UPSD3234AV-24U1T STMicroelectronics, UPSD3234AV-24U1T Datasheet - Page 10

• Manufacturer Part Number: UPSD3234AV-24U1T
• Description: Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
• Manufacturer: STMicroelectronics

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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Table 2. 80-Pin Package Pin Description
10/170
Port Pin
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P4.0
P4.1
P4.2
P4.3
DDC V
DDC SDA
DDC SCL
EXINT0
EXINT1
Signal
PWM0
Name
ADC0
ADC1
ADC2
ADC3
SDA1
RxD1
RxD0
SCL1
TxD1
TxD0
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
TX2
A10
A11
T2
A8
A9
T0
T1
SYNC
Pin No.
36
37
38
39
41
43
45
47
52
54
56
58
59
60
61
64
51
53
55
57
75
77
79
40
42
44
46
33
31
30
27
2
In/Out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
External Bus
Multiplexed Address/Data bus A1/D1
Multiplexed Address/Data bus A0/D0
Multiplexed Address/Data bus A2/D2
Multiplexed Address/Data bus A3/D3
Multiplexed Address/Data bus A4/D4
Multiplexed Address/Data bus A5/D5
Multiplexed Address/Data bus A6/D6
Multiplexed Address/Data bus A7/D7
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
External Bus, Address A8
External Bus, Address A9
External Bus, Address A10
External Bus, Address A11
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
Basic
Function
Timer 2 Count input
Timer 2 Trigger input
2nd UART Receive
2nd UART Transmit
ADC Channel 0 input
ADC Channel 1 input
ADC Channel 2 input
ADC Channel 3 input
UART Receive
UART Transmit
Interrupt 0 input / Timer 0 gate
control
Interrupt 1 input / Timer 1 gate
control
Counter 0 input
Counter 1 input
I
I
8-bit Pulse Width Modulation
output 0
2
2
C Bus serial data I/O
C Bus clock I/O
Alternate