HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 289

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

8.12.2
Table 8.21 shows the port G register configuration.
Table 8.21 Port G Registers
Name
Port G data direction register
Port G data register
Port G register
Notes: 1. Value of bits 4 to 0.
272
2. Lower 16 bits of the address.
3. Initial value depends on the mode.
Pin functions in modes 3 and 7 *
PG
PG
PG
PG
PG
Note: * Modes 1 to 3 are not available on the F-ZTAT version.
Register Configuration
Port G
4
3
2
1
0
(I/O)
(I/O)
(I/O)
(I/O)/ IRQ7 (input)
(I/O)/
Modes 2, 3, 6, and 7 are not available on the ROMless version.
ADTRG (input)/ IRQ6 (input)
Port G pins
PG
PG
PG
PG
PG
4
3
2
1
0
/CS0
/CS1
/CS2
/CS3/IRQ7
/ADTRG/IRQ6
Figure 8.24 Port G Pin Functions
Abbreviation
PGDDR
PGDR
PORTG
R/W
W
R/W
R
Pin functions in modes 1 and 2 *
PG
PG
PG
PG
PG
Pin functions in modes 4 to 6 *
PG
PG
PG
PG
PG
4
3
2
1
0
4
3
2
1
0
(I/O)
(I/O)
(I/O)/ IRQ7 (input)
(I/O)/ ADTRG (input)/ IRQ6 (input)
(input)/
(input)/
(input)/
(input)/
(I/O)/
(input)/
ADTRG (input)/ IRQ6 (input)
Initial Value*
H'10/H'00*
H'00
Undefined
CS0
CS1
CS2
CS3
CS0 (output)
(output)
(output)
(output)
(output)/ IRQ7 (input)
3
1
Address*
H'FEBF
H'FF6F
H'FF5F
2