HD6432621 Hitachi, HD6432621 Datasheet - Page 312

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

9.9
9.9.1
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 9-8 shows the port E pin configuration.
268
Port E
Overview
Port E
Port E pins
PE7/D7
PE6/D6
PE5/D5
PE4/D4
PE3/D3
PE2/D2
PE1/D1
PE0/D0
Figure 9-8 Port E Pin Functions
Pin functions in modes 4 to 6
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
Pin functions in mode 7
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
(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) /
D7
D6
D5
D4
D3
D2
D1
D0
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)