AT90PWM81(2010) 데이터 시트보기 (PDF) - Atmel Corporation

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AT90PWM81
(Rev.:2010)

8-bit Microcontroller with 8K Bytes In-System Programmable Flash

Atmel Corporation 

Features

• High Performance, Low Power AVR ® 8-bit Microcontroller

• Advanced RISC Architecture

– 131 Powerful Instructions - Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 1 MIPS Throughput per MHz

– On-chip 2-cycle Multiplier

• Data and Non-Volatile Program Memory

– 8K Bytes of In-System Programmable Program Memory Flash

• Endurance: 10,000 Write/Erase Cycles

• Lock bits protection

• Optional 2k Bytes Boot Code Section with Independent Lock Bits

• In-System Programming by On-chip Boot Program

• True Read-While-Write Operation

– 512 Bytes of In-System Programmable EEPROM,

• 4 bytes page size

– 256Bytes Internal SRAM

• On Chip Debug support (debugWIRE)

• Peripheral Features

– One 12-bit High Speed PSC (Power Stage Controllers with extended PSC2

features)

• Non overlapping inverted PWM output pins with flexible Dead-Time

• Variable PWM duty cycle and frequency

• Synchronous update of all PWM registers

• Enhanced resolution mode (16 bits)

• Additional register for ADC synchronization

• Input capture

• Four output pins and output matrix

– One 12-bit High Speed PSC (Power Stage Controller)

• Auto Stop function for event driven PFC implementation

• Non overlapping inverted PWM output pins with flexible Dead-Time

• Variable PWM duty cycle and frequency

• Synchronous update of all PWM registers

• Enhanced resolution mode (16 bits)

• Input capture

– One 16-bit simple General purpose Timer/Counter

– 10-bit ADC

• up to 11 single ended channels and 1 fully differential ADC channel pair

• Programmable gain (5x, 10x, 20x, 40x on differential channel)

• Internal reference voltage

– One 10-bit DAC

– Three Analog Comparator with

• Resistor-Array to adjust comparison voltage

• DAC to adjust comparison voltage

– One SPI

– 3 External interrupts

– Programmable Watchdog Timer with Separate On-Chip Oscillator

8-bit

Microcontroller

with 8K Bytes In-

System

Programmable

Flash

AT90PWM81

7734P–AVR–08/10

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