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UPSD3422 Datasheet(PDF) 82 Page - STMicroelectronics

Part # UPSD3422
Description  Turbo Plus series Fast Turbo 8032 MCU with USB and programmable logic
PDF  300 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3422 Datasheet(HTML) 82 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
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Obsolete
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- Obsolete
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I/O ports of mcu module
UPSD3422, UPSD3433, UPSD3434, UPSD3454
82/300
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
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 37.
P3: I/O port 3 register (SFR B0h, reset value FFh)
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
Table 38.
P3 register bit definition
Bit
Symbol
R/W
Function(1)
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.
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
Table 39.
P4: I/O port 4 register (SFR C0h, reset value FFh)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P4.7
P4.6
P4.5
P4.4
P4.3
P4.2
P4.1
P4.0
Table 40.
P4 register bit definition
Bit
Symbol
R/W
Function(1)
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.
7
P4.7
R,W
Port pin 4.7
6
P4.6
R,W
Port pin 4.6
5
P4.5
R,W
Port pin 4.5
4
P4.4
R,W
Port pin 4.4
3
P4.3
R,W
Port pin 4.3
2
P4.2
R,W
Port pin 4.2
1
P4.1
R,W
Port pin 4.1
0
P4.0
R,W
Port pin 4.0
Table 36.
P1 register bit definition (continued)
Bit
Symbol
R/W
Function(1)
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