AT90PWM2 datasheet(363/365 Pages) ATMEL

363 / 365 page

363

AT90PWM2/3

4317B–AVR–02/05

EUSART (Extended USART) ............................................................ 221

Features............................................................................................................ 221

Overview........................................................................................................... 221

Serial Frames ................................................................................................... 222

Configuring the EUSART.................................................................................. 227

Data Reception – EUSART Receiver ................................................................228

EUSART Registers Description .........................................................................230

Analog Comparator .......................................................................... 236

Overview........................................................................................................... 236

Analog Comparator Register Description ......................................................... 237

Analog to Digital Converter - ADC .................................................. 243

Features............................................................................................................ 243

Operation .......................................................................................................... 245

Starting a Conversion ....................................................................................... 245

Prescaling and Conversion Timing ................................................................... 246

Changing Channel or Reference Selection ...................................................... 248

ADC Noise Canceler......................................................................................... 250

ADC Conversion Result.................................................................................... 255

ADC Register Description................................................................................. 257

Amplifier............................................................................................................ 261

Amplifier Control Registers ............................................................................... 263

Digital to Analog Converter - DAC .................................................. 266

Features............................................................................................................ 266

Operation .......................................................................................................... 268

Starting a Conversion ....................................................................................... 268

DAC Register Description................................................................................. 269

debugWIRE On-chip Debug System ............................................... 271

Features............................................................................................................ 271

Overview........................................................................................................... 271

Physical Interface ............................................................................................. 271

Software Break Points ...................................................................................... 272

Limitations of debugWIRE ................................................................................ 272

debugWIRE Related Register in I/O Memory ................................................... 272

Boot Loader Support – Read-While-Write Self-Programming ...... 273

Boot Loader Features ....................................................................................... 273

Application and Boot Loader Flash Sections .................................................... 273

Read-While-Write and No Read-While-Write Flash Sections........................... 273

Boot Loader Lock Bits....................................................................................... 276

Entering the Boot Loader Program ................................................................... 277

Addressing the Flash During Self-Programming .............................................. 279

Self-Programming the Flash ............................................................................. 280

AT90PWM2 Datasheet(PDF) 363 Page - ATMEL Corporation

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