Datasheet

Section 8 I/O Ports
Rev. 2.00 Sep. 28, 2009 Page 227 of 870
REJ09B0429-0200
8.10.2 Port A Output Data Register (PAODR)
PAODR stores output data for the port A pins.
Bit Bit Name Initial Value R/W Description
7 PA7ODR 0 R/W
6 PA6ODR 0 R/W
5 PA5ODR 0 R/W
4 PA4ODR 0 R/W
3 PA3ODR 0 R/W
2 PA2ODR 0 R/W
1 PA1ODR 0 R/W
PAODR stores output data for the port A pins that are
used as the general output port.
0 PA0ODR 0 R/W
8.10.3 Port A Input Data Register (PAPIN)
PAPIN indicates the states of the port A pins.
Bit Bit Name Initial Value R/W Description
7 PA7PIN Undefined* R
6 PA6PIN Undefined* R
5 PA5PIN Undefined* R
4 PA4PIN Undefined* R
3 PA3PIN Undefined* R
2 PA2PIN Undefined* R
1 PA1PIN Undefined* R
Pin states are read from this register.
As the address of this register is the same as that of
PADDR, writing to this register changes the settings
of port A, that have been written to PADDR.
0 PA0PIN Undefined* R
Note: The initial values are determined in accordance with the pin states of PA7 to PA0.