Datasheet
Section 8 I/O Ports
Rev. 2.00 Aug. 20, 2008 Page 229 of 1198
REJ09B0403-0200
• P73/AN3
The pin function is switched as shown below according to the combination of the SCANE and
SCANE 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 0 1
SCANS X 0 1
CH2 to CH0 B'011 Other than
B'011
B'011 Other than
B'011
B'011 to B'111 B'000 to B'010
Pin function AN3 input pin P73 input pin AN3 input pin P73 input pin AN3 input pin P73 input pin
[Legend] X: Don't care.
• P72/AN2
The pin function is switched as shown below according to the combination of the SCANE and
SCANE 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 0 1
SCANS X 0 1
CH2 to CH0 B'010 Other than
B'010
B'010 to B'011 Other than
B'010 to B'011
B'010 to B'111 B'000 to
B'001
Pin function AN2 input pin P72 input pin AN2 input pin P72 input pin AN2 input pin P72 input pin
[Legend] X: Don't care.
• 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 0 1
SCANS X 0 1
CH2 to CH0 B'001 Other than
B'001
B'001 to
B'011
Other than
B'001 to
B'011
B'001 to
B'111
B'000
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.










