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The UPSD3234A-40T6 is a microcontroller from STMicroelectronics (ST) that integrates a 8032 microcontroller core with Programmable System Device (PSD) functionality.

Key Specifications:

• Core: 8032 (8-bit microcontroller)
• Operating Frequency: Up to 40 MHz
• Flash Memory:
• 256 KB (Main Flash)
• 32 KB (Secondary Flash)
• SRAM: 8 KB
• I/O Ports: 50+ programmable I/O pins
• Timers:
• Two standard 16-bit timers
• One Programmable Counter Array (PCA)
• Communication Interfaces:
• UART (Universal Asynchronous Receiver/Transmitter)
• I²C (Inter-Integrated Circuit)
• SPI (Serial Peripheral Interface)
• JTAG Interface: Supports in-system programming and debugging
• Operating Voltage: 3.0V to 3.6V
• Package: TQFP-64 (Thin Quad Flat Package, 64 pins)
• Operating Temperature Range: -40°C to +85°C

Features:

• In-System Programmable (ISP) Flash memory
• PSDsoft Configuration Tool for easy design and programming
• Power Management Modes (Idle and Power-Down) for low-power applications
• Watchdog Timer (WDT) for system reliability
• High-speed data transfer with flexible memory mapping

This microcontroller is designed for embedded applications requiring high integration, such as industrial control, automotive, and consumer electronics.

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