TX-2B/RX-2B pair CMOS LSIs designed remote controlled applications. TX
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REMOTE CONTROLLER WITH FIVE FUNCTIONS
TX-2B/RX-2B pair CMOS LSIs designed remote controlled applications. TX-2B/RX-2B five control keys controlling motions (i.e. forward, backward, rightward, leftward turbo function remote controlled car.
TX-2B/RX-2B
DIP-14 TX-2B
FEATURES
Wide operating voltage range (VCC=1.5~5.0V) stand-by current Auto-power-off function TX-2B external components needed
RX-2B
DIP-16
ORDERING INFORMATION
Part
TX-2B RX-2B
Package
DIP-14-300-2.54 DIP-16-300-2.54
BLOCK DIAGRAM
FOSC TEST
OSCI
Oscillator Timing Generator
OSCO
RIGHT
LEFT
Latch Circuit Encoding Circuit Logic
TURBO
FORWARD
BACKWARD
TRANSMITTER TX-2B Block Diagram
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
BLOCK DIAGRAM
OSCI
TX-2B/RX-2B
Oscillator
Timing Generator
OSCO
Decoding Circuit Computer
Control Logic
RIGHT LEFT
Latch Circuit
TURBO BACKWARD FORWARD
RECEIVER RX-2B Block Diagram
CONFIGURATION
RIGHT TEST ACKWARD FORWARD TURBO LEFT FOSC OSCI OSCO OSCI OSCO RIGHT LEFT TURBO FORWARD BACKWARD
TX-2B
RX-2B
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage Input Output Voltage Operating Temperature Storage Temperature
TX-2B/RX-2B
Symbol
VIN, VOUT TOPR Tstg
Value
0.3~5.0 GND-0.3~VDD+0.3 -10~65 -25~125
Unit
ELECTRICAL CHARACTERISTICS
TX-2B (VDD=4.0V, Fosc=128KHz, Tamb =25°C, unless otherwise specified.)
Characteristic
Operating Voltage Operating Current Stand-By Current Driving Current Driving Current Frequency
Symbol
ISTB Idrive Idrive Faudio
-1.0
Unit
RX-2B (VDD=4.0V,Fosc=128KHz, Tamb=25°C, unless otherwise specified.) characteristic
Operating Voltage Operating Current Driving Current Sinking Current Effect Decoding Frequency Variation
Symbol
Idrive Isink Ftolerance
Unit
TX-2B
Symbol
RIGHT TEST BACKWARD FORWARD
Description
rightward function will selected, this connected This used testing mode Negative power supply backward function will selected, this connected forward function will selected, this connected continued)
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
(Continued)
TX-2B/RX-2B
Description
Symbol
TURBO OSCO OSCI FOSC LEFT
turbo function will selected this connected Output encoding signal with carrier frequency Output encoding signal without carrier frequency Positive power supply Power control output Oscillator output Oscillator input This used testing mode leftward function will selected, this connected
RX-2B
Symbol
OSCI OSCO RIGHT LEFT BACKWARD FORWARD TURBO Negative power supply Input encoding signal Oscillator input Oscillator output Rightward output Leftward output
Description
Inverter output power amplify
Rightward function disable, this connected Leftward function disable, this connected Backward output Forward output TURBO output Positive power supply Inverter input power amplify Inverter output power amplify Inverter input power amplify
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
CODE FORMAT
ENCODE RULE
(A).Bit Format used function codes,W2 start codes)
1KHz
TX-2B/RX-2B
1KHz Duty cycle
500Hz Duty cycle
(B).Date Format
n-th
start code
function code word
Number Function Code
Function
Forward Forward Turbo Turbo Turbo Forward Left Turbo Forward Right Backward Backward Right Backward Left Left Right
Decode Result
Code Forward Forward Turbo Forward Left Forward Right Backward Backward Right Backward Left Left Right
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
ENCODE/DECODE TIMING
TX-2B/RX-2B
function Encode output
word
word
word
code
Decode output
Decode output
T=17ms+(nW1)x1ms
TESTING CIRCUIT
(The oscillator frequency TX-2B, RX-2B 128KHz, oscillator resistor 160K 250K respectively)
forward turbo fosc=128kHz backward right
VCC=3V
TX-2B
backward forward turbo
RX-2B
right
left
fosc=128kHz
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
left
TYPICAL APPLICATION CIRCUIT
TRANSMITTER
TX-2B/RX-2B
TX-2B
backward forward turbo
RECEIVER
left
right
R.F. CIRCUIT
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
4.3V
Rosc=500k
R.F. CIRCUIT
power switch
RX-2B
500k
INFRARED APPLICATION CIRCUIT
TRANSMITTER
DC:3V
TX-2B/RX-2B
Photo Diode
TX-2B
Backw Frontwar
Turbo
RECEIVER
RX-2B
1815
fosc=114KHz
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
DC:5V
Right
Left
C8050
100K
1~4.7
Receiver
fosc=114kHz
RECOMMENDED APPLICATION CIRCUIT
TX-2B/RX-2B
VDD=9V
Rosc=160K
220k
TX-2B
151P
TURBO
0.3mm 5mm(Core)
C945 203P 3.0V
151P
102P
203P
104P 3.3k
3.9MO 203P
3.3k
222P
3.9M
Rosc=250K
RX-2B
right
turbo
forward
left
backward
C945
C945
473P
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
501P
103P
/16V
/16V
/16V
104P VDD2
C945 C945
473P
C945
R1,R2,R3,R4=80~150 ,are changeable with VDD1 VDD2.
180k
3.3k
3.0V
0.3mm 5mm(Core)
VDD1=12V,R=330 VDD1=9V,R=220
1N4148
C9018,C1815,C380,C382 Q2,Q3,Q4: 5610,C8550,B772 Q5,Q6: C8050,5609,D882 Q7,Q8: B564,C8550,B772 Q9,Q10: D471,C8050,D882
203P
103P
VDD1
C945
XTAL 27MHz
203P
1.5k
PACKAGE OUTLINE
TX-2B/RX-2B
UNIT:
2.54 0.05
DIP-14-300-2.54
6.35
1.52
7.62
0.5MIN
DIP-16-300-2.54
2.54
0.25
6.35
19.55
1.52
7.62
degree
0.5MIN
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2002.03.29
0.99
0.46
0.08
1.27MAX
3.00MIN
4.36MAX
0.25
0.05
0.46
0.08
2.40MAX
3.00MIN
4.36MAX
19.55
degree
0.25
UNIT:
0.25
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