
Rev.2.10 Apr 14, 2006 page 126 of 378
REJ09B0124-0210
M16C/6N Group (M16C/6NK, M16C/6NM) 13. Timers
Bit Name
Symbol
TA0MR to TA4MR
Function
Bit Symbol
b7 b6 b5 b4 b3 b2 b1 b0
Operating mode select bits
1 0 : One-shot timer mode
b1 b0
TMOD1
TMOD0
MR0
Pulse output function
select bit
0 : Pulse is not output
(TAiOUT pin functions as I/O port)
1 : Pulse is output
(TAiOUT pin functions as a pulse output pin)
MR2
MR1
MR3
Set to 0 in one-shot timer mode
0 0 : f1 or f2
(3)
0 1 : f8
1 0 : f32
1 1 : fC32
b7 b6
TCK1
TCK0
Count source select bits
100
0 : TAiOS bit is enabled
1 : Selected by bits TAiTGH to TAiTGL
Trigger select bit
External trigger select
bit
(1)
0 : Falling edge of input signal to TAiIN pin
(2)
1 : Rising edge of input signal to TAiIN pin
(2)
NOTES:
1. Effective when bits TAiTGH and TAiTGL in the ONSF or TRGSR register are 00b (TAiIN pin input).
2. The port direction bit for the TAiIN pin is set to 0 (input mode).
3. Selected by the PCLK0 bit in the PCLKR register.
RW
RW
RW
RW
RW
RW
RW
RW
RW
Timer Ai Mode Register (i = 0 to 4)
After Reset
00h
Address
0396h to 039Ah
Figure 13.11 Registers TA0MR to TA4MR in One-shot Timer Mode
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