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UPSD3254A-40T6 from UPSD

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UPSD3254A-40T6

Manufacturer: UPSD

Flash Programmable System Devices with 8032 Microcontroller Core and 256 Kbit SRAM

Partnumber Manufacturer Quantity Availability
UPSD3254A-40T6,UPSD3254A40T6 UPSD 2000 In Stock

Description and Introduction

Flash Programmable System Devices with 8032 Microcontroller Core and 256 Kbit SRAM The UPSD3254A-40T6 is a microcontroller manufactured by STMicroelectronics. It is part of the **uPSD** series, which combines a **8032 microcontroller core** with **Programmable System Device (PSD)** functionality.  

### **Key Specifications:**  
- **Core:** 8032 (8-bit microcontroller)  
- **Speed:** 40 MHz  
- **Package:** TQFP-80 (Thin Quad Flat Package, 80 pins)  
- **Operating Voltage:** 3.3V or 5V (configurable)  
- **Flash Memory:**  
  - **Main Flash:** Up to 256 KB (for code storage)  
  - **Secondary Flash:** Up to 32 KB (for data storage)  
- **SRAM:** 8 KB (for data storage)  
- **Additional Features:**  
  - **PLD (Programmable Logic Device)** for custom logic  
  - **I/O Ports:** Up to 46 programmable I/O pins  
  - **Timers/Counters:** Multiple 16-bit timers  
  - **UART:** Serial communication interface  
  - **Watchdog Timer:** For system reliability  
  - **JTAG Interface:** For in-system programming and debugging  

### **Applications:**  
- Embedded control systems  
- Industrial automation  
- Consumer electronics  
- Communication devices  

This device integrates microcontroller and programmable logic, making it suitable for compact, high-performance embedded applications.

Partnumber Manufacturer Quantity Availability
UPSD3254A-40T6,UPSD3254A40T6 ST 5900 In Stock

Description and Introduction

Flash Programmable System Devices with 8032 Microcontroller Core and 256 Kbit SRAM The UPSD3254A-40T6 is a microcontroller manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Part Number:** UPSD3254A-40T6  
- **Core:** 8-bit 8051-compatible microcontroller  
- **Operating Frequency:** Up to 40 MHz  
- **Program Memory (Flash):** 32 KB  
- **SRAM:** 2 KB  
- **EEPROM:** 8 KB  
- **Timers:** Three 16-bit timers/counters  
- **I/O Ports:** Up to 36 programmable I/O pins  
- **ADC:** 8-channel, 10-bit analog-to-digital converter  
- **Communication Interfaces:**  
  - UART (Universal Asynchronous Receiver/Transmitter)  
  - SPI (Serial Peripheral Interface)  
  - I²C (Inter-Integrated Circuit)  
- **Operating Voltage:** 3.0V to 3.6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TQFP-48 (Thin Quad Flat Package, 48 pins)  

### **Descriptions:**
- The UPSD3254A-40T6 integrates an 8051-compatible microcontroller with programmable logic (PSD module) for flexible system design.  
- It features embedded Flash memory for program storage and EEPROM for non-volatile data storage.  
- The device is designed for applications requiring high-speed processing, mixed-signal capabilities, and low-power operation.  

### **Features:**
- **High-Speed 8051 Core:** Executes instructions in fewer clock cycles compared to standard 8051.  
- **Dual Flash Memory:** Separate Flash memory for code and data storage.  
- **Programmable Logic (PSD):** Configurable logic blocks for custom peripheral interfacing.  
- **Low-Power Modes:** Supports idle and power-down modes for energy efficiency.  
- **Watchdog Timer:** Built-in for system reliability.  
- **In-System Programming (ISP):** Allows firmware updates without removing the chip.  
- **JTAG Debugging Support:** Facilitates development and testing.  

This information is based on the manufacturer's datasheet and technical documentation.

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