Document
Rato
RT6588
DESCRIPTION:
RT6588 IS A REMOTE CONTROL ENCODER AND DECODER PAIRED WITH RT6688 UTILIZING CMOS TECHNOLOGY. RT6588 HAS 12 BITS OF TRI-STATE ADDRESS PINS PROVIDING A MAXIMUM OF 531,441 ADDRESS CODES
FEATURES :
1. CMOS TECHNOLOGY. 2. LOW STANDBY CURRENT <1 A. 3. OPERATING VOLTAGE 3-15V. 4. UP TO 12 TRI-STATE CODE ADDRESS PINS. 5. UP TO 6 DATA ADDRESS PINS. 6. BUILD IN OSCILLATOR.
APPLICATIONS :
1. CAR AND MOTORCYCLE SECURITY SYSTEMS. 2. WIRELESS DOOR BELL. 3. HOME AUTOMATION SYSTEM.
A020530-V1.0
1
DECODER
Rato
PIN ASSIGNMENT :
RT6588
A020530-V1.0
2
DECODER
Rato
RT6588
PIN DESCRIPTION :
PIN NO. 18PIN 20PIN
1~6 1~6
7~8 7~8 10~13 12~15
14 16
15 17 16 18 17 19 18 20 99
PIN Name
DESCRIPTION
A0~A5
A6/D5~A7/D4 A8/D3~A11/D0
TEB OSCO OSCI
TD VCC GND
CODE ADDRESS INPUT PIN, EACH PIN CAN SET TO 3 STATE “0”, ”1” OR “F”(floating). CAN BE SET TO CODE ADDRESS INPUT PIN OR DATA INPUT PIN. WHEN CODE ADDRESS SET TO BE INPUT PIN, EACH PIN CAN SET TO 3 STATE “0”, “1” OR “F” (floating). WHEN DATA INPUT IS SET, EACH CAN BE SET TO “0” OR “1” STATE. TRANSMISSION ENABLE. WHEN THE SIGNAL FROM HIGH VOLTAGE TO LOW VOLTAGE, TD WILL TRANSMIT SERIAL OF DATA OUTPUT. OSCILLATOR OUTPUT PIN. OSCILLATOR INPUT PIN. SERIAL DATA OUTPUT PIN. POSITIVE POWER SUPPLY. NEGATIVE POWER SUPPLY.
I/O I
I
I O I O
FUNCTIONAL DESCRIPTION :
WHEN TEB IS SET TO “0” (LOW VOLTAGE STAGE), RT6588 WILL TRANSMIT SERIAL OF DATA WAVEFORM THROUGH A0~A5, A6/D5~A11/D0, WAVEFORM TRANSMITTED THROUGH RADIO FREQUENCY (RF) MODULATION AND RECEIVED BY RF DEMODULATION AND RESHAPED TO SPECIAL WAVEFORM, RT6688 IS THEN DECODE THE SPECIAL WAVEFORM AND SET THE CORRESPONDING OUTPUT PINS. THUS COMPLETE A REMOTE CONTROL ENCODING AND DECODING FUNCTION. THIS CAN BE USE IN MOST OF THE REMOTE CONTROL APPLICATION.
A020530-V1.0
3
DECODER
Rato
RT6588
DATA TRANSMITTION FORMAT
CODE Frame
A COMPLETE CODE FRAME CONSIST OF 4 SERIAL DATA OF CODE WORDS. WHEN TEB IS SET TO “0” (LOW VOLTAGE STAGE),TD WILL TRANSMIT SERIAL OF DATA OUTPUT. FORMAT IS AS FOLLOW :
CODE Word
CODE WORD CONSIST OF FULL SET OF SERIAL DATA FORMAT, THE COMBINATION IS AS FOLLOW :
6 ADDRESS BIT 6 ADD or DATA BIT SYNCHRONOUS BIT
EACH CODE WORD CONSIST OF 12 ADDRESS BITS OR 6 ADDRESS BIT AND 6 DATA BITS, THE TRANSMITION SEQUENCE IS AS THE DIAGRAM SHOWN :
A0
A1
A2
A3
A4
A5
A6/ D5
A7/ D4
A8/ D3
A9/ D2
A10/ D1
A11/ D0
Sync
6 Data A0 A1 A2 A3 A4 A5 D5 D4 D3 D2 D1 D0 Sync 5 Data A0 A1 A2 A3 A4 A5 A6 D4 D3 D2 D1 D0 Sync 4 Data A0 A1 A2 A3 A4 A5 A6 A7 D3 D2 D1 D0 Sync 3 Data A0 A1 A2 A3 A4 A5 A6 A7 A8 D2 D1 D0 Sync 2 Data A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 D1 D0 Sync 1 Data A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 D0 Sync No Data A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 Sync
A020530-V1.0
4
DECODER
Rato
RT6588
CODE BIT
CODE BIT IS THE COMBINATION OF ADDRESS AND DATA BITS. RT6588 TRANSMIT A SERIAL OF WAVE FORM IS CONSIST OF CODE BITS AND SYNC, CODE BIT CAN BE DEFINE INTO 3 STATE: Logic Low(“0”), Logic High(“1”), Floating state, EACH LENGTH OF CODE BIT IS EQUAL TO 32 OSCILLATION PULSE, PLEASE REFER TO THE DIAGRAM SHOWN BELOW :
SYNC BIT EACH SYNC BIT LENGTH IS EQUAL TO 128 OSCILLATION PULSE.
A020530-V1.0
5
DECODER
Rato
Absolute Maximum Ratings
Symbol
Parameter
VCC Supply voltage
VI Input voltage
VO Output voltage
Pdis Max. power dissipation
TOP Operating Temperature
TSt Storage Temperature
Condition VCC=12V
Rating -0.3~16 -0.3~Vcc+0.3 -0.3~Vcc+0.3
300 -20 70 -40 125
RT6588
Unit V V V
mW
DC Electrical Characteristics
Symbol
Parameter
VCC Supply Voltage
Isb Stand By Current
IOH Output Driving Current
IOL Output Sinking Current
Condition
VCC=12V VCC=12V VOH=6V VCC=12V VOL=6V
Min. 3
10 9
Typ.
Max. 15 1
Unit V A
A
A
A020530-V1.0
6
DECODER
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