Renesas M16C/50 Series User Manual page 276

M16C/5L Group, M16C/56 Group
15.2.7 Timer A Output Waveform Change Enable Register (TAOW)
Timer A Output Waveform Change Enable Register
b7 b6 b5 b4 b3 b2 b1
The TAOW register is enabled in programmable output mode.
To change cycles or width of the output waveform, follow the instructions below.
(1)
Set the TAiOW bit to 0 (output waveform change disabled). (i = 1, 2, 4)
(2)
Write to the TAi register and/or the TAi1 register.
(3)
Set the TAiOW bit to 1 (output waveform change enabled).
The updated value is reloaded when the TAiOW bit is 1 (output waveform change enabled) at one cycle
before the rising edge of the TAiOUT output (the falling edge when the POFSi bit is 1). The value before
the update is reloaded when the TAiOW bit is 0 (output waveform change disabled).
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Symbol
b0
TAOW
Bit Symbol Bit Name
—
No register bit. If necessary, set to 0. The read value is undefined.
(b0)
Timer A1 output waveform
TA1OW
change enable bit
Timer A2 output waveform
TA2OW
change enable bit
—
No register bit. If necessary, set to 0. The read value is undefined.
(b3)
Timer A4 output waveform
TA4OW
change enable bit
—
No register bits. If necessary, set to 0. The read value is undefined.
(b7-b5)
Address
01D8h
Function
0 : Change disabled
1 : Change enabled
0 : Change disabled
1 : Change enabled
0 : Change disabled
1 : Change enabled
15. Timer A
Reset Value
XXX0 X00Xb
RW
—
RW
RW
—
RW
—
Page 239 of 803