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STMicroelectronics · Other MCUs

UPSD3422EB40T6

IC MCU 8BIT 80KB FLASH 52LQFP

STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.

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UPSD3422EB40T6 component illustration
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UPSD3422EB40T6 specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerSTMicroelectronics
Ordering codeUPSD3422EB40T6
FamilyOther MCUs
Package52-LQFP
Product StatusObsolete
DigiKey ProgrammableNot Verified
Core Processor8032
Core Size8-Bit
Speed40MHz
ConnectivityI²C, IrDA, SPI, UART/USART, USB
PeripheralsLVD, POR, PWM, WDT
Number of I/O35
Program Memory Size80KB (80K x 8)
Program Memory TypeFLASH
EEPROM SizeNot provided in source
RAM Size4K x 8
Voltage - Supply (Vcc/Vdd)3V ~ 5.5V
Data ConvertersA/D 8x10b
Oscillator TypeInternal
Operating Temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount
Package / Case52-LQFP
Supplier Device PackageNot provided in source

Documents and evidence

UPSD3422EB40T6 ↗

Catalog sources

www.ic-components.com · UPSD3422EB40T6 ↗

Source directory identity match; source detail pending. Specifications remain from existing catalog.

Before sourcing UPSD3422EB40T6

  1. Identify the firmware and board baseline
  2. Check flash, RAM and required peripherals
  3. Review pin assignment and supply limits
  4. Keep the full temperature and package suffix
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Questions about UPSD3422EB40T6

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Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.

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