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UPD17231 Datasheet(PDF) 37 Page - Renesas Technology Corp

Part # UPD17231
Description  MOS INTEGRATED CIRCUIT
PDF  94 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD17231 Datasheet(HTML) 37 Page - Renesas Technology Corp

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Data Sheet U14360EJ1V0DS00
µPD17230, 17231, 17232, 17233, 17234, 17235, 17236
35
3.10 Specifying Pull-up Resistor Connection
Whether or not a pull-up resistor is connected to port P0E can be specified by the following registers of the register
file in 1-bit unitsNote.
32
10
P0EBPU3 P0EBPU2
P0EBPU1 P0EBPU0
Address
RF : 17H
P0EBPU0
On reset
0H
R/W
R/W
0
1
Connects Pull-Up Resistor to P0E0
P0EBPU1
0
1
P0EBPU2
0
1
P0EBPU3
0
1
Not connected
Connected
Connects Pull-Up Resistor to P0E1
Not connected
Connected
Connects Pull-Up Resistor to P0E2
Not connected
Connected
Connects Pull-Up Resistor to P0E3
Not connected
Connected
Note
To disconnect the pull-up resistor in the output mode, clear the corresponding bit of the P0EBPU register.



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