RX610 Group
14. I/O Ports
R01UH0032EJ0120 Rev.1.20
Page 424 of 1006
Feb 20, 2013
(7) PA6/A6/PO22/TIOCA8
The pin function is switched as shown below according to the combination of the EXBE bit in SYSCR0, the rgister
settings for the PPG and TPU, and the B6 bit in PA.DDR.
Module Name
Pin Function
Setting
Bus Controller
TPU
PPG
I/O Port
A6_OE
TIOCA8_OE
PO22_OE
PA.DDR.B6
Bus controller
Address output
*
1
1
TPU
TIOCA8 output
0
1
PPG
PO22 output
0
0
1
I/O port
PA6 output
*
0
0
0
1
PA6 input (initial value) 0
0
0
0
Note:
*
Address output is enabled when PA.DDR.B6 = 1 in expansion mode with on-chip ROM disabled or disabled
(SYSCR0.EXBE = 1).
(8) PA7/A7/PO23/(TIOCA8)/TIOCB8/(TCLKH)
The pin function is switched as shown below according to the combination of the EXBE bit in SYSCR0, the rgister
settings for the PPG and TPU, and the B7 bit in PA.DDR.
Module Name
Pin Function
Setting
Bus Controller
TPU
PPG
I/O Port
A7_OE
TIOCB8_OE
PO23_OE
PA.DDR.B7
Bus controller
Address output
*
1
1
TPU
TIOCB8 output
0
1
PPG
PO23 output
0
0
1
I/O port
PA7 output
*
0
0
0
1
PA7 input (initial value)
0
0
0
0
Note:
*
Address output is enabled when PA.DDR.B7 = 1 in expansion mode with on-chip ROM disabled or disabled
(SYSCR0.EXBE = 1).