AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 321

• Manufacturer Part Number: AT90PWM81
• Manufacturer: Atmel Corporation

Specifications of AT90PWM81

• Flash (kbytes): 8 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 20
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 3
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 8
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

7734P–AVR–08/10
14
15
16
17
18
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
13.20Interrupt Handling ............................................................................................................ 170
13.21PSC Clock Sources ........................................................................................................... 170
13.22Interrupts .......................................................................................................................... 171
13.23PSCR Register Definition ................................................................................................ 171
14.1Features .............................................................................................................................. 180
14.2Overview ............................................................................................................................ 180
14.3SS Pin Functionality ........................................................................................................... 184
14.4Data Modes ........................................................................................................................ 185
14.5SPI registers ........................................................................................................................ 186
15.1Features .............................................................................................................................. 189
15.2On Chip voltage Reference and Temperature sensor overview ......................................... 189
15.3Register Description ........................................................................................................... 190
15.4Temperature Measurement ................................................................................................. 192
16.1Features .............................................................................................................................. 194
16.2Overview ............................................................................................................................ 194
16.3Shared pins between Analog Comparator and ADC .......................................................... 196
16.4Analog Comparator Register Description .......................................................................... 196
17.1Features .............................................................................................................................. 203
17.2Operation ............................................................................................................................ 205
17.3Starting a Conversion ......................................................................................................... 205
17.4Prescaling and Conversion Timing .................................................................................... 206
17.5Changing Channel or Reference Selection ......................................................................... 208
17.6ADC Noise Canceler .......................................................................................................... 209
17.7ADC Conversion Result ..................................................................................................... 214
17.8ADC Register Description ................................................................................................. 216
17.9Amplifier ............................................................................................................................ 221
17.10Amplifier Control Registers ............................................................................................. 224
18.1Features .............................................................................................................................. 226
18.2Operation ............................................................................................................................ 227
AT90PWM81
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