ATMEGA88 Просмотр технического описания (PDF) - Atmel Corporation

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ATMEGA88

8-bit Atmel Microcontroller with 4/8/16K Bytes In-System Programmable Flash

Atmel Corporation 

2545T–AVR–05/11

ATmega48/88/168

26.3Register description .............................................................................................267

27 Boot loader support – Read-while-write self-programming, Atmel

ATmega88 and Atmel ATmega168 269

27.1Features ..............................................................................................................269

27.2Overview .............................................................................................................269

27.3Application and boot loader flash sections ..........................................................269

27.4Read-while-write and no read-while-write flash sections .....................................270

27.5Boot loader lock bits ............................................................................................272

27.6Entering the boot loader program ........................................................................273

27.7Addressing the flash during self-programming ....................................................274

27.8Self-programming the flash .................................................................................275

27.9Register description .............................................................................................283

28 Memory programming ......................................................................... 285

28.1Program and data memory lock bits ....................................................................285

28.2Fuse bits ..............................................................................................................286

28.3Signature bytes ...................................................................................................288

28.4Calibration byte ...................................................................................................288

28.5Page size .............................................................................................................289

28.6Parallel programming parameters, pin mapping, and commands .......................289

28.7Parallel programming ..........................................................................................291

28.8Serial downloading ..............................................................................................298

29 Electrical characteristics ..................................................................... 303

29.1Absolute maximum ratings* .................................................................................303

29.2DC characteristics ...............................................................................................303

29.3Speed grades ......................................................................................................305

29.4Clock characteristics ...........................................................................................306

29.5System and reset characteristics ........................................................................307

29.62-wire serial interface characteristics ..................................................................308

29.7SPI timing characteristics ....................................................................................309

29.8ADC characteristics .............................................................................................311

29.9Parallel programming characteristics ..................................................................312

30 Typical characteristics ........................................................................ 315

30.1Active supply current ...........................................................................................315

30.2Idle supply current ...............................................................................................318

30.3Supply current of I/O modules .............................................................................321

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