Port H; Port J - Renesas H8SX/1500 Series Hardware Manual

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.
Module Name Pin Function
I/O port PHn output
PHn input (initial setting)
[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.
Module Name Pin Function
TPU_8 TIOCB8 output
I/O port PJ7 output
PJ7 input (initial setting)
Setting
I/O Port
PHnDDR
1
0
TPU_8
TIOCB8_OE
1
0
0
Rev. 3.00 Mar. 14, 2006 Page 233 of 804
Section 8 I/O Ports
Setting
I/O Port
PJ7DDR

1
0
REJ09B0104-0300