AT89C51RD2-RDTUM Atmel, AT89C51RD2-RDTUM Datasheet - Page 3

• Manufacturer Part Number: AT89C51RD2-RDTUM
• Description: 8-bit Microcontrollers - MCU Microcontroller
• Manufacturer: Atmel

Specifications of AT89C51RD2-RDTUM

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 60 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 2 KB
• On-chip Adc: No
• Operating Supply Voltage: 2.7 V to 5.5 V
• Package / Case: VQFP
• Mounting Style: SMD/SMT
• Interface Type: EUART, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 48
• Number Of Timers: 3 bit
• Program Memory Type: Flash
• Factory Pack Quantity: 800
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V

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