8.2
Port 1
8.2.1
Overview
Port 1 is an 8-bit I/O port. Figure 8-1 shows its pin configuration.
P17/IRQ3/TMIF
P16/IRQ2
P15/IRQ1/TMIC
P14/IRQ4 /ADTRG
Port 1
P13/TMIG
P12/TMOFH
P11/TMOFL
P10/TMOW
Figure 8-1 Port 1 Pin Configuration
Register Configuration and Description
8.2.2
Table 8-2 shows the port 1 register configuration.
Table 8-2 Port 1 Registers
Name
Abbrev.
PDR1
R/W
R/W
W
Initial Value
H'00
Address
H'FFD4
H'FFE4
H'FFE0
H'FFC8
Port data register 1
Port control register 1
Port pull-up control register 1
Port mode register 1
PCR1
H'00
PUCR1
PMR1
R/W
R/W
H'00
H'00
132
ETC [ ETC ]
