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Section 8 I/O Ports
8.2.7
Port B
(1)
PB3/CS3/CS7-A
The pin function is switched as shown below according to the combination of port function control
register (PFCR) and the PB3DDR bit settings.
Module Name
Pin Function
CS3 output
Bus controller
CS7-A output
I/O port
PB3 output
PB3 input
(initial setting)
(2)
PB2/CS2-A/CS6-A
The pin function is switched as shown below according to the combination of port function control
register (PFCR) and the PB2DDR bit settings.
Module Name
Pin Function
CS2-A output
Bus controller
CS6-A output
I/O port
PB2 output
PB2 input
(initial setting)
Rev.2.00 Jun. 28, 2007 Page 280 of 666
REJ09B0311-0200
CS3_OE
CS7A_OE
1
1
0
0
0
0
CS2A_OE
CS6A_OE
1
1
0
0
0
0
Setting
I/O Port
PB3DDR
1
0
Setting
I/O Port
PB2DDR
1
0
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