PD17012_15 Datasheet, PDF (139/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

µPD17012, 17P012
12.4.2 Clock select block
The clock select block selects the basic clock that is used for the operation of the timer/counter.
Two basic clocks can be selected by using the TMCK flag.
Figure 12-16 shows the configuration and function of the 12-bit timer clock select register.
Figure 12-16. Configuration of 12-Bit Timer Clock Select Register
Clock select block
TMCK flag
Count block
TMRES flag
TMRPT flag
TMEN flag
4.5 MHz
Divider
Selector
DBF
TMOVF flag
12
Timer/counter
(TMC)
Set
Overflow
Match
Match detector
IRQTM
set signal
Timer modulo
register (TMM)
12
DBF
Remark R: retained
Data Sheet U10101EJ4V0DS
137