UPSD3354DV-40U6 Datasheet, PDF (81/272 Pages) STMicroelectronics – fast 8032 MCU with programmable logic

UPSD33xx
I/O ports of MCU module
Table 35.
Bit 7
P3.7
P3: I/O Port 3 register (SFR B0h, reset value FFh)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
P3.6
P3.5
P3.4
P3.3
P3.2
Bit 1
P3.1
Bit 0
P3.0
Table 36. P3 register bit definition
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
t(s _{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}
c _{firmware or by a reset event.}
rodu ^{Table 37.}
P _{Bit 7}
te _P4.7
P4: I/O Port 4 register (SFR C0h, reset value FFh)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
P4.6
P4.5
P4.4
P4.3
P4.2
Bit 1
P4.1
Bit 0
P4.0
sole _{Table 38. P4 register bit definition}
Ob ^Bit
Symbol
R/W
Function⁽¹⁾
- ₇
P4.7
R,W Port pin 4.7
t(s) ⁶
P4.6
R,W Port pin 4.6
c ₅
P4.5
R,W Port pin 4.5
du 4
P4.4
R,W Port pin 4.4
ro ₃
P4.3
R,W Port pin 4.3
P ₂
P4.2
R,W Port pin 4.2
te₁
P4.1
R,W Port pin 4.1
ole 0
P4.0
R,W Port pin 4.0
bs ^{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}
O ^{firmware or by a reset event.}
Doc ID 9685 Rev 7
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