AT90PWM1 Atmel Corporation, AT90PWM1 Datasheet - Page 291

• Manufacturer Part Number: AT90PWM1
• Manufacturer: Atmel Corporation

Specifications of AT90PWM1

• Flash (kbytes): 8 Kbytes
• Pin Count: 24
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 19
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 2
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 105
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 12
• Input Capture Channels: 1
• Pwm Channels: 7
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Table of Contents
4378C–AVR–09/08
1
2
3
4
5
6
7
History ....................................................................................................... 2
Disclaimer ................................................................................................. 2
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 5
AVR CPU Core .......................................................................................... 9
Memories ................................................................................................ 17
System Clock ......................................................................................... 27
3.1 Pin Descriptions .......................................................................................................4
4.1 Block Diagram .........................................................................................................6
4.2 Pin Descriptions .......................................................................................................7
4.3 About Code Examples .............................................................................................8
5.1 Introduction ..............................................................................................................9
5.2 Architectural Overview .............................................................................................9
5.3 ALU – Arithmetic Logic Unit ...................................................................................10
5.4 Status Register ......................................................................................................11
5.5 General Purpose Register File ..............................................................................12
5.6 Stack Pointer .........................................................................................................13
5.7 Instruction Execution Timing .................................................................................13
5.8 Reset and Interrupt Handling .................................................................................14
6.1 In-System Reprogrammable Flash Program Memory ...........................................17
6.2 SRAM Data Memory ..............................................................................................17
6.3 EEPROM Data Memory ........................................................................................19
6.4 I/O Memory ............................................................................................................25
6.5 General Purpose I/O Registers .............................................................................25
7.1 Clock Systems and their Distribution .....................................................................27
7.2 Clock Sources .......................................................................................................28
7.3 Default Clock Source .............................................................................................29
7.4 Low Power Crystal Oscillator .................................................................................29
7.5 Calibrated Internal RC Oscillator ...........................................................................30
7.6 PLL ........................................................................................................................32
7.7 128 kHz Internal Oscillator ....................................................................................34
7.8 External Clock .......................................................................................................34
AT90PWM1
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