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AT90PWM81 fiches techniques PDF

ATMEL Corporation - 8-bit Microcontroller

Numéro de référence AT90PWM81
Description 8-bit Microcontroller
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT90PWM81 fiche technique
Features
High performance, low power Atmel®AVR® 8-bit Microcontroller
Advanced RISC architecture
– 131 powerful instructions - most single clock cycle execution
– 32 × 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
– 8/16Kbytes of in-system programmable program memory flash
• Endurance: 10,000 write/erase cycles
• Lock bits protection
• Optional 2/4Kbytes 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
• Four bytes page size
– 256/1024 Bytes 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 one fully differential ADC channel pair
• Programmable gain (5×, 10×, 20×, 40× on differential channel)
• Internal reference voltage
– One 10-bit DAC
– Three analog comparators with
• Resistor-array to adjust comparison voltage
• DAC to adjust comparison voltage
– One SPI
– Three external interrupts
– Programmable watchdog timer with separate on-chip oscillator
Special microcontroller features
– Low power idle, noise reduction, and power down modes
8-bit Atmel
Microcontroller
with 8/16K
Bytes In-System
Programmable
Flash
AT90PWM81
AT90PWM161
7734Q–AVR–02/12

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