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• P86/ExTIOCA0
When the TIOCA0S bit in PTCNT2 is set to 1, this pin can be used as an ExTIOCA0 pin.
The pin function is switched as shown below according to the combination of the TPU channel
0 settings by the MD3 to MD0 bits in TMDR_0, the IOA3 to IOA0 bits in TIORH_0, and the
CCLR2 to CCLR0 bits in TCR_0, the TIOCA0S bit, and the P86DDR bit.
TIOCA0S
TPU channel 0
setting
P86DDR
Pin function
P86 input pin
TPU channel 0
setting
MD3 to MD0
IOA3 to IOA0
B'0000
B'0100
B'1xxx
CCLR2 to
CCLR0
Output function
[Legend]
x: Don't care
Notes: 1. When TIOCA0S = 1, MD3 to MD0 = B'0000, and IOA3 to IOA0 = B'10xx, this pin
functions as the TIOCA0 input pin.
2. Output is disabled for TIOCB0.
• P85/PWX1
The pin function is switched as shown below according to the combination of the OEB bit in
DACR of the PWMX and the P85DDR bit.
OEB
P85DDR
Pin function
Rev. 1.00, 09/03, page 186 of 704
0
0
1
P86 output pin
(2)
(1)
B'0000
B'0001 to B'0011
B'0101 to B'0111
Output compare
output
0
0
P85 input pin
Table below (2)
0
P86 input pin P86 output pin
ExTIOCA0 input pin*
(2)
(1)
B'001x
B'0010
B'xx00
Other
than
B'xx00
2
PWM*
mode 1
output
1
P85 output pin
1
Table below (1)
1
ExTIOCA0
output pin
1
(1)
(2)
B'0011
Other than B'xx00
Other than
B'001
B'001
PWM
mode 2
output
1
PWX1 output pin
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