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Section 8 I/O Ports
• P65/ExIRQ10/RTS
The pin function is switched as shown below according to the combination of the
enable/disable setting of the SCIF and the P65DDR bit.
When the ISS10 bit in ISSR16 is set to 1, this pin can be used as the ExIRQ10 input pin. To
use as the ExIRQ10 input pin, clear the P65DDR bit to 0.
SCIF
P65DDR
Pin function
[Legend] X: Don't care.
• P64/ExIRQ11/CTS
The pin function is switched as shown below according to the combination of the
enable/disable setting of the SCIF and the P64DDR bit.
When the ISS10 bit in ISSR16 is set to 1, this pin can be used as the ExIRQ11 input pin. To
use as the ExIRQ11 input pin, clear the P64DDR bit to 0.
SCIF
P64DDR
Pin function
[Legend] X: Don't care.
• P63/PWX3
The pin function is switched as shown below according to the combination of the OEB bit in
DACR and the PWMXS bit in PTCNT0 of PWMX_1 and the P63DDR bit.
P63DDR
PWMXS
OEB
Pin function
[Legend] X: Don't care.
Rev. 1.00 Mar. 12, 2008 Page 306 of 1178
REJ09B0403-0100
Disabled
0
P65 input pin
IRQ10 input pin
Disabled
0
P64 input pin
IRQ11 input pin
0
0
1
0
X
P63 input pin
1
P65 output pin
1
P64 output pin
1
0
1
0
X
P63 output pin
Enabled
X
RTS output pin
Enabled
X
CTS input pin
X
0
1
PWX3 output pin
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