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Section 8 I/O Ports
(2)
Pin Functions
Each pin of port 7 can also be used as the analog input pins of the A/D converter (AN0 to AN7).
• P77/AN7
The pin function is switched as shown below according to the CH2 to CH0 bits in ADCSR of
the A/D converter. Do not set these bits to other values than those shown in the following
table.
CH2 to CH0
Pin function
• P76/AN6
The pin function is switched as shown below according to the combination of the SCANE bit
in ADCR and the CH2 to CH0 bits in ADCSR of the A/D converter. Do not set these bits to
other values than those shown in the following table.
SCANE
CH2 to CH0
Pin function
AN6 input pin
• P75/AN5
The pin function is switched as shown below according to the combination of the SCANE bit
in ADCR and the CH2 to CH0 bits in ADCSR of the A/D converter. Do not set these bits to
other values than those shown in the following table.
SCANE
CH2 to CH0
Pin function
AN5 input pin
Rev. 1.00 Mar. 12, 2008 Page 310 of 1178
REJ09B0403-0100
B'111
AN7 input pin
0
B'110
Other than B'110
P76 input pin
0
B'101
Other than B'101
P75 input pin
Other than B'111
P77 input pin
1
B'110 to B'111
AN6 input pin
1
B'101 to B'111
AN5 input pin
B'000 to B'101
P76 input pin
B'000 to B'100
P75 input pin
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