The AT89C51ED2-RLTUM is an 8-bit microcontroller unit boasting 64KB Flash memory and a compact 44VQFP package. Compatible with the 80C52, it features six 8-bit I/O ports (64/68 pins) or four ports (44 pins), three 16-bit timers, and 256 bytes of scratchpad RAM. Integrated power monitoring ensures reliable operation, and In-System Programming (ISP) simplifies firmware updates.

Key Features:

• High-speed architecture up to 60MHz (internal and external execution)
• On-chip 64KB Flash memory with byte and page erase/write
• 1792 bytes Expanded RAM (XRAM) with selectable size
• On-chip 2048 bytes EEPROM for data storage (AT89C51ED2 only)
• SPI interface, enhanced UART, and versatile programmable counter array

Applications: Ideal for applications requiring advanced control and computation, such as industrial automation, embedded systems, and communication devices. The MCU's low EMI, power control modes, and wide temperature range make it suitable for diverse environments.

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