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4.

 Specification

 

 

 

4.1 CPU 

TYPE 

M301N2F8T-FP 

   

 

   

Manufacture : Renesas 

Memory type 

Flash memory 

ROM (bytes) 

64K 

RAM (bytes) 

3K 

Operating voltage (V) 

4.2 to 5.5 

Operating temperature (°C) 

-45 to 85 

Operating frequency (MHz) 

16 

Timer (ch) 

16bit x 1 8bit x 4 

DMAC (ch) 

Serial I/O 

Clock Sync./UART x 2 

A/D converter 

10bit x (12 + 2) ch 

D/A converter 

8bit x 1 

External Interrupts (sources) 

CRC Operation Circuit 

Watchdog Timer 

Avl. 

CAN (ch) 

Special function 

CAN SIO Sub clock Serial I/F 

Remarks 

Automobile 

 
 
 
4.2 EEPROM 

 

Local clock frequency 

315 MHz 

Frequency generation 

Crystal resonator 

Modulation 

Single Superheterodyne 

Bandwidth 

±

200KHz 

Sensitivity 

30dBuV 

 

 

Summary of Contents for OKA-450R

Page 1: ...OKA 450R P N 96486309 P N 96486310 Receiver Tire Pressure Monitoring System...

Page 2: ...ed in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipm...

Page 3: ...ssure Monitoring System for vehicle 2 2 User s manual provisionally 3 3 Block diagram 4 4 Specification 5 5 Features 6 6 PCB 6 1 Parts layout front 7 6 2 Pattern layout front 8 6 3 Parts list 10 7 Con...

Page 4: ...the receiver detects the synchronous code and IG is ON it runs continuously to receive the signals completely If the received code is normal the system will not inform the user As shown below in the...

Page 5: ...ck to the nearest car dealer as soon as possible Whenever the tires and wheels are replaced with new ones Tire inflation pressure sensors must be fitted on the new wheels and their ID codes must be pr...

Page 6: ...ock diagram concerning to the receiver 10 178125 MHz 8 MHz Figure 3 1 block diagram of the receiver 16BIT CPU RECEIVING MODULE EEPROM POWER SOURCE 5V data OUTPUT CIRCUIT input output Signal of vehicle...

Page 7: ...er ch 16bit x 1 8bit x 4 DMAC ch Serial I O Clock Sync UART x 2 A D converter 10bit x 12 2 ch D A converter 8bit x 1 External Interrupts sources 8 CRC Operation Circuit Watchdog Timer Avl CAN ch 1 Spe...

Page 8: ...20mA Operation temperature 30 85 5 Features Battery saving The receiver works intermittently to reduce the battery consumption The microcomupter embedded on the receiver controlls the power supply for...

Page 9: ...8 6 Connector This is the pin assignment of the connector Figure 6 4 1 the shape of the connector Figure 6 4 2 This is the pin assignment of the connector...

Page 10: ...g with the OKA 210T model which send the data when Tire Pressure is less than 210 kPa the part number 96486309 is assigned 96486310 When OKA 450R Receiver is using with the OKA 220T model which send t...

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