UPSD33XX Datasheet, PDF (11/231 Pages) STMicroelectronics – Fast 8032 MCU with Programmable Logic

uPSD33xx
Port Pin
P3.5
P3.6
Signal
Name
C1
80-Pin
No.
52-Pin
No.⁽¹⁾
In/Out
Basic
42
28
I/O General I/O port pin
SDA
44
29
I/O General I/O port pin
P3.7
SCL
46
30
I/O General I/O port pin
P4.0
T2
TCM0
33
22
I/O General I/O port pin
P4.1
T2X
TCM1
31
21
I/O General I/O port pin
P4.2
RXD1
TCM2
30
20
I/O General I/O port pin
P4.3
TXD1
PCACLK0
27
18
I/O General I/O port pin
P4.4
SPICLK
TCM3
25
17
I/O General I/O port pin
P4.5
SPIRXD
TCM4
23
16
I/O General I/O port pin
P4.6
SPITXD 19
15
I/O General I/O port pin
P4.7
SPISEL
PCACLK1
18
14
I/O General I/O port pin
V_REF
70 N/A
I
Reference Voltage
input for ADC
RD
65
N/A
O
READ Signal,
external bus
WR
62
N/A
O
WRITE Signal,
external bus
PSEN
63
N/A
O
PSEN Signal,
external bus
ALE
4
N/A
O
Address Latch
signal, external bus
RESET_IN
68
44
I
Active low reset
input
XTAL1
48
31
I
Oscillator input pin
for system clock
XTAL2
49
32
O
Oscillator output pin
for system clock
DEBUG
8
5
I/O
I/O to the MCU
Debug Unit
PA0
35 N/A I/O General I/O port pin
PA1
34 N/A I/O General I/O port pin
PA2
32 N/A I/O General I/O port pin
PA3
28 N/A I/O General I/O port pin
PA4
26 N/A I/O General I/O port pin
PA5
24 N/A I/O General I/O port pin
PA6
22 N/A I/O General I/O port pin
PA7
21 N/A I/O General I/O port pin
Function
Alternate 1
Counter 1 input (C1)
I²C Bus serial data
(I²CSDA)
I²C Bus clock
(I²CSCL)
Program Counter
Array0 PCA0-TCM0
PCA0-TCM1
PCA0-TCM2
PCACLK0
Program Counter
Array1 PCA1-TCM3
PCA1-TCM4
PCA1-TCM5
PCACLK1
Alternate 2
Timer 2 Count input
(T2)
Timer 2 Trigger input
(T2X)
UART1 or IrDA
Receive (RxD1)
UART1 or IrDA
Transmit (TxD1)
SPI Clock Out
(SPICLK)
SPI Receive
(SPIRxD)
SPI Transmit
(SPITxD)
SPI Slave Select
(SPISEL)
All Port A pins
support:
1. PLD Macro-cell
outputs, or
2. PLD inputs, or
3. Latched
Address Out
(A0-A7), or
4. Peripheral I/O
Mode
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