Atmel attiny 461-20PU/su avr ATTINY461

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Atmel attiny 461-20PU/su avr ATTINY461 - get-it-fast

This ATtiny461 MCU is available in the PDIP (pictured) or SOIC packages. It has 2 independent timers and 5 independent output compare registers (OC0A, OC0B, OC1A, OC1B and OC1D) allowing for three separate PWM outputs, it also concurrently supports inverted PWM from timer 1 (OC1A, OC1B and OC1D). The PWM features are augmented by a large number of ADC inputs and 4K of flash memory. Also available is the low voltage SOIC (461-10SU) version which runs at up to 10MHz at 1.8volts.
High Performance, Low Power AVR 8-Bit Microcontroller
- 123 Powerful Instructions Most Single Clock Cycle Execution.
- 32 x 8 General Purpose Working Registers.
Non-volatile Program and Data Memories
- 4K Byte of In-System Programmable Program Memory Flash.
- Endurance: 10,000 Write/Erase Cycles.
- 256 Bytes In-System Programmable EEPROM.
- Endurance: 100,000 Write/Erase Cycles.
- Programming Lock for Self-Programming Flash Program and EEPROM Data
- 8/16-bit Timer/Counter with Prescaler and Two PWM Channels.
- 8/10-bit High Speed Timer/Counter with Separate Prescaler.
- 3 High Frequency PWM Outputs with Separate Output Compare Registers.
- Programmable Dead Time Generator.
- Universal Serial Interface with Start Condition Detector.
- 16 Differential ADC Channel Pairs.
- 15 Differential ADC Channel Pairs with Programmable Gain (1x, 8x, 20x, 32x).
- Programmable Watchdog Timer with Separate On-chip Oscillator.
- Special Microcontroller Features.
- debugWIRE On-chip Debug System.
- In-System Programmable via SPI Port.
- External and Internal Interrupt Sources.
- Low Power Idle, ADC Noise Reduction, and Power-down Modes.
- Enhanced Power-on Reset Circuit.
- Programmable Brown-out Detection Circuit.
- Internal Calibrated Oscillator.
- 20-pin PDIP, 20-pin SOIC and 32-pad MLF.
Industrial Temperature Range
- Active Mode: 1 MHz, 1.8V: 380 A.
- Power-down Mode: 0.1 A at 1.8V.
The ATtiny461 provides the following features: 4K byte of In-System Programmable Flash, 256 bytes EEPROM, 256 bytes SRAM, 6 general purpose I/O lines, 32 general purpose working registers, one 8-bit Timer/Counter with compare modes, one 8-bit high speed Timer/Counter, Universal Serial Interface, Internal and External Interrupts, a 4-channel, 10-bit ADC, a programmable Watchdog Timer with internal Oscillator, and three software selectable power saving modes. The Idle mode stops the CPU while allowing the SRAM, Timer/Counter, ADC, Analog Comparator, and Interrupt system to continue functioning. The Power-down mode saves the register contents, disabling all chip functions until the next Interrupt or Hardware Reset. The ADC Noise Reduction mode stops the CPU and all I/O modules except ADC, to minimize switching noise during ADC conversions.
All of the AVRs 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction (executed in one clock cycle). The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC (Microchip PIC) microcontrollers.
http:// /dyn/resources/prod_documents/doc2588.pdf
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