at90pwm81-16se ATMEL Corporation, at90pwm81-16se Datasheet - Page 318

• Manufacturer Part Number: at90pwm81-16se
• Description: 8-bit Avr Microcontroller With 8k Bytes In- System Programmable Flash
• Manufacturer: ATMEL Corporation

318
AT90PWM81
15
16
17
18
19
Serial Peripheral Interface – SPI: .....................................................................180
Voltage Reference and Temperature Sensor .....................................................189
Analog Comparator ............................................................................................194
Analog to Digital Converter - ADC ....................................................................203
Digital to Analog Converter - DAC ....................................................................226
14.20Interrupt Handling ............................................................................................................ 170
14.21PSC Clock Sources ........................................................................................................... 170
14.22Interrupts .......................................................................................................................... 171
14.23PSCR Register Definition ................................................................................................ 171
15.1Features .............................................................................................................................. 180
15.2Overview ............................................................................................................................ 180
15.3SS Pin Functionality ........................................................................................................... 184
15.4Data Modes ........................................................................................................................ 185
15.5SPI registers ........................................................................................................................ 186
16.1Features .............................................................................................................................. 189
16.2On Chip voltage Reference and Temperature sensor overview ......................................... 189
16.3Register Description ........................................................................................................... 190
16.4Temperature Measurement ................................................................................................. 192
17.1Features .............................................................................................................................. 194
17.2Overview ............................................................................................................................ 194
17.3Shared pins between Analog Comparator and ADC .......................................................... 196
17.4Analog Comparator Register Description .......................................................................... 196
18.1Features .............................................................................................................................. 203
18.2Operation ............................................................................................................................ 205
18.3Starting a Conversion ......................................................................................................... 205
18.4Prescaling and Conversion Timing .................................................................................... 206
18.5Changing Channel or Reference Selection ......................................................................... 208
18.6ADC Noise Canceler .......................................................................................................... 209
18.7ADC Conversion Result ..................................................................................................... 214
18.8ADC Register Description ................................................................................................. 216
18.9Amplifier ............................................................................................................................ 221
18.10Amplifier Control Registers ............................................................................................. 224
19.1Features .............................................................................................................................. 226
19.2Operation ............................................................................................................................ 227
7734M–AVR–03/10