AT89C51RB2 Atmel Corporation, AT89C51RB2 Datasheet - Page 2

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AT89C51RB2

Manufacturer Part Number
AT89C51RB2
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of AT89C51RB2

Flash (kbytes)
16 Kbytes
Max. Operating Frequency
60 MHz
Cpu
8051-12C
Max I/o Pins
32
Spi
1
Uart
1
Sram (kbytes)
1.25
Self Program Memory
API
Operating Voltage (vcc)
2.7 to 5.5
Timers
4
Isp
UART
Watchdog
Yes

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Active UART Bootloader Errata List
• API program Data Byte - Incorrect Return Value
• API program Data Page - Incorrect Return Value
UART Bootloader Errata History
UART Bootloader Errata Description
1. API program Data Byte - Incorrect Return Value
2. API program Data Page- Incorrect Return Value
2
Version Number
0.1 (1.0.1 displayed by FLIP)
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.
Errata List
1,2
4181C–8051–06/04

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