UPD17217CT-XXX View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD17217CT-XXX

4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

NEC => Renesas Technology 

µPD17215, 17216, 17217, 17218

Fig. 5-1 Configuration of 8-bit Timer and Remote Controller Carrier Generator Circuit

Data buffer

Internal bus

RF : 33H

TMEN TMRES TMCK1 TMCK0

8-bit timer

f X/32

f X /64

f X /256

Selector

RQ

S

8-bit modulo register

TMM

Comparator

8-bit counter

TMC

IRQTM

SW

f X /2

7-bit counter

Comparator

bit 7

×

7-bit modulo register

NRZLTMM

Remote controller carrier generator circuit

RF : 11H

NRZBF

RF : 12H

NRZ

7-bit counter

bit 7

0

fixed

Comparator

7-bit modulo register

NRZHTMM

Remark:

30

TMM, TMC, NRZLTMM, and NRZHTMM are peripheral registers.

REM

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