UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 12

• 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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Figure 3.
1. Pull-up resistor required on pin 8 (2 kΩ for 3 V devices, 7.5 kΩ for 5 V devices) for all 82-pin devices, with
2. NC = Not Connected
Table 2.
Port
pin
or without USB function.
P3.3 /EXINT1
PC4/TERR_
PC2/V STBY
PC3/TSTAT
P4.7/PWM4
P4.6/PWM3
PD1/CLKIN
JTAG/TDO
JTAG TMS
JTAG TCK
JTAG/TDI
Signal
name
USB– (1)
AD0
AD1
AD2
AD3
AD4
AD5
AD6
USB+
NC (2)
NC (2)
GND
V CC
PD2
PC7
ALE
TQFP80 connections
80-pin package pin description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin
no.
36
37
38
39
41
43
45
out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
In/
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
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Basic
Function
Alternate
60 P1.5/ADC1
59 P1.4/ADC0
58 P1.3/TXD1
57 A11
56 P1.2/RXD1
55 A10
54 P1.1/TX2
53 A9
52 P1.0/T2
51 A8
50 V CC
49 XTAL2
48 XTAL1
47 AD7
46 P3.7/SCL1
45 AD6
44 P3.6/SDA1
43 AD5
42 P3.5/T1
41 AD4
AI07424b