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MC81F4216D Datasheet(PDF) 81 Page - Finechips

Part No. MC81F4216D
Description  ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  FINECHIPS [Finechips]
Direct Link  http://www.finechips.com
Logo FINECHIPS - Finechips

MC81F4216D Datasheet(HTML) 81 Page - Finechips

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MC81F4x16
October 19, 2009 Ver.1.35
81
PUR1
R1 PORT PULL-UP ENABLE REGISTER
00D6H
Using the PUR1 register, you can configure pull-up resistors to individual R17-R10 pins.
7
6
5
4
3
2
1
0
PUR1
PUR17 PUR16 PUR15 PUR14 PUR13 PUR12 PUR11 PUR10
Reset value: 00H
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PUR17
R17 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR16
R16 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR15
R15 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR14
R14 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR13
R13 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR12
R12 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR11
R11 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
PUR10
R10 Pull-up Resistor Enable Bit
0: Disable pull-up resistor
1: Enable pull-up resistor
R1
R1 PORT DATA REGISTER
00C1H
7
6
5
4
3
2
1
0
R1
R17
R16
R15
R14
R13
R12
R11
R10
Reset value: F8H
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
In input mode, it represents the R1 port status.
In output mode, R1 port represents it.
1: High
0 : Low


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