HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 277
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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8.10
8.10.1
Port E is an 8-bit I/O port. Port E has a data bus I/O function, and the pin functions change
according to the operating mode and whether 8-bit or 16-bit bus mode is selected.
Port E has a built-in MOS input pull-up function that can be controlled by software.
Figure 8.20 shows the port E pin configuration.
260
Port E
Overview
Port E
Note: * Modes 1 to 3 are not available on the F-ZTAT version.
Modes 2, 3, 6, and 7 are not available on the ROMless version.
Port E pins
PE
PE
PE
PE
PE
PE
PE
PE
7
6
5
4
3
2
1
0
/ D
/ D
/ D
/ D
/ D
/ D
/ D
/ D
7
6
5
4
3
2
1
0
Figure 8.20 Port E Pin Functions
Pin functions in modes 1, 2, 4, 5, and 6 *
PE
PE
PE
PE
PE
PE
PE
PE
Pin functions in modes 3 and 7 *
PE
PE
PE
PE
PE
PE
PE
PE
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)/
(I/O)/
(I/O)/
(I/O)/
(I/O)/
(I/O)/
(I/O)/
(I/O)/
D
D
D
D
D
D
D
D
7
6
5
4
3
2
1
0
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
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