Section 8 I/O Ports
Rev. 3.00 Mar. 14, 2006 Page 233 of 804
REJ09B0104-0300
8.2.7 Port
H
(1)
PH7, PH6, PH5, PH4, PH3, PH2, PH1, and PH0
Port H functions as an 8-bit I/O port and also functions as a realtime input port. Using port H as
the realtime input port, the pin status of port H is stored in PHRTIDR by the following triggers
a low level, a falling edge, a rising edge, or both edges of pin
IRQ14
.
The pin function is switched as shown below according to the PHnDDR bit setting.
Setting
I/O
Port
Module Name
Pin Function
PHnDDR
I/O port
PHn output
1
PHn input (initial setting)
0
[Legend]
n = 7 to 0
8.2.8 Port
J
(1)
PJ7/TIOCA8/TIOCB8/TCLKH
The pin function is switched as shown below according to the combination of the port function
control register A (PFCRA), TPU_8, and PJ7DDR bit settings.
Setting
TPU_8 I/O
Port
Module Name
Pin Function
TIOCB8_OE
PJ7DDR
TPU_8 TIOCB8
output 1
I/O port
PJ7 output
0
1
PJ7 input (initial setting) 0
0
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