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AT89STK-09 starter kit for at83c26 ................. ................ ................ ................. .............. .............. user guide
AT89STK-09 user guide 1 7521b?scr?10/05 section 1 introduction ................ ................ ................. ................ ................. ......... 1-2 1.1 acronyms ..................................................................................................1-2 1.2 features ....................................................................................................1-2 section 2 hardware .............. .............. .............. ............... .............. .............. ......... 2-6 2.1 power supply ............................................................................................2-6 2.2 jumper configuration................................................................................2-6 2.3 host microcontroller connection ...............................................................2-6 2.4 test points ................................................................................................2-9 section 3 quick start ............... ................ ................ ................. ................ .......... 3-12 3.1 smart cards insertion ..............................................................................3-12 3.2 layout .....................................................................................................3-13 section 4 schematics & bill of material ................ ................. ................ ............ 4-14 4.1 bill of material.........................................................................................4-18
AT89STK-09 user guide 1-2 7521b?scr?10/05 section 1 introduction this document helps the user to get started with the at89stk09 starter kit. the at89stk09 is a starter kit for the at83c26 device. the at83c26 is a smart card reader interface with 2 dc/dc converters allowing to manage up to 5 smart cards including level shifters. this device needs twi commands to configure its registers. this device requires a host microcontroller (smart card reader microcontrollers, arms, ...) with one or two iso7816 smart card interfaces. refer to the at83c26 datasheet for further product information. 1.1 acronyms ? twi : inter integrated circuit ? scib: smart card interface bus ? ldo : low drop output (regulator) 1.2 features the AT89STK-09 board provides the following features: ? at89stk09 board with 2 iso7816-3 connectors and 4 sim/sam connectors ? 2 gemplus gemclub smart cards ? one 20 multicolor wires cable with he10 connector ? smart card reader ic cdrom (from may 2005) ? 2 vqfp48 & 2 qfn48 samples ? at89stk09 user guide document the at89stk09 board allows a large number of hardware configurations.
introduction 1-3 AT89STK-09 user guide 7521b?scr?10/05 figure 1-1. at89stk09 board figure 1-1 describes a possible hardware configuration with: ? same power supply voltage for at89stk09 board and host microcontroller board ? twi master signals from a host microcontroller board ? scib signals connected to at89stk09 board ? smart card clock from host microcontroller board figure 1-2. configuration description power supply dc 5v smart card at89stk09 board connection twi master host microcontroller board scib signals internal with wires pull ups
AT89STK-09 user guide 2-4 7521b?scr?10/05 section 2 hardware the at89stk09 requires power supply, clock signal , smart card and twi commands to run. u1 connector is used to connect the at83c26 host pins to the host microcontrol- ler. the u1 connector pins are described on table 2-1. all passive components needed (inductors, capacitors) are soldered on board. 2.1 power supply the host microcontroller signals voltage and the at83c26 power supply are vcc. the voltage range (vcc) is 3v to 5.5v, the maximum current consumption ivcc is about 250ma when all dc/dc convertors and ld o are activated. (conditions : vcc = 3v 60ma dc/dca, 70ma dc/dcb). 2.2 jumper configuration the at83c26 board has one jumper in order to set complete sc2 configuration. the complete sc2 configuration (smart ca rd including cc4 & cc8) is done by sw1 solder pad. 2.3 host microcontroller connection the host microcontroller must provide the signals: ? vcc, vss : power supply signals - 3 - 5.5v @ 250ma ? evcc can be used when the vcc host and vcc are different. generally the evcc is connected to vcc. ? bypass is used to activate the low power consumption wh en connected to the host microcontroller (high level must be supplied) - g enerally the bypass is connected to the ground. ? a2, a1 : twi address - generally a2 = 0 and a1 = 0 during reset ? sda, scl : twi signals to tran smit/receive commands/status caution : twi pull-ups have to be on the host microcontroller board ? clk signal is connected to host clock signal caution : the logic inverter ( hc04 or other) is recommended if source clock is supplied by output crysta l oscillator buffer. ?int (interrupt) : this signal must be connected to host interrupt input ? crst signal is connected to rst host microcontroller signal ? cclk signal is connected to the host smart card interface signal
hardware 2-5 AT89STK-09 user guide 7521b?scr?10/05 ? io1, io2, aux1 and aux2 are connected to the host smart card interface signals depending on the configuration chosen. (refer to the datasheet at83c26) 2.3.1 cpres0 & 1 external pullups r1(component side), r2 (solder side) can be added if internal cpres0, cpres1 pull up are not activated. r1, r2 recommended values are between 27kohms to 1mohms. by default, resistors value is 180kohms table 2-1. u1 description # name color #1 name color 1 cclk brown 11 aux1 brown 2int red 12 not connected red 3 crst orange 13 io2 orange 4 not connected yellow 14 by pass yellow 5 vss green 15 io1 green 6 clk blue 16 vss blue 7 vss velvet 17 scl velvet 8 not connected grey 18 vcc grey 9 aux2 blank 19 sda blank 10 reset black 20 evcc black
hardware AT89STK-09 user guide 2-6 7521b?scr?10/05 figure 2-1. at89stk09 board j2 j2 j1 j3, j4, j5, j6
hardware 2-7 AT89STK-09 user guide 7521b?scr?10/05 2.4 test points caution : active probe use is recommended to measure all smart card interfaces signals cvcc1 cvcc2 cvcc3 cvcc4 cvcc5 signal dc/dcb
AT89STK-09 user guide 3-8 7521b?scr?10/05 section 3 quick start 3.1 smart cards insertion be carreful with the direction of the smart cards in the connector. figure 3-1. smart card direction j1 j2 j1 j2
quick start 3-9 AT89STK-09 user guide 7521b?scr?10/05 3.2 layout the board layout has been optimized in order to reduce the noise, overshoot & under- shoot on the smart card interface signals. the board is used to pass emv certification level 1. gerber file is available on demand at cardreader@atmel.com figure 3-2. component & solder sides component side solder side
schematics & b ill of material AT89STK-09 user guide 4-10 7521b?scr?10/05 section 4 schematics & bill of material
schematics & bill of material 4-11 AT89STK-09 user guide 7521b?scr?10/05
schematics & b ill of material AT89STK-09 user guide 4-12 7521b?scr?10/05
schematics & bill of material 4-13 AT89STK-09 user guide 7521b?scr?10/05
schematics & b ill of material AT89STK-09 user guide 4-14 7521b?scr?10/05 4.1 bill of material reference part description manufacturer ref c1,c2,c3,c4,c5,c6, c7, c8, c9, c10, c22, c23, c24, c25, c26, c27 33 pf 50v-5% ceramic capacitor c11,c13, c15 100 nf 50v-5% ceramic c14 10f c20,c21 2.2 f c17,c18,c19 470 nf 16v-10%-ceramic c16 4.7 f c12 10 f 16v +/-20% r1,r2 180 kohms 1/16w-5% l1,l2 10 h 10% inductance 300 ma smd murata lqh32cn100k21l or lqh32cn100k11l or lqh32cn100k01l u2 at83c26 vqfp48
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