HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 386

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

9.4
9.4.1
Port 3 is a 6-bit I/O port. Port 3 pins also function as SCI I/O pins (TxD
RxD
Figure 9.3 shows the port 3 pin configuration.
9.4.2
Table 9.6 shows the port 3 register configuration.
Table 9.6
Name
Port 3 data direction register
Port 3 data register
Port 3 register
Port 3 open drain control register
Notes: 1. Lower 16 bits of the address.
Rev.4.00 Sep. 07, 2007 Page 356 of 1210
REJ09B0245-0400
1
, and SCK
2. Value of bits 5 to 0.
Port 3
Overview
Register Configuration
Port 3 Registers
1
). Port 3 pin functions are the same in all operating modes.
Port 3
Figure 9.3 Port 3 Pin Functions
Abbreviation
P3DDR
P3DR
PORT3
P3ODR
Port 3 pins
P3
P3
P3
P3
P3
P3
5
4
3
2
1
0
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
(I/O) /
R/W
W
R/W
R
R/W
SCK
SCK
RxD
RxD
TxD
TxD
1
0
1
0
1
0
(output)
(output)
(input)
(input)
(I/O)
(I/O)
H'00
Undefined
H'00
Initial Value *
H'00
0
, RxD
0,
SCK
2
H'FF62
H'FF52
Address *
H'FEB2
H'FF76
0
, TxD
1
,
1