Port 3 (H8/3857 Group Only); Overview; Register Configuration And Description - Renesas F-ZTAT H8 Series Hardware Manual

8.4

Port 3 (H8/3857 Group Only)

Port 3 is a function of the H8/3857 Group only, and is not provided in the H8/3854 Group.
8.4.1

Overview

Port 3 is an 8-bit I/O port, configured as shown in figure 8.3.
8.4.2

Register Configuration and Description

Table 8.8 shows the port 3 register configuration.
Table 8.8 Port 3 Registers
Name
Port data register 3
Port control register 3
Port pull-up control register 3
Port mode register 3
Port 3
Figure 8.3 Port 3 Pin Configuration
Abbr. R/W
PDR3 R/W
PCR3 W
PUCR3 R/W
PMR3 R/W
P3
7
P3
6
P3
5
P3
4
P3
3
P3 /SO
2 1
P3 /SI
1 1
P3 /SCK
0 1
Initial Value
H'00
H'00
H'00
H'00
Rev.3.00 Jul. 19, 2007 page 189 of 532
8. I/O Ports
Address
H'FFD6
H'FFE6
H'FFE1
H'FFCA
REJ09B0397-0300