at89c51rc2-slsil ATMEL Corporation, at89c51rc2-slsil Datasheet - Page 125
at89c51rc2-slsil
Manufacturer Part Number
at89c51rc2-slsil
Description
8-bit Microcontroller With 16k/ 32k Bytes Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51RC2-SLSIL.pdf
(127 pages)
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xxxxA–8051–10/06
Interrupt System ................................................................................. 55
Keyboard Interface ............................................................................. 64
Serial Port Interface (SPI) ................................................................... 68
Hardware Watchdog Timer ................................................................ 77
ONCE
Power Management ............................................................................ 80
Power-off Flag ..................................................................................... 84
Reduced EMI Mode ............................................................................. 85
Flash EEPROM Memory ..................................................................... 86
Electrical Characteristics ................................................................. 107
Registers............................................................................................................. 47
Baud Rate Selection for UART for Mode 1 and 3............................................... 47
UART Registers.................................................................................................. 50
Registers............................................................................................................. 56
Interrupt Sources and Vector Addresses............................................................ 63
Registers............................................................................................................. 65
Features.............................................................................................................. 68
Signal Description............................................................................................... 68
Functional Description ........................................................................................ 70
Using the WDT ................................................................................................... 77
WDT During Power-down and Idle ..................................................................... 78
Reset .................................................................................................................. 80
Reset Recommendation to Prevent Flash Corruption ........................................ 82
Idle Mode ............................................................................................................ 82
Power-down Mode.............................................................................................. 82
Features.............................................................................................................. 86
Flash Programming and Erasure ........................................................................ 86
Flash Registers and Memory Map...................................................................... 87
Flash Memory Status.......................................................................................... 90
Memory Organization ......................................................................................... 90
Bootloader Architecture ...................................................................................... 91
ISP Protocol Description..................................................................................... 95
Functional Description ........................................................................................ 96
Flow Description ................................................................................................. 97
API Call Description.......................................................................................... 105
Absolute Maximum Ratings .............................................................................. 107
™
Mode (ON Chip Emulation) .................................................. 79
ii
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