HD6433935 Hitachi, HD6433935 Datasheet - Page 160

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

8.4
8.4.1
Port 3 is an 8-bit I/O port, configured as shown in figure 8-3.
8.4.2
Table 8-8 shows the port 3 register configuration.
Table 8-8
Name
Port data register 3
Port control register 3
Port pull-up control register 3
Port mode register 3
148
Port 3
Overview
Register Configuration and Description
Port 3 Registers
Figure 8-3 Port 3 Pin Configuration
Port 3
Abbrev.
PDR3
PCR3
PUCR3
PMR3
R/W
R/W
W
R/W
R/W
P3
P3
P3 /TXD
P3 /RXD
P3 /SCK
P3 /RESO
P3 /UD
P3
7
6
5
4
3
2
1
0
Initial Value
H'00
H'00
H'00
H'04
31
31
31
Address
H'FFD6
H'FFE6
H'FFE1
H'FFCA