AT89C51RD2 Atmel Corporation, AT89C51RD2 Datasheet - Page 3

• Manufacturer Part Number: AT89C51RD2
• Manufacturer: Atmel Corporation

Specifications of AT89C51RD2

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 32
• Spi: 1
• Uart: 1
• Sram (kbytes): 2
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

Active UART Bootloader Errata List
•
•
UART Bootloader Errata History
UART Bootloader Errata Description
1. API Program Data Byte - Incorrect Return Value
2. API Program Data Page- Incorrect Return Value
3
Version Number
0.0 (1.0.0 displayed by FLIP)
API program Data Byte - Incorrect Return Value
API program Data Page - Incorrect Return Value
The PROGRAM DATA BYTE API returns the ‘0xXX’ instead of 0x00 in ACC, but the programmnig operation is sucess-
fully completed.
The PROGRAM DATA PAGE API returns the ‘0xXX’ instead of 0x00 in ACC, but the programmnig operation is sucess-
fully completed.
AT89C51RD2/ED2
Errata List
1,2
4257E–8051–08/07