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Section 8 I/O Ports
• P71/AN1
The pin function is switched as shown below according to the combination of the SCANE and
SCANS bits 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
SCANS
CH2 to CH0
Pin function
AN1 input pin P71 input pin AN1 input pin P71 input pin AN1 input pin P71 input pin
[Legend] X: Don't care.
• P70/AN0
The pin function is switched as shown below according to the combination of the SCANE and
SCANS bits 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
SCANS
CH2 to CH0
Pin function
AN0 input pin
[Legend] X: Don't care.
Rev. 1.00 Mar. 12, 2008 Page 312 of 1178
REJ09B0403-0100
0
X
B'001
Other than
B'001
0
X
B'000
Other than
B'000
P70 input pin
0
B'001 to
Other than
B'011
B'001 to
B'011
0
B'000 to
Other than B'000 to
B'011
B'011
AN0 input pin
P70 input pin
1
1
B'001 to
B'000
B'111
1
1
B'000 to B'111
AN0 input pin
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