Chapter 8
8-bit Timer
VIII - 12 Control Registers
■ External Prescaler Control Register 0 (TMEXPSC8 : 0x0000A19C) [8,16-bit Access Register]
..
When the count clock source is set to TMnI0 pin input or IOCLK/128, select TMnI0 pin input by the
TMnCLK[2-0] flag of the timer mode register TMnMD.
..
bp 76543210
Flag - TM16IN TM14IN TM6IN TM4IN TM2IN TM0IN EX
PSCNE
At reset 00000000
Access R R/WR/WR/WR/WR/WR/WR/W
bp Flag Description Set condition
7-- -
6TM16IN
Timer 16 count clock source selection 0: Can not be used
1: IOCLK/128
5TM14IN
Timer 14count clock source selection 0: Can not be used
1: IOCLK/128
4TM6IN
Timer 6 count clock source selection 0: Can not be used
1: IOCLK/128
3TM4IN
Timer 4 count clock source selection 0: TM4IO pin input
1: IOCLK/128
2TM2IN
Timer 2 count clock source selection 0: TM2IO pin input
1: IOCLK/128
1TM0IN
Timer 0 count clock source selection 0: Can not be used
1: IOCLK/128
0 EXPSCNE
Prescaler (1/128) operation enable 0: Operation disabled
1: Operation enabled
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