M16C6S_09 Datasheet, PDF (90/208 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
11 1
Symbol
TA0MR to TA4MR
Address
After reset
039616 to 039A16
0016
Bit symbol
TMOD0
TMOD1
MR0
MR1
Bit name
Function
RW
Operation mode
select bit
b1 b0
1 1 : PWM mode
RW
(Note 1) RW
Must be set to “1” in PWM mode
RW
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
MR2
Trigger select bit
0 : TAiOS bit is enabled
RW
1 : Selected by TAiTGH to TAiTGL bits
MR3
TCK0
TCK1
16/8-bit PWM mode
select bit
0: Functions as a 16-bit pulse width modulator
1: Functions as an 8-bit pulse width modulator
RW
b7 b6
Count source select bit _{0 0 : f1 or f2}
RW
0 1 : f8
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 1.12.10. TAiMR Register in PWM Mode
Rev.5.01 Dec 10, 2009 page 90 of 201
REJ03B0014-0501