Renesas H8S Series Hardware Manual page 296

Port Description
Port F • 8-bit I/O
port
Port G • 5-bit I/O
port
Notes: 1. After a reset in mode 6
2. After a reset in mode 4 or 5
3. In ROMless version, only modes 4 and 5 are available.
4. Applies to the on-chip ROM version only.
Rev.6.00 Oct.28.2004 page 268 of 1016
REJ09B0138-0600H
Pins
PF /ø
7
PF /AS
6
PF /RD
5
PF /HWR
4
PF /LWR
3
PF /LCAS/WAIT/BREQO
2
PF /BACK
1
PF /BREQ
0
PG /CS0
4
PG /CS1
3
PG /CS2
2
PG /CS3
1
PG /CAS
0
3 3
Mode 4* Mode 5*
When DDR = 0: input port
When DDR = 1 (after reset): ø output
AS, RD, HWR, LWR output
When WAITE = 0 and BREQOE = 0 (after
reset): I/O port
When WAITE = 1 and BREQOE = 0: WAIT
input
When WAITE = 0 and BREQOE = 1:
BREQO output
When RMTS2 to RMTS0= B'001 to B'011,
CW2= 0, and LCASS= 0: LCAS output
When BRLE = 0 (after reset): I/O port
When BRLE = 1: BREQ input, BACK output
1
When DDR = 0* : input port
2 : CS0 output
When DDR = 1*
When DDR = 0 (after reset): input port
When DDR = 1: CS1, CS2, CS3 output
DRAM space set: CAS output
Otherwise (after reset): I/O port
Mode 6 Mode 7
When DDR =
0 (after reset):
input port
When DDR =
1: ø output
I/O port
I/O port