HD6473837H Datasheet, PDF (162/562 Pages) Renesas Technology Corp – Hardware Manual

8.4 Port 3
8.4.1 Overview
Port 3 is an 8-bit I/O port, configured as shown in figure 8.3.
Port 3
P3 ₇ /CS
P3 ₆ /STRB
P3₅/SO ₂
P3₄/SI ₂
P3₃/SCK ₂
P3 ₂ /SO ₁
P3 ₁ /SI₁
P3 ₀ /SCK₁
Figure 8.3 Port 3 Pin Configuration
8.4.2 Register Configuration and Description
Table 8.8 shows the port 3 register configuration.
Table 8.8 Port 3 Registers
Name
Abbrev.
R/W
Port data register 3
PDR3
R/W
Port control register 3
PCR3
W
Port pull-up control register 3
PUCR3
R/W
Port mode register 3
PMR3
R/W
Initial Value
H'00
H'00
H'00
H'00
Address
H'FFD6
H'FFE6
H'FFE1
H'FFCA
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