HD6412350 Hitachi, HD6412350 Datasheet - Page 361

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

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
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.
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
Initial Value*
H'00
H'00
Undefined
H'00
2
Address*
H'FEB2
H'FF62
H'FF52
H'FF76
1
341