UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 14

• Manufacturer Part Number: UPSD3234A-40U6T
• Description: IC MCU 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3234A-40U6T

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, UART/USART, USB
• Peripherals: LVR, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 288KB (288K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

UPSD323xx description
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Table 2.
P4.7
Port
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
pin
RESET_
PSEN_
Signal
PWM4
XTAL1
XTAL2
name
USB–
V
WR_
RD_
ALE
REF
80-pin package pin description (continued)
Pin
no.
18
70
65
62
63
68
48
49
35
34
32
28
26
24
22
21
80
78
76
74
73
72
67
66
8
4
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
In/
O
O
O
O
O
O
I
I
General I/O port pin
Pull-up resistor required (2 kΩ for
3 V devices, 7.5 kΩ for 5 V devices)
Reference Voltage input for ADC
READ signal, external bus
WRITE signal, external bus
PSEN signal, external bus
Address Latch signal, external bus
Active low RESET input
Oscillator input pin for system clock
Oscillator output pin for system clock
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
General I/O port pin
General I/O port pin
General I/O port pin
General I/O port pin
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Basic
Function
Programmable 8-bit Pulse
Width modulation output 4
PLD macrocell outputs
PLD inputs
Latched address out (A0-
A7)
Peripheral I/O mode
PLD macrocell outputs
PLD inputs
Latched address out (A0-
A7)
Alternate