AT90PWM1-16MU Atmel, AT90PWM1-16MU Datasheet - Page 291

• Manufacturer Part Number: AT90PWM1-16MU
• Description: IC AVR PWM 8KB FLASH 16MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM1-16MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 19
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 32-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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