RX610 Group
14. I/O Ports
R01UH0032EJ0120 Rev.1.20
Page 413 of 1006
Feb 20, 2013
(3) P62/CS2#-A/CS6#-A
The pin function is switched as shown below according to the combination of the EXBE bit in SYSCR0, the register
setting for the bus controller, the port function control register m (PFCRm) setting, and the B2 bit in P6.DDR.
Module Name
Pin Function
Setting
Bus Controller
I/O Port
CS2#-A_OE
CS6#-A_OE
P6.DDR.B2
Bus controller
CS2#-A output
*
1
CS6#-A output
*
1
I/O port
P62 output
0
0
1
P62 input (initial value)
0
0
0
Note:
*
Enabled in expansion mode with on-chip ROM disabled or disabled (SYSCR0.EXBE = 1).
(4) P63/CS3#-A/CS7#-A
The pin function is switched as shown below according to the combination of the EXBE bit in SYSCR0, the register
setting for the bus controller, the port function control register m (PFCRm) setting, and the B3 bit in P6.DDR.
Module Name
Pin Function
Setting
Bus Controller
I/O Port
CS3#-A_OE
CS7#-A_OE
P6.DDR.B3
Bus controller
CS3#-A output
*
1
CS7#-A output
*
1
I/O port
P63 output
0
0
1
P63 input (initial value)
0
0
0
Note:
*
Enabled in expansion mode with on-chip ROM disabled or disabled (SYSCR0.EXBE = 1).
(5) P64/CS4#-B
The pin function is switched as shown below according to the combination of the EXBE bit in SYSCR0, the register
setting for the bus controller, the port function control register m (PFCRm) setting, and the B4 bit in P6.DDR.
Module Name
Pin Function
Setting
Bus Controller
I/O Port
CS4#-B_OE
P6.DDR.B4
Bus controller
CS4
#
-B output
*
1
I/O port
P64 output
0
1
P64 input (initial value)
0
0
Note:
*
Enabled in expansion mode with on-chip ROM disabled or disabled (SYSCR0.EXBE = 1).