M16C29 Datasheet, PDF (137/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
12. Timer A
Timer Ai Mode Register (i=0 to 4)
b7 b6 b5 b4 b3 b2 b1 b0
0
10
Symbol
TA0MR to TA4MR
Address
After Reset
39616 to 039A16 0016
Bit Symbol
Bit Name
Function
RW
TMOD0
TMOD1
Operation mode select bit
b1 b0
1 0: One-shot timer mode
RW
RW
MR0
Pulse output function
select bit
0: Pulse is not output (TAiOUT pin functions
as I/O port)
RW
1: Pulse is output (TAiOUT pin functions as a
pulse output pin)
MR1
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⁾
RW
MR2 Trigger select bit
0: TAiOS bit is enabled
1: Selected by bits TAiTGH to TAiTGL
RW
MR3 Set to 0 in one-shot timer mode
RW
b7 b6
TCK0
0 0: f1 or f2
RW
Count source select bit
0 1: f8
TCK1
1 0: f32
RW
1 1: fC32
NOTES:
1. Effective when bits TAiTGH and TAiTGL in the ONSF or TRGSR register are 002 (TAiIN pin input).
2. The port direction bit for the TAiIN pin must be set to 0 (input mode).
Figure 12.11 TAiMR Register in One-shot Timer Mode
Rev. 1.12 Mar.30, 2007 ^{page 113} of 458
REJ09B0101-0112