میکروکنترلر 8 بیت اتمل با فلش 8 کیلو بایت و فرکانس 16 مگاهرتز- 8Bit Microcontroller with 8K Bytes In-System Programmable Flash TQFP-32 ,ATMEL ATMEGA8A-AU/اتمگا8/میکروAVR
ATMEGA8A-AU
میکروکنترلر 8 بیت اتمل
8Bit Microcontroller with 8K Bytes In-System
Programmable Flash
TQFP-32 ,ATMEL
میکروکنترلر اتمل
دریافت کتابخانه( ALITUM DESIGNER )
مشخصات بیشتر:
امکانات Features |
ATMEGA |
(ATMEGA(L |
(ATMEGA(A |
VCC |
4.5-5.5V |
2.7-5.5V |
2.7-5.5V |
FREQUENCY |
0-16MHZ |
0-8MHZ |
0-16MHZ |
FLASH |
8Kbyte |
8Kbyte |
8Kbyte |
EEPROM |
512Byte |
512Byte |
512Byte |
SRAM |
1Kbyte |
1Kbyte |
1Kbyte |
TIMER-COUNTER |
TWO 8Bit ONE 16Bit |
TWO 8Bit ONE 16Bit |
TWO 8Bit ONE 16Bit |
PWM |
3 |
3 |
3 |
(ADC (10 BIT |
8channel |
8channel |
8channel |
SPI |
1 |
1 |
1 |
I2C |
1 |
1 |
1 |
UART |
1 |
1 |
1 |
SLEEP MODE |
5 |
5 |
5 |
WATCHDOG |
YES |
YES |
YES |
RTC |
پشتیبانی میکند |
پشتیبانی میکند |
پشتیبانی میکند |
PLL |
- |
- |
- |
DMA |
- |
- |
- |
DAC |
- |
- |
- |
Introduction
The Atmel® ATmega8A is a low-power CMOS 8-bit microcontroller based on
the AVR® enhanced RISC architecture. By executing powerful instructions in
a single clock cycle, the ATmega8A achieves throughputs close to 1MIPS
per MHz. This empowers system designer to optimize the device for power
consumption versus processing speed.
Features
• High-performance, Low-power Atmel AVR 8-bit Microcontroller
• Advanced RISC Architecture
– 130 Powerful Instructions - Most Single-clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16MIPS Throughput at 16MHz
– On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory segments
– 8KBytes of In-System Self-programmable Flash program
memory
– 512Bytes EEPROM
– 1KByte Internal SRAM
– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
– Data retention: 20 years at 85°C/100 years at 25°C(1)
– Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
– Programming Lock for Software Security
• Atmel QTouch® library support
– Capacitive touch buttons, sliders and wheels
– Atmel QTouch and QMatrix acquisition
– Up to 64 sense channels
• Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler, one Compare
Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
– Real Time Counter with Separate Oscillator
– Three PWM Channels
– 8-channel ADC in TQFP and QFN/MLF package
• Eight Channels 10-bit Accuracy
– 6-channel ADC in PDIP package
• Six Channels 10-bit Accuracy
– Byte-oriented Two-wire Serial Interface
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
• Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated RC Oscillator
– External and Internal Interrupt Sources
– Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
• I/O and Packages
– 23 Programmable I/O Lines
– 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF
• Operating Voltages
– 2.7 - 5.5V
• Speed Grades
– 0 - 16MHz
• Power Consumption at 4MHz, 3V, 25°C
– Active: 3.6mA
– Idle Mode: 1.0mA
– Power-down Mode: 0.5μA
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