at89c51re2-slsem ATMEL Corporation, at89c51re2-slsem Datasheet - Page 164

• Manufacturer Part Number: at89c51re2-slsem
• Description: At89c51re2 8-bit Flash Microcontroller
• Manufacturer: ATMEL Corporation

7663B–8051–03/07
Features ................................................................................................. 1
Description ............................................................................................ 2
Block Diagram ...................................................................................... 3
Pin Configurations ............................................................................... 4
SFR Mapping ......................................................................................... 8
Enhanced Features ............................................................................ 14
Dual Data Pointer Register DPTR ..................................................... 18
Expanded RAM (XRAM) ..................................................................... 22
Flash Memory ..................................................................................... 27
Bootloader Architecture .................................................................... 36
Timers/Counters ................................................................................. 52
Timer 2 ................................................................................................. 61
X2 Feature .......................................................................................................... 14
Memory Architecture ........................................................................................... 21
Registers............................................................................................................. 24
Extended Stack................................................................................................... 25
General Description ............................................................................................ 27
Features.............................................................................................................. 27
Flash memory organization ................................................................................ 27
Flash Operations ................................................................................................ 28
Flash Registers and Memory Map...................................................................... 30
Introduction ......................................................................................................... 36
Bootloader Description ....................................................................................... 37
ISP Protocol Description..................................................................................... 39
Protocol............................................................................................................... 40
ISP Commands description ................................................................................ 44
Timer/Counter Operations .................................................................................. 52
Timer 0................................................................................................................ 52
Timer 1................................................................................................................ 55
Interrupt .............................................................................................................. 55
Registers............................................................................................................. 57
Auto-Reload Mode.............................................................................................. 61
Programmable Clock-Output .............................................................................. 62
Registers............................................................................................................. 64
............................................................................................................................ 28
AT89C51RE2
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