ATMEGA88 查看數據表（PDF） - Atmel Corporation
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ATMEGA88
Atmel Corporation
ATMEGA88 Datasheet PDF : 377 Pages
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2545T–AVR–05/11
ATmega48/88/168
21.8Register description .............................................................................................206
22 2-wire serial interface .......................................................................... 209
22.1Features ..............................................................................................................209
22.22-wire serial interface bus definition ....................................................................209
22.3Data transfer and frame format ...........................................................................210
22.4Multi-master bus systems, arbitration and synchronization .................................213
22.5Overview of the TWI module ...............................................................................216
22.6Using the TWI ......................................................................................................218
22.7Transmission modes ...........................................................................................222
22.8Multi-master systems and arbitration ...................................................................235
22.9Register description .............................................................................................236
23 Analog comparator .............................................................................. 241
23.1Overview .............................................................................................................241
23.2Analog comparator multiplexed input ..................................................................241
23.3Register description .............................................................................................242
24 Analog-to-digital converter ................................................................. 244
24.1Features ..............................................................................................................244
24.2Overview .............................................................................................................244
24.3Starting a conversion ...........................................................................................246
24.4Prescaling and conversion timing ........................................................................247
24.5Changing channel or reference selection ............................................................249
24.6ADC noise canceler .............................................................................................250
24.7ADC conversion result .........................................................................................255
24.8Register description .............................................................................................255
25 debugWIRE on-chip debug system .................................................... 260
25.1Features ..............................................................................................................260
25.2Overview .............................................................................................................260
25.3Physical interface ................................................................................................260
25.4Software break points ..........................................................................................261
25.5Limitations of debugWIRE ...................................................................................261
25.6Register description .............................................................................................261
26 Self-programming the flash, Atmel ATmega48 ................................. 262
26.1Overview .............................................................................................................262
26.2Addressing the flash during self-programming ....................................................263
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