AT89C51AC2 Atmel Corporation, AT89C51AC2 Datasheet - Page 8

• Manufacturer Part Number: AT89C51AC2
• Manufacturer: Atmel Corporation

Specifications of AT89C51AC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 1.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

5. Flash API “__api_wr_code_page” with 0 Data in Length Parameter Field
When the Flash API “__api_wr_code_page” is called with the field nb_data equal 0 then 255 data is written in Flash.
Workaround
Include a test on nb_data before executed __api_wr_code_page routine.
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4159G–8051–05/06