AT89C51RE2 Atmel Corporation, AT89C51RE2 Datasheet - Page 46

• Manufacturer Part Number: AT89C51RE2
• Manufacturer: Atmel Corporation

Specifications of AT89C51RE2

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Uart: 2
• Sram (kbytes): 8.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/OCD
• Watchdog: Yes

In addition, the user application can reset the columns latches space manually. The fol-
lowing procedure is used to reset the columns latches space
Launch the programming by writing the data sequence 53h followed by A3h in FCON
register (from FM0 and RM0).
AT89C51RE2
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