Datasheet
12. Timer A
puorG92/C61M
page 113
854fo7002,03.raM21.1.veR
2110-1010B90JER
Figure 12.11 TAiMR Register in One-shot Timer Mode
 Bit Name 
Timer Ai Mode Register (i=0 to 4)
Symbol
Address
 After Reset
 TA0MR to TA4MR  396
16
 to 039A
16 
00
16
Function 
Bit Symbol
b7 b6 b5 b4 b3 b2 b1 b0
Operation mode select bit
1 0: One-shot timer mode
b1 b0 
TMOD1
TMOD0
MR0
MR2
MR1
MR3 Set to 0 in one-shot timer mode
TCK1
TCK0
Count source select bit
100
Trigger select bit
External trigger select bit 
(1)
RW
RW
RW
RW
RW
RW
RW
RW
RW
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 TAi
IN pin must be set to 0 (input mode).
0: Pulse is not output (TA
iOUT
 pin functions 
as I/O port)
1: Pulse is output (TAi
OUT
 pin functions as a 
pulse output pin)
0: TAiOS bit is enabled
1: Selected by bits TAiTGH to TAiTGL
0: Falling edge of input signal to TAiIN pin
(2)
1: Rising edge of input signal to TAiIN pin 
(2)
Pulse output function 
select bit
b7 b6 
0 0: f
1 
or f
2
0 1: f
8
1 0: f
32
1 1: f
C32










