HD64F3644PV Datasheet, PDF (223/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 8 I/O Ports
8.9.4 Pin States
Table 8.25 shows the port 9 pin states in each operating mode.
Table 8.25 Port 9 Pin States
Pins
P94 to P90
Reset
Sleep
High-
Retains
impedance previous
state
Subsleep Standby
Retains
previous
state
High-
impedance
Watch Subactive Active
Retains Functional Functional
previous
state
8.10 Port B
8.10.1 Overview
Port B is an 8-bit input-only port, configured as shown in figure 8.9.
Port B
PB₇ /AN₇
PB₆ /AN₆
PB₅ /AN₅
PB₄ /AN₄
PB₃ /AN₃
PB₂ /AN₂
PB₁ /AN₁
PB₀ /AN₀
Figure 8.9 Port B Pin Configuration
8.10.2 Register Configuration and Description
Table 8.26 shows the port B register configuration.
Table 8.26 Port B Register
Name
Port data register B
Abbr.
R/W
PDRB
R
Address
H'FFDD
Rev. 6.00 Sep 12, 2006 page 201 of 526
REJ09B0326-0600