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H838024 Datasheet(PDF) 257 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) 257 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 7.00 Mar 10, 2005 page 215 of 652
REJ09B0042-0700
Port Pull-Up Control Register 5 (PUCR5)
Bit
Initial value
Read/Write
7
PUCR5
0
R/W
6
PUCR5
0
R/W
5
PUCR5
0
R/W
4
PUCR5
0
R/W
3
PUCR5
0
R/W
0
PUCR5
0
R/W
2
PUCR5
0
R/W
1
PUCR5
0
R/W
76
5
4
3
2
1
0
PUCR5 controls whether the MOS pull-up of each of port 5 pins P57 to P50 is on or off. When a
PCR5 bit is cleared to 0, setting the corresponding PUCR5 bit to 1 turns on the MOS pull-up for
the corresponding pin, while clearing the bit to 0 turns off the MOS pull-up.
Upon reset, PUCR5 is initialized to H'00.
Port Mode Register 5 (PMR5)
Bit
7
65
43
21
0
WKP7
WKP6
WKP5
WKP4
WKP3
WKP2
WKP1
WKP0
Initial value
0
0
0
0
0
0
0
0
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PMR5 is an 8-bit read/write register, controlling the selection of pin functions for port 5 pins.
Upon reset, PMR5 is initialized to H'00.
Bit n—P5n/
WKP
n/SEGn+1 Pin Function Switch (WKPn)
When pin P5n/
WKPn/SEGn+1 is not used as SEG
n+1, these bits select whether the pin is used as
P5n or
WKP
n.
Bit n
WKPn
Description
0
Functions as P5n I/O pin
(initial value)
1
Functions as
WKP
n input pin
(n = 7 to 0)
Note:
For use as SEGn+1, see section 13.2.1, LCD Port Control Register (LPCR).



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