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H8/3003 数据表(PDF) 265 Page - Renesas Technology Corp

部件名 H8/3003
功能描述  microcontroller (MCU)
PDF  715 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8/3003 数据表(HTML) 265 Page - Renesas Technology Corp

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Port 5 Data Register (P5DR): P5DR is an 8-bit readable/writable register that stores data for pins
P57 to P54.
When a bit in P5DDR is set to 1, if port 5 is read the value of the corresponding P5DR bit is
returned directly, regardless of the actual state of the pin. When a bit in P5DDR is cleared to 0, if
port 5 is read the corresponding pin level is read.
Bits P53 to P50 are reserved. They can be written and read, but they cannot be used for port input
or output.
P5DR is initialized to H'00 by a reset and in hardware standby mode. In software standby mode it
retains its previous setting.
Port 5 Input Pull-Up Control Register (P5PCR): P5PCR is an 8-bit readable/writable register
that controls the MOS input pull-up transistors in port 5.
In modes 1 and 2, when a P5DDR bit is cleared to 0 (selecting generic input), if the corresponding
bit from P57PCR to P54PCR is set to 1, the input pull-up transistor is turned on.
Bits P53PCR to P50PCR are reserved. They can be written and read, but they do not control input
pull-up transistors.
P5PCR is initialized to H'00 by a reset and in hardware standby mode. In software standby mode
it retains its previous setting.
Bit
Initial value
Read/Write
7
P5
0
R/W
7
6
P5
0
R/W
6
5
P5
0
R/W
5
4
P5
0
R/W
4
3
P5
0
R/W
3
2
P5
0
R/W
2
1
P5
0
R/W
1
0
P5
0
R/W
0
Port 5 data 7 to 4
These bits store data
for port 5 pins
Reserved bits
Bit
Initial value
Read/Write
7
P5 PCR
0
R/W
7
6
P5 PCR
0
R/W
6
5
P5 PCR
0
R/W
5
4
P5 PCR
0
R/W
4
3
P5 PCR
0
R/W
3
2
P5 PCR
0
R/W
2
1
P5 PCR
0
R/W
1
0
P5 PCR
0
R/W
0
Port 5 input pull-up control 7 to 4
These bits control input pull-up
transistors built into port 5
Reserved bits
247



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