H8SX1663 Datasheet, PDF (522/1158 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 9 I/O Ports
(5) PF3/A19
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 PF3DDR bit settings.
MCU
Operating Mode
Module Name
Pin Function
I/O Port
A19_OE
On-chip ROM
Bus controller A19 output

disabled extended
mode
Modes other than
on-chip ROM
disabled extended
mode
Bus controller
I/O port
A19 output* 1
PF3 output
0
PF3 input
0
(initial setting)
Note: * Valid in external extended mode (EXPE = 1)
Setting
I/O Port
PF3DDR


1
0
(6) 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
Rev.1.00 Jun. 07, 2006 Page 470 of 1102
REJ09B0294-0100