H8S-2350 RENESAS [Renesas Technology Corp], H8S-2350 Datasheet - Page 385

• Manufacturer Part Number: H8S-2350
• Description: 16-Bit Single-Chip Microcomputer
• 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 (TxD0, RxD0, SCK0, TxD1,
RxD1, and SCK1). Port 3 pin functions are the same in all operating modes.
Figure 9.3 shows the port 3 pin configuration.
9.4.2
Table 9.6 shows the port 3 register configuration.
Table 9.6
Notes: 1. Lower 16 bits of the address.
Name
Port 3 data direction register
Port 3 data register
Port 3 register
Port 3 open drain control register
2. Value of bits 5 to 0.
Port 3
Overview
Register Configuration
Port 3 Registers
Figure 9.3 Port 3 Pin Functions
Port 3
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)/
SCK1 (I/O)
SCK0 (I/O)
RxD1 (input)
RxD0 (input)
TxD1 (output)
TxD0 (output)
R/W
W
R/W
R
R/W
Rev. 3.00 Sep 15, 2006 page 351 of 988
Initial Value *
H'00
H'00
Undefined
H'00
Section 9 I/O Ports
REJ09B0330-0300
2
Address *
H'FEB2
H'FF62
H'FF52
H'FF76
1