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- Manufacturer No：ATMEGA644P-20AU
- Manufacturer：Microchip
- Category：Embedded - Microcontrollers
- Datasheet：ATMEGA644P-20AU
- SKU：765939
- Description：MCU 8-bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP
User Guide
User Guide
ATMEGA644P-20AU Details
MCU 8-bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP
ATMEGA644P-20AU Specification Parameters
- Part Status: Active
- RoHS Status: ROHS3 Compliant
- Mount: Surface Mount
- Pbfree Code: yes
- Has ADC: YES
- Lead Free: Lead Free
- Bit Size: 8
- Supply Voltage: 5V
- Number of Timers/Counters: 3
- Number of PWM Channels: 6
- Technology: CMOS
- Peak Reflow Temperature (Cel): 260
- Time@Peak Reflow Temperature-Max (s): 40
- Factory Lead Time: 7 Weeks
- Operating Temperature: -40°C~85°C TA
- Program Memory Type: FLASH
- Number of Pins: 44
- Supply Voltage-Min (Vsup): 4.5V
- Frequency: 20MHz
- Subcategory: Microcontrollers
- Voltage - Supply (Vcc/Vdd): 2.7V~5.5V
- Address Bus Width: 8b
- RAM Size: 4K x 8
- Data Converter: A/D 8x10b
- Connectivity: I2C, SPI, UART/USART
- Core Processor: AVR
- Supply Current-Max: 9mA
- Width: 10.1mm
- Series: AVR? ATmega
- Density: 512 kb
- Interface: 2-Wire, I2C, SPI, UART, USART
- DMA Channels: NO
- Mounting Type: Surface Mount
- Number of I2C Channels: 1
- Radiation Hardening: No
- JESD-609 Code: e3
- Contact Plating: Tin
- Number of ADC Channels: 8
- Packaging: Tray
- Watchdog Timer: Yes
- Terminal Form: GULL WING
- REACH SVHC: No SVHC
- Moisture Sensitivity Level (MSL): 3 (168 Hours)
- Supply Voltage-Max (Vsup): 5.5V
- Number of I/O: 32
- Terminal Position: QUAD
- Number of Terminations: 44
- Oscillator Type: Internal
- Published: 1997
- uPs/uCs/Peripheral ICs Type: MICROCONTROLLER, RISC
- Core Size: 8-Bit
- Data Bus Width: 8b
- Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
- EEPROM Size: 2K x 8
- Memory Size: 64kB
- Height: 1.05mm
- Access Time: 20 μs
- Length: 10.1mm
- Package / Case: 44-TQFP
- Program Memory Size: 64KB 32K x 16
- Memory Type: EEPROM, FLASH
- Base Part Number: ATMEGA644P
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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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