HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 469

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

9.14.3
Port G pins also function as bus control signal output pins (CS
functions are different in mode 7, and modes 4 to 6. Port G pin functions are shown in table 9.27.
Note: * The CAS is not supported in the H8S/2321.
Table 9.27 Port G Pin Functions
Pin
PG
PG
PG
4
3
2
/CS
/CS
/CS
0
1
2
Pin Functions
The pin function is switched as shown below according to the operating mode
and bit PG4DDR.
The pin function is switched as shown below according to the operating mode
and bits PG3DDR and CS167E.
The pin function is switched as shown below according to the operating mode
and bits PG2DDR and CS25E.
Selection Method and Pin Functions
Operating
Mode
PG4DDR
Pin function
Operating
Mode
PG3DDR
CS167E
Pin function
Operating
Mode
PG2DDR
CS25E
Pin function
PG
PG
PG
4
3
2
pin
pin
—
—
0
0
input pin CS
input
input
0
Modes 4 to 6
Modes 4 to 6
Modes 4 to 6
PG
PG
3
2
pin
pin
output
output
0
0
0
Rev.6.00 Sep. 27, 2007 Page 439 of 1268
output pin PG
1
1
1
CS
CS
0
to CS
1
2
pin
pin
output
output
1
1
3
, and CAS * ). The pin
4
input pin PG
0
PG
PG
3
pin
2
pin
Section 9 I/O Ports
—
—
Mode 7
0
0
input
input
REJ09B0220-0600
Mode 7
Mode 7
4
PG
PG
output pin
1
3
2
pin
pin
—
—
output
output
1
1