G8D-514H-B Receiver, RF Keyless Entry System
Table of contents 1. Constitution of the Radio Frequency Keyless Entry system with Door Lock Controller for vehicle ...................................................................................... 1 2. User’s manual (provisionally) .......................................................................... 2 3. Block diagram ................................................................................................ 3 4. Specification ......................................................
1. Constitution of the Radio Frequency Keyless Entry System with Door Lock Controller for vehicle The radio frequency keyless entry is a system that it controlls locking and unlocking the door by wireless remote controller. This system consists of two components. The TRANSMITTER is a device that transmits the signal when the button is pressed. The transmission signal consists of several synchronous codes, unique identification code, security code and function code. The RECEIVER is fixed inside the vehicle.
2. User’s manual (provisionally) LOCK When you push the LOCK button, all the doors will lock. And output the signal to security unit. You cannot lock any of the doors with the remote transmitter if any door is open or the key is in the ignition switch. UNLOCK When you push the UNLOCK button once, all the door s will unlock. And output the signal to security unit. You cannot unlock any of the doors with the remote transmitter if the key is in the ignition switch.
3. Block diagram This is the block diagram concerning to the receiver. POWER SOURCE(5V) 12V (car battery) EEPROM RECEIVING MODULE data SECURITY 8BIT CPU UNIT output DRIVING CIRCUIT DOORLOCK MOTOR input Signal of vehicle status Figure 3.
4. Specification 4.1 CPU Type M37540 (8bit) Manufacturer: Mitsubishi ROM 16K bytes RAM 512 bytes Clock frequency 5.00MHz Clock frequency generation CERAMIC resonator Package 32pinLQFP 4.2 RF block Local clock frequency 324.55MHz Frequency generation Crystal resonator Modulation Single Superheterodyne Bandwidth ±200KHz Carrier Detect Sensitivity 30 dBuVemf 4.
5. Features 5.1 Integrated controller The controller works both wireless and wired operation. You can use it remotely as the receiver of the keyless entry system. You can operate the door lock remotery using the remote transmitter. It is also avialable to release the boot. When you turn the door lock switch, the controller works as the door lock controller. The controller monitors the switch related to the door lock.
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No PART NAME MANUFACTURE QTY TYPE SPECIFICATION 20 CHIP RESISTOR * 1 RK20CAY22J‑T1 21 CHIP RESISTOR ＊ 1 RK20CAY22KJ‑T1 22 CHIP RESISTOR * 1 RK20CAY2.2KJ‑T1 23 CHIP RESISTOR * 1 RK10CAZ100KJ‑T1 24 CHIP RESISTOR * 3 RK10CAZ2.
No PART NAME MANUFACTURE QTY TYPE SPECIFICATION REMARKS 41 CASE 1 ABS BLACK 42 BASE 1 ABS BLACK 43 CERTIFICATE LABEL AMEMIYA INSATSU 1 HIGH QUALITY PAPER LETTER:BLACK BACK GROUND:PURPLE 44 DIODE HITACHI 1 DSA3A4FM4 45 TRANSISTOR SANYO 1 2SC3651‑OTE‑TD Vceo=100V hfe=800 OR MORE Ic=0.2A,Pc=0.5W TR1 46 TRANSISTOR ROHM 1 DTC143EETL Ic=100mA TR3 47 TRANSISTOR ROHM 1 DTA143EETL Ic=100mA TR4 48 TRANSISTOR SANYO 1 2SC‑3392‑6/7‑TB hfe=RANK6.
