HD64F3644PV Datasheet, PDF (193/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

8.2 Port 1
8.2.1 Overview
Port 1 is a 5-bit I/O port. Figure 8.1 shows its pin configuration.
Section 8 I/O Ports
Port 1
P1 ₇ /IRQ ₃ /TRGV
P1 ₆ /IRQ ₂
P1 ₅ /IRQ ₁
P1 ₄ /PWM
P1 ₀ /TMOW
Figure 8.1 Port 1 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
Abbr.
R/W
Port data register 1
PDR1
R/W
Port control register 1
PCR1
W
Port pull-up control register 1
PUCR1
R/W
Port mode register 1
PMR1
R/W
Initial Value
H'00
H'00
H'00
H'04
Address
H'FFD4
H'FFE4
H'FFED
H'FFFC
Port Data Register 1 (PDR1)
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P17
P16
P15
P14



P10
0
0
0
0
0^*
0^*
0^*
0
R/W
R/W
R/W
R/W



R/W
Note: * Bits 3 to 1 are reserved; they are always read as 0 and cannot be modified.
Rev. 6.00 Sep 12, 2006 page 171 of 526
REJ09B0326-0600