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- Manufacturer No：ATMEGA644A-PU
- Manufacturer：Microchip
- Category：Embedded - Microcontrollers
- Datasheet：ATMEGA644A-PU
- SKU：556573
- Description：8-bit Microcontrollers - MCU 20 MHz Ind Temp
User Guide
User Guide
ATMEGA644A-PU Details
8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644A-PU Specification Parameters
- Part Status: Active
- Integrated Cache: NO
- Number of Serial I/Os: 2
- Mount: Through Hole
- Pbfree Code: yes
- Low Power Mode: YES
- JESD-609 Code: e3
- Contact Plating: Tin
- Number of ADC Channels: 8
- Factory Lead Time: 12 Weeks
- Number of Timers/Counters: 3
- Watchdog Timer: Yes
- Number of PWM Channels: 6
- Technology: CMOS
- Number of Pins: 40
- Supply Voltage-Max (Vsup): 5.5V
- Number of I/O: 32
- Program Memory Type: FLASH
- Frequency: 20MHz
- Subcategory: Microcontrollers
- Data Bus Width: 8b
- RAM Size: 4K x 8
- Voltage - Supply (Vcc/Vdd): 1.8V~5.5V
- Memory Size: 64kB
- Core Processor: AVR
- Supply Current-Max: 9mA
- Width: 13.97mm
- Series: AVR? ATmega
- Package / Case: 40-DIP (0.600, 15.24mm)
- Length: 52.58mm
- DMA Channels: NO
- RoHS Status: ROHS3 Compliant
- Mounting Type: Through Hole
- Number of I2C Channels: 1
- Has ADC: YES
- Boundary Scan: YES
- Moisture Sensitivity Level (MSL): Not Applicable
- Bit Size: 8
- Terminal Position: DUAL
- Packaging: Tube
- Number of External Interrupts: 3
- Qualification Status: Not Qualified
- Terminal Pitch: 2.54mm
- REACH SVHC: No SVHC
- Number of Terminations: 40
- Published: 2007
- Operating Temperature: -40°C~85°C TA
- Oscillator Type: Internal
- uPs/uCs/Peripheral ICs Type: MICROCONTROLLER, RISC
- Core Size: 8-Bit
- Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
- EEPROM Size: 2K x 8
- Data Converter: A/D 8x10b
- Connectivity: I2C, SPI, UART/USART
- Format: FIXED-POINT
- Interface: I2C, SPI, UART, USART
- Power Supplies: 2/5V
- Height: 4.445mm
- Program Memory Size: 64KB 32K x 16
- Base Part Number: ATMEGA644A
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Microchip — Manufacturer Introduction
Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.
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