R01UH0136EJ0210 Rev.2.10
Page 260 of 800
Jul 31, 2012
M16C/64A Group
17. Timer A
17.2.6
Timer A Output Waveform Change Enable Register (TAOW)
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).
b7 b6 b5 b4
b1
b2
b3
Symbol
TAOW
Address
01D8h
Reset Value
XXX0 X00Xb
b0
Function
Bit Symbol
Bit Name
RW
Timer A Output Waveform Change Enable Register
No register bits. If necessary, set to 0. The read value is undefined.
RW
—
TA4OW
—
(b3)
Timer A4 output waveform
change enable bit
Timer A1 output waveform
change enable bit
TA1OW
RW
Timer A2 output waveform
change enable bit
RW
TA2OW
—
(b0)
—
—
—
(b7-b5)
0 : Change disabled
1 : Change enabled
0 : Change disabled
1 : Change enabled
0 : Change disabled
1 : Change enabled
No register bit. If necessary, set to 0. The read value is undefined.
No register bit. If necessary, set to 0. The read value is undefined.
Summary of Contents for M16C/60 Series
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