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| TX-6B/RX-6B TOY CAR REMOTE CONTROLLER WITH SEVEN FUNCTIONS DESCRIPTION The TX-6B/RX-6B are a pair of CMOS LSIs designed for remote controlled car applications. They have seven control keys controlling the motions (i.e. forward, backward, rightward, leftward, two function keys and the turbo function) of the remote controlled car. The TX-6B is housed in DIP-16 package, and the RX-6B is housed in DIP-18 package. SOP-16 SOP-20 FEATURES * Wide operating voltage range TX-6B: (VDD=2.2~12.0V) RX-6B: (VDD=3.0~12.0V) * Very Low stand-by current for TX-6B * Auto-power-off function for TX-6B * Few external components are needed * Built-in 3.6V zener for RX-6B * 7 functions remote controller controlling: forward, backward, right, left, turbo, and two function keys. DIP-16 DIP-18 ORDERING INFORMATION Device TX-6B RX-6B TX-6BS RX-6BS Package DIP-16-300-2.54 DIP-18-300-2.54 SOP-16-225-1.27 SOP-20-300-1.27 BLOCK DIAGRAM NC TEST 8 OSCI 2 14 Oscillator Timing Generator OSCO 13 11 VDD RIGHT 1 16 6 5 4 Latch Circuit Encoding Circuit Logic LEFT 12 PC 10 SO 7 SC TURBO FORWARD BACKWARD 15 F1 9 F2 3 GND TX-6B/TX-6BS Block Diagram HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 1 of 12 TX-6B/RX-6B BLOCK DIAGRAM (continued) OSCI Oscillator OSCO Decoding Circuit Counter Timing Generator VDD SI AMP VO1 VI1 PLA RIGHT LRTD Control Logic VT Latch Circuit LEFT TURBO BACKWARD FORWARD VI2 VO2 F1 F2 GND RX-6B/RX-6BS Block Diagram ABSOLUTE MAXIMUM RATINGS Characteristics DC Supply Voltage Input/Output Voltage Operating Temperature Storage Temperature COMMENT Never allow a stress to exceed the values listed under "Absolute Maximum Ratings", otherwise the device would suffer from a permanent damage. Nor is a stress at the listed value be allowed to persist over a period, since an extended exposure to the absolute maximum rating condition may also affect the reliability of the device, if not causing a damage thereof. Symbol VDD VIN,VOUT Topr Tstg Value 0.3 ~ 5.0 GND-0.2V ~ VDD+0.2V -10 ~ +60 -25~+125 Unit V V C C ELECTRICAL CHARACTERISTICS TX-6B (VDD=9V, Fosc=128KHz, Tamb=25C, unless otherwise specified.) Characteristics Operating Voltage Operating Current Stand-By Current DC O/P Driving Current(RF) AC O/P Driving Current(IR) AC O/P Frequency Symbol VDD IDD ISTB Idrive Idrive Faudio Min. 2.2 -----Typ. 9.0 -1.0 10.0 6.0 500 Max. 12.0 1.5 1000 ---Unit V mA A mA mA Hz HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 2 of 12 TX-6B/RX-6B RX-6B (VDD=9V, Fosc=128KHz, Tamb=25C, unless otherwise specified.) Characteristics Operating Voltage Operating Current O/P Driving Current O/P Driving Current(F1,F2) Effect Decoding Frequency Variation Symbol VDD IDD Idrive Idf Ftolerance Min. 3.0 -5.0 5.0 -50% Typ. 9.0 30.0 ---Max. 12.0 ---50% Unit V mA mA mA -- PIN CONFIGURATION PIN DESCRIPTION TX-6B/TX-6BS Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol RIGHT TEST GND BACKWARD FORWARD TURBO SC NC F2 SO VDD PC OSCO OSCI F1 LEFT This pin is used for testing mode Negative power supply The backward function will be selected when this pin is connected to GND The forward function will be selected when this pin is connected to GND The turbo function will be selected, if this pin is connected to GND Output pin of the encoding signal with carrier frequency No connect F2 function select Output pin of the encoding signal without carrier frequency Positive power supply Power control output pin Oscillator output pin Oscillator input pin F1 function select The leftward function will be selected when this pin is connected to GND REV:2.1 2005.04.21 Page 3 of 12 Description The rightward function will be selected when this pin is connected to GND HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn TX-6B/RX-6B RX-6B Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 RX-6BS Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol VO2 GND SI OSCI OSCO F1 RIGHT F2 LEFT NC NC VT LRTD BACKWARD FORWARD TURBO VDD VI1 VO1 VI2 Negative power supply Input pin of the encoding signal Oscillator input pin Oscillator output pin F1 function output pin Rightward output pin F2 function output pin Leftward output pin Not connect Not connect Auto Shut-OFF input pin. If VT voltage exceeds 1.4V, all outputs shut off automatically. Left/right turbo disable pin Backward output pin Forward output pin TURBO output pin Positive power supply Inverter 1 input pin for signal amplify Inverter 1 output pin for signal amplify Inverter 2 input pin for signal amplify Description Inverter 2 output pin for signal amplify Symbol VO2 GND SI OSCI OSCO F1 RIGHT F2 LEFT VT LRTD BACKWARD FORWARD TURBO VDD VI1 VO1 VI2 Negative power supply Input pin of the encoding signal Oscillator input pin Oscillator output pin F1 function output pin Rightward output pin F2 function output pin Leftward output pin Auto Shut-OFF input pin. If VT voltage exceeds 1.4V, all outputs shut off automatically. Left/right turbo disable pin Backward output pin Forward output pin TURBO output pin Positive power supply Inverter 1 input pin for signal amplify Inverter 1 output pin for signal amplify Inverter 2 input pin for signal amplify Description Inverter 2 output pin for signal amplify HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 4 of 12 TX-6B/RX-6B FUNCTION DESCRIPTION The TX-6B/RX-6B are a pair of CMOS LSIs designed for remote controlled car applications. The TX-6B/RX-6B have seven control keys controlling the motions (i.e. forward, backward, rightward, leftward, two function keys and the turbo function) of the remote controlled car. 1. OVER-CURRENT PROTECTION An Auto Shut-Off mechanism is built-in according to Toy Safety Requirement and effective during overcurrent situation in motor driver. The active high input applying to this Auto Shut-Off pin will turn off the motor. (VT pin, when unused, has to be connected to ground. The transfer point=1.4V) 2. DATA FORMAT F1="1" 500Hz, 3/4 duty F0="0" 500Hz, 1/4 duty 3. CODING METHOD 3.1 When a trigger pin is triggered, its data code will correspond to the data format of "F1", while the remaining pins will have the data format of "F0". 3.2. Data string: start code + data code +parity code + end code Start code = F1 F1 F1 F1 F0 Data code = F F = Forward L = Left End code = for (latch data) * Data code can be any combination of F,B,T,R,L,F1,F2, except for F&B, R&L. B T R L F1 T = Turbo F2 = Function2 N N F2 R = Right N = No used code B = Backward F1 = Function1 Parity code = for parity check OUTPUT TABLES Function FORWARD LEFT+FORWARD RIGHT+FORWARD TURBO TURBO+FORWARD TURBO+LEFT+ FORWARD TURBO+RIGHT+FORWARD BACKWARD BACKWARD+RIGHT BACKWARD+LEFT H H H H H H (To be continued) H Output Status F H H H H H H H H H H H H B T R L F1 F2 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 5 of 12 TX-6B/RX-6B (Continued) Function TURBO+BACKWARD TRUBO+BACKWARD+RIGHT TURBO+BACKWARD +LEFT LEFT RIGHT FUNCTION1 FORWARD+FUNCTION1 FORWARD+TURBO+FUNC1 TURBO+FUNC1 BACKWARD+FUNC1 BACKWARD+TURBO+FUNC1 LEFT+FORWARD+FUNC1 RIGHT+FORWARD+FUNC1 LEFT+ BACKWARD +FUNC1 RIGHT+ BACKWARD +FUNC1 LEFT+FUNCTION1 RIGHT+FUNCTION1 H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H Output Status F B H H H T H H H H H R L H F1 F2 NOTE: (1) In the table, blank=F0. Rows from "FUNCTION1" to "RIGHT+FUNCTION1" (the last row) are similar for FUNCTION2. Thus, we can see from the table that we have more than 50 states of function combinations from 7 control keys. (2) H = high level. (3) LRTD pin functions as an option pin for LEFT/RIGHT turbo disable. Please refer to the following table. "LRTD" HIGH (OPEN) LOW Key Selected FORWARD+LEFT (RIGHT)+ TURBO FORWARD+LEFT (RIGHT)+ TURBO Output Function FORWARD+LEFT (RIGHT)+ TURBO FORWARD+LEFT (RIGHT) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 6 of 12 TX-6B/RX-6B TESTING CIRCUIT (Fosc for RX-6B 128KHz, Fosc for TX-6B 128KHz) TX-6B output pin (SO) has an inverted phase with RX-6B input (SI). If TX-6B&RX-6B are connected without using a RF module, an inverter has to be inserted between these 2 pins, as shown in the right. 11 VDD SO 10 VDD VDD 15 VDD 3 SI TX-6B RX-6B connect directly RX-6B R6, INDEX VDD 12 9 6 R6 270 180 68 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 7 of 12 TX-6B/RX-6B TYPICAL APPLICATION CIRCUIT Transmitter (TX-6B Fosc128KHz) Receiver (RX-6B Fosc128KHz) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 8 of 12 TX-6B/RX-6B PACKAGE OUTLINE DIP-16-300-2.54 UNIT: mm 6.350.25 DIP-18-300-2.54 3.00MIN 4.36MAX 7.62 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 9 of 12 0.250.05 UNIT: mm TX-6B/RX-6B PACKAGE OUTLINE SOP-16-225-1.27 UNIT: mm SOP-20-300-1.27 UNIT: mm 0.150.05 1.27 12.700.25 0.45 2.25MAX 11.43 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 10 of 12 5.720.25 6.00.4 3.90.3 TX-6B/RX-6B HANDLING MOS DEVICES: Electrostatic charges can exist in many things. All of our MOS devices are internally protected against electrostatic discharge but they can be damaged if the following precautions are not taken: * Persons at a work bench should be earthed via a wrist strap. * Equipment cases should be earthed. * All tools used during assembly, including soldering tools and solder baths, must be earthed. * MOS devices should be packed for dispatch in antistatic/conductive containers. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.1 2005.04.21 Page 11 of 12 |
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