UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 15

• 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: -

UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
1.1
Table 2.
52-pin package I/O port
The 52-pin package members of the UPSD323xx devices have the same port pins as those
of the 80-pin package except:
●
●
●
●
●
●
GND
GND
GND
Port
PC3
PC4
PC7
PD1
PD2
Vcc
Vcc
pin
NC
NC
NC
Port 0 (P0.0-P0.7, external address/data bus AD0-AD7)
Port 2 (P2.0-P2.3, external address bus A8-A11)
Port A (PA0-PA7)
Port D (PD2)
Bus control signal (RD,WR,PSEN,ALE)
Pin 5 requires a pull-up resistor (2 kΩ for 3 V devices, 7.5 kΩ for 5 V devices) for all
devices, with or without USB function.
TERR_
Signal
TSTAT
CLKIN
name
USB+
JTAG
JTAG
JTAG
JTAG
TMS
TDO
TCK
TDI
80-pin package pin description (continued)
Pin
no.
20
16
14
12
50
13
29
69
10
11
17
71
9
7
6
5
3
1
out
I/O
I/O
I/O
I/O
I/O
In/
O
I
I
I
JTAG pin
JTAG pin
General I/O port pin
General I/O port pin
JTAG pin
JTAG pin
General I/O port pin
General I/O port pin
General I/O port pin
Basic
Function
PLD macrocell outputs
PLD inputs
JTAG pins are dedicated
pins
PLD I/O
Clock input to PLD and
APD
PLD I/O
Chip select to PSD module
UPSD323xx description
Alternate
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