PD17225_15 Datasheet, PDF (40/86 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

µPD17225, 17226, 17227, 17228
3
2
1
0
WDTRES BTMCK BTMRES
0
Address
RF : 03H
On reset
0H
R/W
R/W^Note
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