ATTINY461A 查看數據表（PDF） - Atmel Corporation

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ATTINY461A

8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash

Atmel Corporation 

ATtiny261A/461A/861A

The ATtiny261A/461A/861A provides the following features: 2/4/8K byte of In-System Program-

mable Flash, 128/256/512 bytes EEPROM, 128/256/512 bytes SRAM, 16 general purpose I/O

lines, 32 general purpose working registers, an 8-bit Timer/Counter with compare modes, an 8-

bit high speed Timer/Counter, a Universal Serial Interface, Internal and External Interrupts, an

11-channel, 10-bit ADC, a programmable Watchdog Timer with internal oscillator, and four soft-

ware selectable power saving modes. Idle mode stops the CPU while allowing the SRAM,

Timer/Counter, ADC, Analog Comparator, and Interrupt system to continue functioning. Power-

down mode saves the register contents, disabling all chip functions until the next Interrupt or

Hardware Reset. ADC Noise Reduction mode stops the CPU and all I/O modules except ADC,

to minimize switching noise during ADC conversions. In Standby mode, the crystal/resonator

oscillator is running while the rest of the device is sleeping, allowing very fast start-up combined

with low power consumption.

The device is manufactured using Atmel’s high density non-volatile memory technology. The

On-chip ISP Flash allows the Program memory to be re-programmed In-System through an SPI

serial interface, by a conventional non-volatile memory programmer or by an On-chip boot code

running on the AVR core.

The ATtiny261A/461A/861A AVR is supported by a full suite of program and system develop-

ment tools including: C Compilers, Macro Assemblers, Program Debugger/Simulators, and

Evaluation kits.

5

8197CS–AVR–05/11

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