - 5v - aj & ttl - 234x - 3v3 - aj ............................ 13 5.1 ttl - 234x - 5v - aj, ttl - 234x - 3v3 - aj connector pin out and mechanical details ................................ ................................ ........... 13 5.2 ttl - 234x - 5v - aj & ttl - 234x - 3v3 - aj cable signal description 14 5.3 ttl - 234x - 5v - aj & ttl - 234x - 3v3 - aj electrical parameters .... 14 5.3.1 ttl - 234x - 5v - aj electrical parameters ................................ ........................ 14 5.3.2 ttl - 234x - 3v3 - aj electrical parameters ................................ ...................... 15 6 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cables ........... 16 6.1 ttl - 234x - 5v - we, ttl - 234x - 3v3 - we connections and mechanical details ................................ ................................ ........... 16 6.2 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cable signal descriptions ................................ ................................ .................... 16 6.3 ttl - 234x - 5v - we & ttl - 234x - 3v3 - we electrical parameters . 17 6.3.1 ttl - 234x - 5v - we electrical parameters ................................ ...................... 17 6.3.2 ttl - 234x - 3v3 - we electrical parameters ................................ .................... 17 7 ttl - 234x - 3v3 - 2mm cable ................................ ............ 19 7.1 ttl - 234x - 3v3 - 2mm connecto r pin out and mechanical details 19 7.2 ttl - 234x - 3v3 - 2mm cable signal descriptions ....................... 20
cop yright ? future technology devices international limited 5 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 7.3 ttl - 234x - 3v3 - 2mm electrical parameters ............................. 20 8 cable pcb circuit schematic ................................ .......... 21 9 contact information ................................ ...................... 22 appendix a - cable mtp memory configuration ................ 23 appendix b - list of figures and tables ............................. 25 list of figures ................................ ................................ ................. 25 list of tables ................................ ................................ ................... 25 appendix c - revision history ................................ ............ 26
cop yright ? future technology devices international limited 6 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 2 typical applications ? usb to serial ttl level converter ? upgrading legacy peripherals to usb ? interfa ce microcontroller uart or i/o to usb ? interface fpga / pld to usb ? firmware download and debug cable ? u sb instrumentation pc interface ? usb industrial control ? usb software / hardware encryption dongles ? maker projects test cable 2.1 driver support royalty free virtual com port (vcp) drivers for... ? windows 10 32,64 - bit ? windows 8/8.1 32,64 - bit ? windows 7 32,64 - bit ? server 2003, server 2008 and server 2012 r2 ? windows ce 4.2, 5.0 and 6.0 ? mac os os - x ? linux 2.4 and greater royalty free d2xx direct drivers (usb drivers + dll s/w interface) ? windows 10 32,64 - bit ? windows 8/8.1 32,64 - bit ? windows 7 32,64 - bit ? windows server 2003, server 2008 and server 2012 r2 ? windows ce 4.2, 5 .0 and 6.0 ? mac os - x ? linux 2.4 and greater ? android (j2xx) the drivers listed above are all available to download for free from www.ftdichip.com . various 3rd party drivers are also available for various other operating systems - see www.ftdichip.com for details.
cop yright ? future technology devices international limited 7 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 2.2 f ea t ures ? ttl - 234x converter cable provides a usb to ttl serial interface with various end connectors. ? on board ft234xd provides single chip usb to asynchronous serial data transfer interface. ? entire usb protocol handled by the electronics in the cable usb. ? connect directly to a microcontroller uart or i /o pins. ? uart interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity. ? fully assisted hardware (rts#/cts#) or x - on / x - off software handshaking. ? data transfer rates from 300 baud to 3 mbaud at ttl levels. ? internal mtp memory with user writeable area. ? 5v cmos drive outputs and 5v safe ttl inputs makes the ttl - 234x easy to interface to 5v mcus. ? ftdis royalty - free vcp allow s for communication as a standard emulated com port and d2xx direct drivers provide dll appl ication programming interface. ? + 5v output allow s external logic to be powered from the usb port. ? 6 way outputs provide t x, rx, rts#, cts#, vcc and gnd (except audio jack which provide only tx , rx and gnd). ? 8 way, keyed connector to support ftdi vdrive2 and vmusic2 . ? 3 way audio jack connector provides tx, rx and gnd. ? low usb bandwidth consumption. ? uhci / ohci / ehci host controller compatibl e . ? usb 2.0 full speed compatible. ? - 40c to +85c operating temperature range. ? cable length is 1.80m (6 feet) . ? fcc and ce compliant. ? custom versions also available (subject to moq).
cop yright ? future technology devices international limited 8 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 3 features of the ft234xd applicable to ttl - 234x cables the ttl - 234x cables uses ftdis ft234xd usb to serial ic device. this section summarises the key features of the ft234xd which apply to the ttl - 234x usb to serial ttl converter cables. for further details, and a full features and enhancements description consult the ft234xd d atasheet, this is available from www.ftdichip.com . internal mtp memory . the internal mtp memory in each cable is used to store usb v endor id (vid), product id (pid), device serial number, product description string and various other us b configuration descriptors. each cable is supplied with the internal mtp memory pre - programmed as described in contact information he ad office C C future technology devices international limited unit 1, 2 seaward place, centurion business park glasgow g41 1hh united kingdom tel: +44 (0) 141 429 2777 fax: +44 (0) 141 429 2758 future techn ology devices international limited (usa) 7130 sw fir loop tigard, or 97223 - 8160 usa tel: +1 (503) 547 0988 fax: +1 (503) 547 0987 e - mail (sales) sales1@ftdichip.com e - mail (sales) us.sales@ftdichip.com e - mail (support) support1@ftdichip.com e - mail (support) us.support@ftdichip.com e - mail (general enquiries) admin1@ftdichip.com e - mail (general enquiries) us.admin@ftdichip.com branch office C taipei, taiwan branch office C shanghai, china future technology devices international limit ed (taiwan) 2f, no. 516, sec. 1, neihu road taipei 114 taiwan , r.o.c. tel: +886 (0) 2 879 7 1330 fax: +886 (0) 2 8791 3576 future technology devices international limited (china) room 1103, no. 666 west huaihai road, shanghai, 200052 china tel: +86 21 6235 1596 fax: +86 21 62351595 e - mail (sales) tw.sales1@ftdichip.com e - mail (sales) cn.sales@ftdichip.com e - mail (support) tw.support1@ftdichip.com e - mail (support) cn.support@ftdichip.com e - mail (general enquiries) tw.admin1@ftdichip.com e - mail (general enquiries) cn.admin@ftdichip.com web site http://ftdichip.com distributor and sales representatives please visit the sales network page of the ftdi web site for the contact details of our distributor(s) and sales representative(s) in your country. system and equipment manufacturers and designers are responsible to ensure that their systems, and any future technology devi ces
cop yright ? future technology devices international limited 9 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 internati onal ltd (ftdi) devices incorporated in their systems, meet all applicable safety, regulatory and system - level performance requirements. all application - related information in this document (including application descriptions, suggested ftdi devices and ot her materials) is provided for reference only. while ftdi has taken care to assure it is accurate, this information is subject to customer confirmation, and ftdi disclaims all liability for system designs and for any applications assistance provided by ftd i. use of ftdi devices in life support and/or safety applications is entirely at the users risk, and the user agrees to defend, indemnify a nd hold harmless ftdi from any and all damages, claims, suits or expense resulting from such use. this document is s ubject to change without notice. no freedom to use patents or other intellectual property rights is implied by the publication of this document. neith er the whole nor any part of the information contained in, or the product described in this document, may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder. future technology devices international ltd, un it 1, 2 seaward place, centurion business park, glasgow g41 1hh, united kingdom. scotland registered company number: sc136640 appendix a - cable mtp memory configuration . a user area of the internal mtp memory is available to system designers to allow storing additional data. the internal mtp memory descriptors can be programmed in circuit, over usb without any additional volta ge requirement. it can be programmed using the ftdi utility software called ft_prog , which can be downloaded from ftdi utilities on the ftdi website ( www.ftdichip.com ). lower operating and suspend current . the ft234xd has a low 8 ma operating supply current and a very low usb suspend current of approximately 125 a. (note that during suspend mode, the current drawn by an application should not exceed 2.5ma to remain usb compliant) uart pin signal inversion . the sense of each of the four uart signals can be individually inverted by configuring option s in the intern al mtp memory . for example cts# (active low) can be changed to cts (active high), or txd can be changed to txd#. improved emi performance . t he ttl - 234x cables is fcc and ce certified. extended operating temperature range - the ttl - 234x cables are capable of operating over an extended temperature range of - 40o c to +85o c thus allowing them to be used in automotive or industrial applications.
cop yright ? future technology devices international limited 10 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 4 ttl - 234x - 5v & ttl - 234x - 3v3 cables the ttl - 234x - 5v and ttl - 234x - 3v3 cables are both terminated by a 6 way , 0.1, single - in - line (sil) connector. the difference between the two cables is that the ttl - 234x - 5v operates at +5v levels (signals and power supp ly) and the ttl - 234x - 3v3 operates at +3.3v levels (signals only, vcc= + 5v ) . 4.1 ttl - 234x - 5v , ttl - 234x - 3v3 connector pin out and mechanical details figure 4 . 1 ttl - 234x - 5v and ttl - 234 x - 3v3, 6 way header pin out the mechanical details of the 6 way connector are shown in the following diagram figure 4 . 2 ttl - 234x - 5v ttl - 234x - 3v3, 6 way header mechanical detail s g n d c t s # v c c t x d r x d r t s # 1 2 3 4 5 6 c a b l e 1 . 8 m v c c 1 2 3 4 5 6 6 p i n h e a d e r 0 . 1 i n p i t c h b l a c k b r o w n r e d o r a n g e y e l l o w g r e e n a b c d p i n 1 e d i m e n s i o n s ( m m ) 2 . 5 4 + / - 0 . 0 5 a 1 2 . 7 0 + / - 0 . 2 b c 1 4 . 0 + / - 0 . 2 d 2 . 5 4 + / - 0 . 0 5 e 1 5 . 2 4 + / - 0 . 2
cop yright ? future technology devices international limited 11 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 4.2 ttl - 234x - 5v & ttl - 234x - 3v3 cable signal descriptions header pin number name type colour description 1 gnd gnd black device ground supply pin. 2 cts# input brown clear to send control input / handshake signal. 3 vcc output red +5v o utput , 4 txd output orange transmit asynchronous data output. 5 rxd input yellow receive asynchronous data input. 6 rts# output green request to send control output / handshake signal. table 4 . 1 ttl - 234x - 5v and ttl - 234x - 3v3 cable signal descriptions 4.3 ttl - 234x - 5v & ttl - 234x - 3v3 electrical parameters 4.3.1 ttl - 234x - 5v electrical parameters parameter description minimum typical maximum units conditions v cc supply voltage 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 5v is connected to i cc supply current - - 450 ma assuming connected to direct to a host port or a powered hub, and enumerated t operating temperature range - 40 - +85 o c table 4 . 2 ttl - 234x - 5v electric al parameters parameter description minimum typical maximum units conditions v oh output voltage high 4. 7 5 5.0 5.25 v dependant to the usb port is connected to v ol output voltage low - 0 0. 4 v v i l input low switching threshold - - 0.8 v lvttl v ih inpu t high switching threshold 2 - - v lvttl table 4 . 3 ttl - 234x - 5v i/o pin characteristics
cop yright ? future technology devices international limited 12 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 4.3.2 ttl - 234x - 3v3 electrical parameters parameter description minimum typical maximum units conditions v cc supply volta ge 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 3v3 is connected to i cc supply current - - 450 ma assuming connected to direct to a host port or a powered hub, and enumerated t operating temperature range - 40 - +85 o c table 4 . 4 ttl - 234x - 3v3 electrical parameters parameter description minimum typical maximum units conditions v oh output voltage high 2.97 vccio vccio v vccio=3.3v v ol output voltage low - 0 0.4 v v i l input low switching th reshold - - 0.8 v lvttl v ih input high switching threshold 2 - - v lvttl table 4 . 5 ttl - 234x - 3v3 i/o pin characteristics
cop yright ? future technology devices international limited 13 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 5 ttl - 234x - 5v - aj & ttl - 234x - 3v3 - aj the ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj cables are both terminated by a standard 3.5mm audio jack (aj) connector. the difference between the two cables is that the ttl - 234x - 5v - aj operates at +5v le vels and the ttl - 234x - 3v3 - aj operat es at +3.3v levels . on these cables the vcc power is not transferred. 5.1 ttl - 234x - 5v - aj, ttl - 234x - 3v3 - aj connector pin out and mechanical details figure 5 . 1 ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj pin out the mechanical details of the audio jack connector ar e shown in the following figure 5 . 2 . figure 5 . 2 ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj audio jack mechanical details 1 4 . 0 + / - 0 . 2 3 . 0 + / - 0 . 1 2 . 6 + / - 0 . 1 3 . 2 + / - 0 . 1 3 . 5 + / - 0 . 1 6 . 0 + / - 0 . 1 d i m e n s i o n s i n m m
cop yright ? future technology devices international limited 14 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 5.2 ttl - 234x - 5v - aj & ttl - 234x - 3v3 - aj cable signal description header pin number name type colour description tip txd gnd black transmit asynchronous data output. ring rxd input brown receive asynchronous data input. sleeve gnd output red gnd table 5 . 1 ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj cable signal descriptions 5.3 ttl - 234x - 5v - aj & ttl - 234x - 3v3 - aj electrical parameters 5.3.1 ttl - 234x - 5v - aj electrical parameters parameter description minimum typical maximum units conditions v cc o perating voltage 4. 7 5 5.0 5.25 v dependant on th e usb port that the ttl - 234x - 5v - aj is connected to i o o perating current - 8 8.3 ma normal operation t operating temperature range - 40 +85 o c table 5 . 2 ttl - 234x - 5v - aj operating parameters parameter descri ption minimum typical maximum units conditions v oh output voltage high 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 5v - aj is connected to v ol output voltage low - 0 0.4 v v i l input low switching threshold - - 0.8 v lvttl v ih input high switching threshold 2 - - v lvttl table 5 . 3 ttl - 234x - 5v - aj i/o pin characteristics
cop yright ? future technology devices international limited 15 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 5.3.2 ttl - 234x - 3v3 - aj electrical parameters parameter description minimum typical maximum units conditions v cc o perating voltage 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 3v3 - aj is connected to i o o perating current - 8 8.3 ma normal operation t operating temperature range - 40 +85 o c table 5 . 4 ttl - 234x - 3v3 - aj operating parameters parameter description minimum typical maximum units conditions v oh output voltage high 2.97 vccio vccio v vccio=3.3v v ol output voltage low - 0 0. 4 v v i l input low switching threshold - - 0.8 v lvttl v ih input high switching threshold 2 - - v lvttl table 5 . 5 ttl - 234x - 3v3 - aj i/o pin characteristics
cop yright ? future technology devices international limited 16 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 6 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cables the ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cables are both un - terminated ; they are bare and tinn ed wires . the difference between the two cables is that the ttl - 234x - 5v - we operates at +5v levels (signals and power supply) and the ttl - 234x - 3v3 - we operates at +3.3v levels (signals only, vcc=+5v ). 6.1 ttl - 234x - 5v - we , ttl - 234x - 3v3 - we connections and mec hanical details the following figure 6 . 1 shows the cable signals and the wire colours for these signals on the ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cables. figure 6 . 1 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we connections figure 6 . 2 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we mechanical details (dimensions in mm) 6.2 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cable signal descriptions colo ur name type description black gnd gnd device ground supply pin. brown cts# input clear to send control input / handshake signal. red vcc output +5v output orange txd output transmit asynchronous data output. yellow rxd input receive asynchronous da ta input. green rts# output request to send control output / handshake signal. table 6 . 1 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cable signal descriptions g n d c t s # v c c t x d r x d r t s # 1 2 3 4 5 6 c a b l e 1 . 8 m v c c 1 2 3 4 5 6 b l a c k b r o w n r e d o r a n g e y e l l o w g r e e n
cop yright ? future technology devices international limited 17 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 6.3 ttl - 234x - 5v - we & ttl - 234x - 3v3 - we electrical parameter s 6.3.1 ttl - 234x - 5v - we electrical parameters parameter description minimum typical maximum units conditions v cc supply voltage 4. 75 5.0 5.25 v dependant on the usb port that the ttl - 234x - 5v - we is connected to i cc supply current - - 450 ma assuming connected t o direct to a host port or a powered hub, and enumerated t operating temperature range - 40 +85 o c table 6 . 2 ttl - 234x - 5v - we electrical parameters parameter description minimum typical maximum units conditi ons v oh output voltage high 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 5v - we is connected to v ol output voltage low - 0 0.4 v v i l input low switching threshold - - 0.8 v lvttl v ih input high switching threshold 2 - - v lvttl table 6 . 3 ttl - 234x - 5v - we i/o pin characteristics 6.3.2 ttl - 234x - 3v3 - we electrical parameters parameter description minimum typical maximum units conditions v cc supply voltage 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 3v3 - we is connected to i cc supply current - - 450 ma assuming connected to direct to a host port or a powered hub, and enumerated t operating temperature range - 40 +85 o c table 6 . 4 ttl - 234x - 3v3 - we electrical parameters
cop yright ? future technology devices international limited 18 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 parameter description minimum typical maximum units conditions v oh output voltage high 2.97 vccio vccio v vccio=3.3v v ol output voltage low - 0 0.4 v v i l input low switching threshold - - 0.8 v lvttl v ih input high switc hing threshold 2 - - v lvttl table 6 . 5 ttl - 234x - 3v3 - we i/o pin characteristics
cop yright ? future technology devices international limited 19 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 7 ttl - 234x - 3v3 - 2mm cable the ttl - 234x - 3v3 - 2mm cable is terminated by an 8 way , 2mm pitch , single - in - line (sil) keyed connector. the ttl - 234x - 3v3 - 2mm operates at +3.3v levels (signals only, vcc=+5v ). these cables are primarily intended for interfacing the ftdi vdrive2 and vmusic2 modules. note that when connected to vdrive 2 or vmusic 2 module, the ttl - 234x - 3v3 - 2mm cable 8 - way connec tor pin 1 connects to pin 8 of the module, and pin 8 of the cable connects to pin 1 of the cable. 7.1 ttl - 234x - 3v3 - 2mm connector pin out and mechanical details figure 7 . 1 ttl - 234x - 3v 3 - 2mm , 8 way header pin out the mechanical details of the 2mm pitch 8 way , keyed , connector are shown in the following diagram figure 7 . 2 ttl - 234x - 3v3 - 2mm, 2mm pitch, keyed, 8 wa y header mechanical details g n d c t s # v c c t x d r x d r t s # 8 7 6 5 , 1 4 3 c a b l e 1 . 8 m v c c 1 2 3 4 5 6 8 p i n h e a d e r 2 m m p i t c h b l a c k b r o w n r e d o r a n g e y e l l o w g r e e n 7 k e y b l u e 8 a b c d p i n 1 e d i m e n s i o n s ( m m ) 2 . 0 0 + / - 0 . 0 0 5 a 1 4 . 0 0 + / - 0 . 2 b c 7 . 1 0 + / - 0 . 2 5 d 2 . 0 0 + / - 0 . 0 0 5 e 1 6 . 4 0 + / - 0 . 2
cop yright ? future technology devices international limited 20 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 7.2 ttl - 234x - 3v3 - 2mm cable signal descriptions header pin number name type colour description 1 ri# output blue ring indicator control input. when remote wake up is enabled taking ri# low (20ms active low pulse) can be used to re sume the vmusic2 or vdrive2 host controller from suspend. connected to txd. 2 key key key this connection is keyed to connect to the vrdive2 or the vmusic2 modules 3 rts# output green request to send control output / handshake signal. 4 rxd input yellow receive asynchronous data input. 5 txd output orange transmit asynchronous data output. 6 vcc output red +5 v output, 7 cts# input brown clear to send control input / handshake signal. 8 gnd gnd black device ground supply pin. table 7 . 1 ttl - 234x - 3v3 - 2mm cable signal descriptions 7.3 ttl - 234x - 3v3 - 2mm electrical parameters parameter description minimum typical maximum units conditions v cc supply voltage 4. 7 5 5.0 5.25 v dependant on the usb port that the ttl - 234x - 3v3 - 2mm is connected to i cc supply current - - 450 ma assuming connected to direct to a host port or a powered hub, and enumerated t operating temperature range - 40 +85 o c table 7 . 2 ttl - 234x - 3v3 - 2mm electrical parameters parameter description minimum typical maximum units conditions v oh output voltage high 2.97 vccio vccio v vccio=3.3v v ol output voltage low - 0 0.4 v v i l input low switching threshold - - 0.8 v lvttl v ih input high switching thr eshold 2 - - v lvttl table 7 . 3 ttl - 234x - 3v3 - 2mm i/o pin characteristics
cop yright ? future technology devices international limited 21 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 8 cable pcb circuit schematic the circuit schematic for the small internal electronic circuit board, utilising the ftdi ft234xd , which is encapsulated into the usb connector end of the cable , is shown in figure 8 . 1 . customised versions of these cables are also available. users interested in customised versions of these cables should c ontact ftdi sales (sales1@ftdichip.com) . figure 8 . 1 circuit schematic of pcb used in the ttl to usb serial converter cables
cop yright ? future technology devices international limited 22 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 9 contact information he ad office C glasgow, uk branch office C tigard, oregon, usa future technology devices international limited unit 1, 2 seaward place, centurion business park glasgow g41 1hh united kingdom tel: +44 (0) 141 429 2777 fax: +44 (0) 141 429 2758 future techn ology devices international limited (usa) 7130 sw fir loop tigard, or 97223 - 8160 usa tel: +1 (503) 547 0988 fax: +1 (503) 547 0987 e - mail (sales) sales1@ftdichip.com e - mail (sales) us.sales@ftdichip.com e - mail (support) support1@ftdichip.com e - mail (support) us.support@ftdichip.com e - mail (general enquiries) admin1@ftdichip.com e - mail (general enquiries) us.admin@ftdichip.com branch office C taipei, taiwan branch office C shanghai, china future technology devices international limit ed (taiwan) 2f, no. 516, sec. 1, neihu road taipei 114 taiwan , r.o.c. tel: +886 (0) 2 879 7 1330 fax: +886 (0) 2 8791 3576 future technology devices international limited (china) room 1103, no. 666 west huaihai road, shanghai, 200052 china tel: +86 21 6235 1596 fax: +86 21 62351595 e - mail (sales) tw.sales1@ftdichip.com e - mail (sales) cn.sales@ftdichip.com e - mail (support) tw.support1@ftdichip.com e - mail (support) cn.support@ftdichip.com e - mail (general enquiries) tw.admin1@ftdichip.com e - mail (general enquiries) cn.admin@ftdichip.com web site http://ftdichip.com distributor and sales representatives please visit the sales network page of the ftdi web site for the contact details of our distributor(s) and sales representative(s) in your country. system and equipment manufacturers and designers are responsible to ensure that their systems, and any future technology devi ces internati onal ltd (ftdi) devices incorporated in their systems, meet all applicable safety, regulatory and system - level performance requirements. all application - related information in this document (including application descriptions, suggested ftdi devices and ot her materials) is provided for reference only. while ftdi has taken care to assure it is accurate, this information is subject to customer confirmation, and ftdi disclaims all liability for system designs and for any applications assistance provided by ftd i. use of ftdi devices in life support and/or safety applications is entirely at the users risk, and the user agrees to defend, indemnify a nd hold harmless ftdi from any and all damages, claims, suits or expense resulting from such use. this document is s ubject to change without notice. no freedom to use patents or other intellectual property rights is implied by the publication of this document. neith er the whole nor any part of the information contained in, or the product described in this document, may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder. future technology devices international ltd, un it 1, 2 seaward place, centurion business park, glasgow g41 1hh, united kingdom. scotland registered company number: sc136640
cop yright ? future technology devices international limited 23 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 appendix a - cable mtp memory configuration each ttl - 234x cable is controlled by the ftdi ft234xd ic. this ft234xd device contains an mtp memory which contains the usb configuration descriptors for that device. when the cable is plugged into a pc or a usb reset is performed, the pc will read these descriptors. the default values stored into the intern al mtp memory are defined in table 0 . 1 parameter value notes usb vendor id (vi d) 0403h ftdi default vid (hex) usb product ud (pid) 6015 h ftdi default pid (hex) serial number enabled? yes serial number see note a unique serial number is generated and programmed into the mtp memory during device final test. pull down i/o pins in usb suspend disabled enabling this option will make the device pull down on the uart interface lines when the power is shut off (pwren# is high). manufacturer name ftdi product description see note product description depends on the cable. the following lists the product description for each different cable. ttl - 234x - 5v ttl - 234x - 3v3 ttl - 234x - 5v - aj ttl - 234x - 3v3 - aj ttl - 234x - 5v - we ttl - 234x - 3v3 - we ttl - 234x - 3v3 - 2mm max bus power current 90ma power source bus powered device type ft234xd usb version 0200 returns usb 2.0 device description to the host. note: the device is a usb 2.0 full speed device (12mb/s) as opposed to a usb 2.0 high speed device (480mb/s). remote wake up dis abled load vcp driver enabled makes the device load the vcp driver inte rface for the device invert txd disabled signal on this pin becomes txd# if enable. invert rxd disabled signal on this pin becomes rxd# if enable. invert rts# disabled signal on this pin becomes rts if enable. invert cts# disabled signal on this pin be comes cts if enable. table 0 . 1 default internal mtp memory configuration
cop yright ? future technology devices international limited 24 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 the internal mtp memory in the cable can be re - programmed over usb using the utility program ft_prog . ft_prog can be downloaded from the www.ftdichip.com . version 2.8a or later is required for the ft234xd chip. users who do not have their own usb vendor id but who would like to use a unique product id in their design can apply to ftdi for a free block of unique pids. contact ftdi support for this service.
cop yright ? future technology devices international limited 25 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 appendix b - list of figures and tables list of figures figure 1.1 using the ttl - 234x cable ................................ ................................ .............................. 1 figure 4.1 ttl - 234x - 5v and ttl - 234x - 3v3, 6 way header pin out ................................ .................. 10 figure 4.2 ttl - 234x - 5v ttl - 234x - 3v3, 6 way header mechanical details ................................ ......... 10 figure 5.1 ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj pin out ................................ ............................... 13 figure 5.2 ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj audio jack mechanical details ................................ 13 figure 6.1 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we connections ................................ ...................... 16 figure 6.2 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we mechanical details (dimensions in mm) ................ 16 figure 7.1 ttl - 234x - 3v3 - 2mm, 8 way header pin out ................................ ................................ ... 19 figure 7.2 ttl - 234x - 3v3 - 2mm, 2mm pitch, keyed, 8 way header mechanical details ......................... 19 figure 8.1 circuit schematic of pcb used in the ttl to usb serial c onverter cables ........................... 21 list of tables table 1.1 ttl - 234x cables descriptions and part numbers ................................ ................................ 2 table 4.1 ttl - 234x - 5v and ttl - 234x - 3v3 cable signal descriptions ................................ ................ 11 table 4.2 ttl - 234x - 5v electrical parameters ................................ ................................ ................. 11 table 4.3 ttl - 234x - 5v i/o pin characteristics ................................ ................................ ............... 11 table 4.4 ttl - 234x - 3v3 electrical parameters ................................ ................................ ............... 12 table 4.5 ttl - 234x - 3v3 i/o pin characteristics ................................ ................................ .............. 12 table 5.1 ttl - 234x - 5v - aj and ttl - 234x - 3v3 - aj cable si gnal descriptions ................................ ....... 14 table 5.2 ttl - 234x - 5v - aj operating parameters ................................ ................................ ............ 14 table 5.3 ttl - 234x - 5v - aj i/o pin characteristics ................................ ................................ ........... 14 table 5.4 ttl - 234x - 3v3 - aj operating parameters ................................ ................................ .......... 15 table 5 .5 ttl - 234x - 3v3 - aj i/o pin characteristics ................................ ................................ ......... 15 table 6.1 ttl - 234x - 5v - we and ttl - 234x - 3v3 - we cable signal descriptions ................................ .... 16 table 6.2 ttl - 234x - 5v - we electrical parameters ................................ ................................ ........... 17 table 6.3 ttl - 234x - 5v - we i/o pin characteristics ................................ ................................ .......... 17 table 6.4 ttl - 234x - 3v3 - we electrical parameters ................................ ................................ .......... 17 table 6.5 ttl - 234x - 3v3 - we i/o pin characteristics ................................ ................................ ........ 18 table 7.1 ttl - 234x - 3v3 - 2mm cable signal descriptions ................................ ................................ . 20 table 7.2 ttl - 234x - 3v3 - 2mm electrical parameters ................................ ................................ ....... 20 table 7.3 ttl - 234x - 3v3 - 2mm i/o pin characteristics ................................ ................................ ..... 20 table 0.1 default internal mtp memory configuration ................................ ................................ .... 23
cop yright ? future technology devices international limited 26 ttl234x series range of cables datasheet version 1.0 document reference no.: ft_001394 clearance no.: ftdi#520 appendix c - revision history document title: ttl234x series range of cables datasheet document reference no.: ft_001394 clearance no.: ftdi#520 driver page: http://www.ftdichip.com/ftdrivers.htm document feedback: send feedback revision changes date version 1.0 initial release 2017 - 02 - 22

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