HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 423

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

9.11
9.11.1
Port A is an 8-bit I/O port. Port A pins also function as address bus outputs. The pin functions
change according to the operating mode. The address output or port output function can be
selected by means of bits A23E to A20E in PFCR1.
Port A has a built-in MOS input pull-up function that can be controlled by software. Pins PA
PA
Figure 9.10 shows the port A pin configuration.
4
are Schmitt-triggered inputs.
Port A
Overview
Pin functions in mode 6
PA
PA
PA
PA
PA
PA
PA
PA
Port A
7
6
5
4
3
2
1
0
(I/O) / A
(I/O) / A
(I/O) / A
(I/O) / A
(input) / A
(input) / A
(input) / A
(input) / A
23
22
21
20
19
18
17
16
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
Port A pins
PA
PA
PA
PA
PA
PA
PA
PA
Figure 9.10 Port A Pin Functions
7
6
5
4
3
2
1
0
/ A
/ A
/ A
/ A
/ A
/ A
/ A
/ A
23
22
21
20
19
18
17
16
Rev.4.00 Sep. 07, 2007 Page 393 of 1210
Pin functions in modes 4 and 5
PA
PA
PA
PA
A
A
A
A
Pin functions in mode 7
PA
PA
PA
PA
PA
PA
PA
PA
19
18
17
16
7
6
5
4
7
6
5
4
3
2
1
0
(output)
(output)
(output)
(output)
(I/O) / A
(I/O) / A
(I/O) / A
(output) / A
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
(I/O)
23
22
21
(output)
(output)
(output)
20
(output)
REJ09B0245-0400
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to