Product Summary
The AT89C51ED2-UM is a high performance CMOS Flash version of the 80C51 CMOS single chip 8- bit microcontroller. It contains a 64-Kbyte Flash memory block for code and for data. The AT89C51ED2-UM retains all of the features of the Atmel 80C52 with 256 bytes of internal RAM, a 9-source 4-level interrupt controller and three timer/counters. The AT89C51ED2-UM provides 2048 bytes of EEPROM for nonvolatile data storage.
Parametrics
AT89C51ED2-UM absolute maximum ratings: (1)I = industrial: -40℃ to 85℃; (2)Storage Temperature: -65℃ to + 150℃; (3)Voltage on VCC to VSS: -0.5V to + 6.5V; (4)VVoltage on Any Pin to VSS: -0.5V to VCC + 0.5V; (5)Power Dissipation: 1 W。
Features
AT89C51ED2-UM features: (1)Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply; (2)ISP (In-System Programming) Using Standard VCC Power Supply; (3)2048 Bytes Boot ROM Contains Low Level Flash Programming Routines and a Default Serial Loader; (4)High-speed Architecture; (5)64K Bytes On-chip Flash Program/Data Memor; (6)On-chip 1792 bytes Expanded RAM; (7)On-chip 2048 Bytes EEPROM Block for Data Storage.
Diagrams
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