Port 9 [Chip-Internal I/O Port]; Overview; Register Configuration And Description - Renesas F-ZTAT H8 Series Hardware Manual

8.7

Port 9 [Chip-Internal I/O port]

Port 9 functions are common to the H8/3857 Group and H8/3854 Group.
8.7.1

Overview

Port 9 is an 8-bit I/O port that interfaces to the on-chip LCD controller. The port 9 pin
configuration is shown in figure 8.6.
Port 9
Note: Dotted lines indicate connections inside the chip.
8.7.2

Register Configuration and Description

Table 8.17 shows the port 9 register configuration.
Table 8.17 Port 9 Registers
Name
Port data register 9
Port control register 9
P9
7
P9
6
P9
5
P9
4
P9
3
P9
2
P9
1
P9
0
Figure 8.6 Port 9 Pin Configuration
Abbr. R/W
PDR9 R/W
PCR9 W
DB
7
DB
6
DB
5
LCD
DB
4
controller
DB
3
DB
2
DB
1
DB
0
Initial Value
H'00
H'00
Rev.3.00 Jul. 19, 2007 page 201 of 532
8. I/O Ports
Address
H'FFDC
H'FFEC
REJ09B0397-0300