Datasheet

Section 9 I/O Ports
Rev. 3.00 Sep. 10, 2007 Page 162 of 528
REJ09B0216-0300
9.8.2 Pin Functions
The correspondence between the register specification and the port functions is shown below.
PB0/AN0 pin
Register ADCSR
Bit Name SCAN CH2 CH1 CH0 Pin Function
0 0 0
1
0
x x
AN0 input pin
Setting Value
Other than above PB0 output pin
[Legend] x: Don't care.
PB1/AN1 pin
Register ADCSR
Bit Name SCAN CH2 CH1 CH0 Pin Function
0 0 1
0 1 1
0
1 x
AN1 input pin Setting Value
Other than above PB1 output pin
[Legend] x: Don't care.
PB2/AN2 pin
Register ADCSR
Bit Name SCAN CH2 CH1 CH0 Pin Function
0 1 0
1
0
1 x
AN2 input pin
Setting Value
Other than above PB2 output pin
[Legend] x: Don't care.