M16C26A Datasheet, PDF (121/352 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/26A Group (M16C/26A, M16C/26B, M16C/26T)
12. Timer
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
TMOD0
TMOD1
MR0
MR1
MR2
Bit name
Function
RW
Operation mode select bit ^{b1 b0}
RW
1 0 : One-shot timer mode
RW
Pulse output function
select bit
0 : Pulse is not output
(TAiOUT pin functions as I/O port)
1 : Pulse is output
RW
(TAiOUT pin functions as a pulse output pin)
External trigger select
0 : Falling edge of input signal to TAi IN pin ⁽²⁾
bit (1)
1 : Rising edge of input signal to TAi IN pin ⁽²⁾
RW
Trigger select bit
0 : TAiOS bit is enabled
1 : Selected by TAiTGH to TAiTGL bits
RW
MR3
Must be set to “0” in one-shot timer mode
RW
TCK0
Count source select bit ^{b7 b6}
RW
0 0 : f1 or f2
0 1 : f8
TCK1
1 0 : f32
RW
1 1 : fC32
NOTES:
1. Effective when the TAiTGH and TAiTGL bits 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 12.1.3.1. TAiMR Register in One-shot Timer Mode
Rev. 2.00 Feb.15, 2007 ^{page 104} of 329
REJ09B0202-0200