Omron Automotive Electronics Korea OKA-322R RF Keyless Entry System (Receiver) User Manual NF BCM 07MY OKA 322R 2 1

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Document ID	833261
Application ID	NELqHi8T+ecEzFHEoamwxA==
Document Description	User manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	27.71kB (346374 bits)
Date Submitted	2007-08-23 00:00:00
Date Available	2007-08-23 00:00:00
Creation Date	2007-08-22 20:38:42
Producing Software	Acrobat Distiller 7.0 (Windows)
Document Lastmod	2007-08-22 20:40:23
Document Title	Microsoft Word - NF_BCM 07MY OKA-322R _2-1_.doc
Document Creator	PScript5.dll Version 5.2.2
Document Author:	james_kwon

OMRON
AUTOMOTIVE
ELECTRONICS
KOREA
OKA- 322R
Receiver, RF Keyless Entry System
FCC Operation Statement
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference
(2) This device must accept any interference received, including
interference that may cause undesired operation.
FCC Compliance Statement
Caution !
Table of contents
1.
Constitution of the Radio Frequency Keyless Entry system Controller
for vehicle .....………………………………………………………………………………..1
2.
User's manual (provisionally) .....................................................................2
3.
Block diagram ...........................................................................................3
4.
Specification .............................……………………………………………………….4
4.1 CPU ………………………………………………………………………………………….4
4.2 EEPROM …………………………………………………………………………………….4
4.3 RF Receiver Module ………………………………………………………………………4
4.4 Other ………………………………………………………………………………………. 4
5.
Features .................................................................................…………..…..5
5.1 Door lock control
5.2 Battery saving
6. Derivatives ....................................................................................
7.
8.
9.
10.
PCB .........................................................................................
7.1
Circuit diagram ………………………………………………………………………….6
7.2
Parts layout ………………………………………………………………………… 7-10
7.3
Parts list ……………………………………………………………………………… 11-12
7.4
Connector ……………………………………………………………………………….13
7.5
Photographs …………………………………………………………………………..14-15
RF Module ............................................................………………..
16
8.1
Block diagram …………………………………………………………………………..16
8.2
Circuit diagram ………………………………………………………………………….17
8.3
Parts Layout ……………………………………………………………………………18-19
8.4
Part list ……………………………………………………………………………………21
Sticker
................................................................................
22
Antenna ...........................................................................…….
23
1. Constitution of the Radio Frequency Keyless Entry
System for vehicle
The radio frequency keyless entry is a system that it controls locking and unlocking the door and the
trunk and the panic by wireless remote controller. This system consists of three 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 and crc code. The RECEIVER is
fixed inside the vehicle. It works intermittently to prevent the battery exhaustion. When the receiver detects the
synchronous code, it runs continuously to receive the signals completely. After receiving the signal, the receiver
decides which operation will be performed.
The user can select the following operations by pressing the button of the remote transmitter.
OPERATION
ACTION
LOCK
lock the door
UNLOCK
unlock the door
TRUNK
open the trunk
PANIC
alarm the horn
Transmitter
f = 313.85MHz
-1-
2. User's manual (provisionally)
REMOTE TRANSMITTER
You can lock and unlock your vehicle with the remote transmitter.
LOCK
When you push the LOCK button, all the doors will lock.
You cannot lock any of the doors with the remote transmitter if any door is open or the key is the ignition switch.
UNLOCK
When you push the UNLOCK button, all the doors will unlock.
You cannot unlock any of the doors with the remote transmitter if any door is open or the key is in the ignition
switch.
TRUNK
When you push continuously the TRUNK button during 0.5s, TRUNK will open.
PANIC
When you push the PANIC button, horn will alarm.
-2-
3. Block diagram
This is block diagram concerning to the receiver
-3-
4. Specification
4.1 CPU
Type
MB90F867(16bit)
Manufacturer : FUJITSU
ROM
128KByte
RAM
6KByte
Clock frequency
4MHz
Clock frequency generation
Crystal resonator
Package
100pin QFP
4.2 EEPROM
Type
S-93C56XXX
Manufacturer: Seiko. Elec
Memory
2Kbit
Package
8pin SOP
4.3 RF Receive Module
Type
Local clock frequency
Frequency generation
Modulation Scheme
Bandwidth
Carrier Detect Sensitivity
G8X-21RXIAM
Manufacturer: OMRON IIDA
313.85MHz
Crystal resonator
FM(superheterodyne)
±200 KHz
11dBuVemf
4.4 Others
Dimension
Weigh
Battery
Operation Voltage, Current
140mm× 113mm × 32mm
268g
CAR Battery(DC 12V)
DC12V,50mA (5.5mA on standby)
-40℃ ∼ +80℃
-4-
5.Features
5.1 Door lock control
The LOCK relay in the receiver drives
the door lock actulators to "LOCK"-side when LOCK button of
transmitter was pressed. The UNLOCK relay in the receiver drives
5.2
Battery saving
To prevent the battery exhaustion , the micro-computer of the transmitter is usually inactive. When the button
will be pressed, the micro-computer wakes up immediately and judges which button is pressing. Then the
micro-computer constructs the transmission frame and radiates it from the antenna .After transmitting, the
micro-computer switches stand-by mode by itself.
6. Derivatives
OKA-322R is an integrated controller for a car body control, includes the keyless entry receiver.
The integrated. controller consists of the multiple control functions as follows, centralized door lock,
turn-signal lamp, room-lamp, intermitted wiper, power window timer, ignition key illumination,
warning buzzer and so on.
-5-

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