| Parameters | |
|---|---|
| Series | µPSD |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 52-TQFP |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Speed | 40MHz |
| Oscillator Type | Internal |
| Core Processor | 8032 |
| RAM Size | 4K x 8 |
| Number of I/O | 35 |
| Peripherals | LVD, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| EEPROM Size | - |
| Program Memory Type | FLASH |
| Connectivity | I²C, IrDA, SPI, UART/USART, USB |
| Core Size | 8-Bit |
| Program Memory Size | 80KB (80K x 8) |
| Data Converters | A/D 8x10b |
| Package | Tray |
| Product Status | Obsolete |
| Base Product Number | UPSD34 |
| REACH Status | REACH Unaffected |
| Other Names | 497-4902 |
| Standard Package | 160 |
| ECCN | 3A991A2 |
| HTSUS | 8542.31.0001 |
UPSD3422E-40T6 Microcontroller 8-bit 8032 MCU 40MHz 80KB (80K x 8) FLASH
This MCU integrates a comprehensive set of peripherals and protection features to enhance versatility and reliability. It includes a 10-bit analog-to-digital converter (ADC) with 8 channels for precise sensor interfacing, three timers/counters (Timer 0, 1, 2) with PWM capability for timing and motor control, and serial communication interfaces (UART, SPI, I²C) for seamless connectivity with external devices. Additional features include power-on reset (POR), watchdog timer (WDT), low-voltage detection (LVD), and an internal oscillator, eliminating the need for external components and simplifying system design. Its 80C51-compatible architecture ensures easy programming and code portability, while the compact TQFP package supports high-density PCB layouts, making it suitable for space-constrained industrial and consumer applications.
Alternative industrial MCU Models
● UPSD3423E-40T6: STMicroelectronics' pin-compatible variant with 128KB Flash memory, ideal for memory-intensive design upgrades
● UPSD3222E-33T6: STMicroelectronics' low-voltage variant (3.3V only) with similar peripherals, suitable for low-power applications
● AT89C51RD2-RLT6: Microchip's 8-bit 8051 MCU with 64KB Flash, compatible for cross-family substitution
● STC89C52RC-40I-PDIP40: STC's 8051-compatible MCU with 8KB Flash, cost-effective alternative for low-memory designs
● C8051F340-GQR: Silicon Labs' 8-bit MCU with enhanced peripherals, similar performance for industrial-grade substitutions.