ATTINY2313 查看數據表（PDF） - Atmel Corporation

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ATTINY2313

8-bit AVR® Microcontroller with 2K Bytes In-System Programmable Flash

Atmel Corporation 

The AVR core combines a rich instruction set with 32 general purpose working registers. All the

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 con-

ventional CISC microcontrollers.

The ATtiny2313 provides the following features: 2K bytes of In-System Programmable Flash,

128 bytes EEPROM, 128 bytes SRAM, 18 general purpose I/O lines, 32 general purpose work-

ing registers, a single-wire Interface for On-chip Debugging, two flexible Timer/Counters with

compare modes, internal and external interrupts, a serial programmable USART, Universal

Serial Interface with Start Condition Detector, 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/Counters, and interrupt system to continue functioning. The

Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip

functions until the next interrupt or hardware reset. In Standby mode, the crystal/resonator Oscil-

lator is running while the rest of the device is sleeping. This allows 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 reprogrammed In-System through an SPI

serial interface, or by a conventional non-volatile memory programmer. By combining an 8-bit

RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel ATtiny2313

is a powerful microcontroller that provides a highly flexible and cost effective solution to many

embedded control applications.

The ATtiny2313 AVR is supported with a full suite of program and system development tools

including: C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators,

and Evaluation kits.

4 ATtiny2313

2543L–AVR–08/10

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