AT90PWM161 Atmel Corporation, AT90PWM161 Datasheet - Page 318

• Manufacturer Part Number: AT90PWM161
• Manufacturer: Atmel Corporation

Specifications of AT90PWM161

• Flash (kbytes): 16 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

Table Of Contents
i
AT90PWM81
1
2
3
4
5
6
Products Configuration ..........................................................................................2
Pin Configurations .................................................................................................3
AVR CPU Core .......................................................................................................8
Memories ...............................................................................................................16
System Clock and Clock Options .........................................................................27
Power Management and Sleep Modes .................................................................44
2.1Pin Descriptions ....................................................................................................................... 6
3.1Introduction .............................................................................................................................. 8
3.2Architectural Overview ............................................................................................................ 8
3.3ALU – Arithmetic Logic Unit .................................................................................................. 9
3.4Status Register .......................................................................................................................... 9
3.5General Purpose Register File ................................................................................................ 11
3.6Stack Pointer .......................................................................................................................... 12
3.7Instruction Execution Timing ................................................................................................. 12
3.8Reset and Interrupt Handling ................................................................................................. 13
4.1In-System Reprogrammable Flash Program Memory ........................................................... 16
4.2SRAM Data Memory ............................................................................................................. 16
4.3EEPROM Data Memory ........................................................................................................ 18
4.4Fuse Bits ................................................................................................................................. 22
4.5I/O Memory ............................................................................................................................ 26
4.6General Purpose I/O Registers ............................................................................................... 26
5.1Clock Systems and their Distribution ..................................................................................... 27
5.2Clock Sources ......................................................................................................................... 28
5.3Dynamic Clock Switch ........................................................................................................... 35
5.4System Clock Prescaler .......................................................................................................... 38
5.5Register Description ............................................................................................................... 38
6.1Sleep Modes ........................................................................................................................... 44
6.2Idle Mode ............................................................................................................................... 44
6.3ADC Noise Reduction Mode ................................................................................................. 45
6.4Power-down Mode ................................................................................................................. 45
6.5Standby Mode ........................................................................................................................ 45
6.6Power Reduction Register ...................................................................................................... 45
6.7Minimizing Power Consumption ........................................................................................... 45
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