H8SX1653 Datasheet, PDF (421/1018 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 9 I/O Ports
(3) PF2/A18
The pin function is switched as shown below according to the combination of operating mode, the
EXPE bit, port function control register (PFCR), and the PF2DDR bit settings.
MCU
Operating Mode
Module Name
Pin Function
I/O Port
A18_OE
On-chip ROM
Bus controller A18 output

disabled extended
mode
Modes other than
on-chip ROM
disabled extended
mode
Bus controller
I/O port
A18 output* 1
PF2 output
0
PF2 input
0
(initial setting)
Note: * Valid in external extended mode (EXPE = 1)
Setting
I/O Port
PF2DDR


1
0
(4) PF1/A17
The pin function is switched as shown below according to the combination of operating mode, the
EXPE bit, port function control register (PFCR), and the PF1DDR bit settings.
MCU
Operating Mode
Module Name
Pin Function
I/O Port
A17_OE
On-chip ROM
Bus controller A17 output

disabled extended
mode
Modes other than
on-chip ROM
disabled extended
mode
Bus controller
I/O port
A17 output* 1
PF1 output
0
PF1 input
0
(initial setting)
Note: * Valid in external extended mode (EXPE = 1)
Setting
I/O Port
PF1DDR


1
0
Rev.1.00 Sep. 08, 2005 Page 373 of 966
REJ09B0219-0100