HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 463

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Pin
PF
9.17
9.17.1
Port G is a 5-bit I/O port. Port G pins also function as bus control signal output pins (CS0 to CS3,
and CAS). Enabling or disabling of CS
Figure 9.26 shows the port G pin configuration.
0
/BREQ
Port G
Port G
Overview
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
the operating mode, and bits BRLE and PF0DDR.
Operating
Mode
BRLE
PF0DDR
Pin function
Port G pins
PG
PG
PG
PG
PG
4
3
2
1
0
/ CS
/ CS
/ CS
/ CS
/ CAS
0
1
2
3
Figure 9.26 Port G Pin Functions
input pin
Pin functions in modes 4 to 6
PG
PG
PG
PG
PG
1
to CS
PF
4
3
2
1
0
0
(input) / CS
(I/O) / CS
(I/O) / CS
(I/O) / CS
(I/O) / CAS (output)
0
2
output can be changed by a setting in PFCR2.
0
Modes 4 to 6
output pin
1
2
3
(output)
(output)
(output)
PF
0
1
(output)
Rev.4.00 Sep. 07, 2007 Page 433 of 1210
0
input pin
BREQ
—
1
Pin functions in mode 7
PG
PG
PG
PG
PG
4
3
2
1
0
input pin
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
PF
0
REJ09B0245-0400
0
Mode 7
—
output pin
PF
1
0