HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 278

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 I/O Ports
8.6
8.6.1
Port 5 is a 4-bit I/O port. Port 5 pins also function as SCI I/O pins (TxD2, RxD2, and SCK2). Port
5 pin functions are the same in all operating modes. Figure 8.5 shows the port 5 pin configuration.
8.6.2
Table 8.9 shows the port 5 register configuration.
Table 8.9
Name
Port 5 data direction register
Port 5 data register
Port 5 register
Notes: 1. Value of bits 3 to 0.
Rev.3.00 Mar. 26, 2007 Page 236 of 772
REJ09B0355-0300
2. Lower 16 bits of the address.
Port 5
Overview
Register Configuration
Port 5 Registers
Figure 8.5 Port 5 Pin Functions
Port 5
Abbreviation
P5DDR
P5DR
PORT5
Port 5 pins
P5
P5
P5
P5
3
2
1
0
(I/O)
(I/O)/
(I/O)/
(I/O)/
R/W
W
R/W
R
SCK2
RxD2
TxD2
(I/O)
(input)
(output)
Initial Value*
H'0
H'0
Undefined
1
H'FEB4
Address*
H'FF64
H'FF54
2