Pin States; Port A [Chip-Internal I/O Port]; Overview - Renesas F-ZTAT H8 Series Hardware Manual

8.7.4

Pin States

Table 8.19 shows the port 9 pin states in each operating mode.
Table 8.19 Port 9 Pin States
Pins Reset
P9 to P9 High-
7 0
impedance
8.8

Port A [Chip-Internal I/O port]

Port A functions are common to the H8/3857 Group and H8/3854 Group.
8.8.1

Overview

Port A is a 4-bit I/O port that interfaces to the on-chip LCD controller. The port A pin
configuration is shown in figure 8.7.
Port A
Note: Dotted lines indicate connections inside the chip.
Sleep Subsleep Standby
Retains Retains
previous previous
state state
PA
3
PA
2
PA
1
PA
0
Figure 8.7 Port A Pin Configuration
Watch
High- Retains
impedance previous
state
LCD
RS
controller
R/W
STRB
Rev.3.00 Jul. 19, 2007 page 203 of 532
8. I/O Ports
Subactive Active
Functional Functional
REJ09B0397-0300