Port 1; Overview; Register Configuration And Description - Hitachi H8/3637 Hardware Manual

8.2

Port 1

8.2.1

Overview

Port 1 is an 8-bit I/O port. Figure 8.1 shows its pin configuration.
8.2.2

Register Configuration and Description

Table 8.2 shows the port 1 register configuration.
Table 8.2 Port 1 Registers
Name
Port data register 1
Port control register 1
Port pull-up control register 1
Port mode register 1
Port 1
Figure 8.1 Port 1 Pin Configuration
Abbrev. R/W
PDR1 R/W
PCR1 W
PUCR1 R/W
PMR1 R/W
P1 /IRQ /TMIF
7 3
P1 /IRQ /TMCIY
6 2
P1 /IRQ
5 1
P1 /PWM
4
P1 /TMIG
3
P1 /TMOFH
2
P1 /TMOFL
1
P1 /TMOW
0
Initial Value
H'00
H'00
H'00
H'10
Address
H'FFD4
H'FFE4
H'FF9C
H'FF98
121