UPD17227 查看數據表（PDF） - NEC => Renesas Technology

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UPD17227

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

NEC => Renesas Technology 

µPD17225, 17226, 17227, 17228

3

2

1

0

WDTRES BTMCK BTMRES

0

Address

RF : 03H

On reset

0H

R/W

R/WNote

BTMRES Basic Interval Timer Reset

0

Data read out is always "0"

1

Writing "1" resets basic interval timer

BTMCK

0

1

Basic Interval Timer Mode Selection

Generates interrupt signal IRQBTM every fX/220

Generates interrupt signal IRQBTM every fX/218

Note Bits 1 and 3 are write-only bits.

WDTRES Watchdog Timer Reset

0

Data read out is always "0"

1

Writing "1" resets watchdog timer (fX/221 counter)

38

Data Sheet U12643EJ2V0DS00

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