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H838024 Datasheet(PDF) 244 Page - Renesas Technology Corp

Part # H838024
Description  Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series
PDF  697 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838024 Datasheet(HTML) 244 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 7.00 Mar 10, 2005 page 202 of 652
REJ09B0042-0700
8.3
Port 3
8.3.1
Overview
Port 3 is an 8-bit I/O port, configured as shown in figure 8.2.
P3 /AEVL
P3 /AEVH
P3
7
6
5
Port 3
P3
P3
P3 /TMOFH
4
3
2
P3 /TMOFL
1
P3 /UD
0
Figure 8.2 Port 3 Pin Configuration
8.3.2
Register Configuration and Description
Table 8.5 shows the port 3 register configuration.
Table 8.5
Port 3 Registers
Name
Abbr.
R/W
Initial Value
Address
Port data register 3
PDR3
R/W
H'00
H'FFD6
Port control register 3
PCR3
W
H'00
H'FFE6
Port pull-up control register 3
PUCR3
R/W
H'00
H'FFE1
Port mode register 2
PMR2
R/W
H'D8
H'FFC9
Port mode register 3
PMR3
R/W
—
H'FFCA



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