M16C6S_09 Datasheet, PDF (88/208 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6S Group
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
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 (Note 1)
RW
(TAiOUT pin functions as a pulse output pin)
External trigger select
bit (Note 2)
0 : Falling edge of input signal to TAiIN pin (Note 3)
1 : Rising edge of input signal to TAiIN pin (Note 3) ^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}
0 0 : f1 or f2
RW
0 1 : f8
TCK1
1 0 : f32
1 1 : Do not set
RW
Note 1: TA0OUT pin is N-channel open drain output.
Note 2: Effective when the TAiGH and TAiGL bits of ONSF or TRGSR register are ‘00 2’ (TAi IN pin input).
Note 3: The port direction bit for the TAi IN pin must be set to “0” (= input mode).
There are not TA2IN and TA3IN.
Figure 1.12.9. TAiMR Register in One-shot Timer Mode
Rev.5.01 Dec 10, 2009 page 88 of 201
REJ03B0014-0501