HD6433802H Datasheet, PDF (151/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

8.2 Port 3
8.2.1 Overview
Port 3 is a 7-bit I/O port, configured as shown in figure 8.1.
Port 3
P3 ₇ /AEVL
P3 ₆ /AEVH
P3 ₅
P3 ₄
P3 ₃
P3 ₂ /TMOFH
P3 ₁ /TMOFL
Figure 8.1 Port 3 Pin Configuration
8.2.2 Register Configuration and Description
Table 8.2 shows the port 3 register configuration.
Table 8.2 Port 3 Registers
Name
Port data register 3
Port control register 3
Port pull-up control register 3
Port mode register 3
Port mode register 2
Abbrev.
PDR3
PCR3
PUCR3
PMR3
PMR2
R/W
Initial Value Address
R/W
—
H'FFD6
W
—
H'FFE6
R/W
—
H'FFE1
R/W
—
H'FFCA
R/W
—
H'FFC9
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