RX610 Group
14. I/O Ports
R01UH0032EJ0120 Rev.1.20
Page 411 of 1006
Feb 20, 2013
(4) P53/BCLK
The pin function is switched as shown below according to the value of the B3 bit in P5.DDR.
Module Name
Pin Function
Setting
I/O Port
P5.DDR.B3 (BCLK_OE)
Clock generation circuit
BCLK output
1
I/O port
P53 input (initial value)
0
Note: If the BCLK signal is to be output, stop the BCLK clock by setting SCKCR.PSTOP1 to 1, set P5.DDR.B3 to select
output for this pin, and then restore the value of SCKCR.PSTOP1 to 1 for output of the BCLK signal.
(5) P54/TRDATA0
The pin function is switched as shown below according to the combination of the register setting for the B4 bit in
P5.DDR.
Module Name
Pin Function
Setting
I/O Port
P5.DDR.B4
I/O port
P54 output
1
P54 input (initial value)
0
(6) P55/TRDATA1
The pin function is switched as shown below according to the value of the B5 bit in P5.DDR.
Module Name
Pin Function
Setting
I/O Port
P5.DDR.B5
I/O port
P55 output
1
P55 input (initial value)
0
(7) P56/TRDATA2
The pin function is switched as shown below according to the value of the B6 bit in P5.DDR.
Module Name
Pin Function
Setting
I/O Port
P5.DDR.B6
I/O port
P56 output
1
P56 input (initial value)
0
(8) P57/(WAIT#)/TRDATA3
The pin function is switched as shown below according to the value of the B7 bit in P5.DDR.
Module Name
Pin Function
Setting
I/O Port
P5.DDR.B7
I/O port
P57 output
1
P57 input (initial value)
0