RX610 Group
14. I/O Ports
R01UH0032EJ0120 Rev.1.20
Page 422 of 1006
Feb 20, 2013
(3) PA2/A2/PO18/TIOCC6/(TCLKE)
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 B2 bit in PA.DDR.
Module Name
Pin Function
Setting
Bus Controller
TPU
PPG
I/O Port
A2_OE
TIOCC6_OE
PO18_OE
PA.DDR.B2
Bus controller
Address output
*
1
1
TPU
TIOCC6 output
0
1
PPG
PO18 output
0
0
1
I/O port
PA2 output
*
0
0
0
1
PA2 input (initial value) 0
0
0
0
Note:
*
Address output is enabled when PA.DDR.B2 = 1 in expansion mode with on-chip ROM disabled or disabled
(SYSCR0.EXBE = 1).
(4) PA3/A3/PO19/(TIOCC6)/TIOCD6/(TCLKF)
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 B3 bit in PA.DDR.
Module Name
Pin Function
Setting
Bus Controller
TPU
PPG
I/O Port
A3_OE
TIOCD6_OE
PO19_OE
PA.DDR.B3
Bus controller
Address output
*
1
1
TPU
TIOCD6 output
0
1
PPG
PO19 output
0
0
1
I/O port
PA3 output
*
0
0
0
1
PA3 input (initial value) 0
0
0
0
Note:
*
Address output is enabled when PA.DDR.B3 = 1 in expansion mode with on-chip ROM disabled or disabled
(SYSCR0.EXBE = 1).