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UPSD3422 Datasheet(PDF) 73 Page - STMicroelectronics

Part # UPSD3422
Description  Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
PDF  293 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3422 Datasheet(HTML) 73 Page - STMicroelectronics

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uPSD34xx
I/O ports of mcu module
73/293
Table 27.
P1: I/O port 1 register (SFR 90h, reset value FFh)
Note:
1
Write '1' or '0' for pin output. Read for pin input, but prior to READ, this bit must have been
set to '1' by firmware or by a reset event.
Table 28.
P3: I/O Port 3 Register (SFR B0h, reset value FFh)
Note:
1
Write '1' or '0' for pin output. Read for pin input, but prior to READ, this bit must have been
set to '1' by firmware or by a reset event.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
Bit
Symbol
R/W
Function(1)
7
P1.7
R,W
Port pin 1.7
6
P1.6
R,W
Port pin 1.6
5
P1.5
R,W
Port pin 1.5
4
P1.4
R,W
Port pin 1.4
3
P1.3
R,W
Port pin 1.3
2
P1.2
R,W
Port pin 1.2
1
P1.1
R,W
Port pin 1.1
0
P1.0
R,W
Port pin 1.0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
Bit
Symbol
R/W
Function(1)
7
P3.7
R,W
Port pin 3.7
6
P3.6
R,W
Port pin 3.6
5
P3.5
R,W
Port pin 3.5
4
P3.4
R,W
Port pin 3.4
3
P3.3
R,W
Port pin 3.3
2
P3.2
R,W
Port pin 3.2
1
P3.1
R,W
Port pin 3.1
0
P3.0
R,W
Port pin 3.0



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