ATMEGA644P-20PU

MCU 2,7-5,5V 64K Flash 20MHz D

» Long lead time reported on this product.

ATMEGA644P-20PU / MCU 2,7-5,5V 64K Flash 20MHz D (ATMEGA644P-20PU / ATMEL)

High-performance, Low-power AVR® 8-bit Microcontroller
Advanced RISC Architecture
- 131 Powerful Instructions - Most Single-clock Cycle Execution
- 32 x 8 General Purpose Working Registers
- Fully Static Operation
- Up to 20 MIPS Throughput at 20 MHz
- On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
- 16/32/64K Bytes of In-System Self-programmable Flash program memory
- 512B/1K/2K Bytes EEPROM
- 1/2/4K Bytes 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
JTAG (IEEE std. 1149.1 Compliant) Interface
- Boundary-scan Capabilities According to the JTAG Standard
- Extensive On-chip Debug Support
- Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
Peripheral Features
- Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
- One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
- Real Time Counter with Separate Oscillator
- Six PWM Channels
- 8-channel, 10-bit ADC
Differential mode with selectable gain at 1x, 10x or 200x
- Byte-oriented Two-wire Serial Interface
- Two Programmable Serial USART
- Master/Slave SPI Serial Interface
- Programmable Watchdog Timer with Separate On-chip Oscillator
- On-chip Analog Comparator
- Interrupt and Wake-up on Pin Change
Special Microcontroller Features
- Power-on Reset and Programmable Brown-out Detection
- Internal Calibrated RC Oscillator
- External and Internal Interrupt Sources
- Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and
Extended Standby
I/O and Packages
- 32 Programmable I/O Lines
- 40-pin PDIP, 44-lead TQFP, 44-pad VQFN/QFN/MLF (ATmega164P/324P/644P)
- 44-pad DRQFN (ATmega164P)
Operating Voltages
- 1.8 - 5.5V for ATmega164P/324P/644PV
- 2.7 - 5.5V for ATmega164P/324P/644P
Speed Grades
- ATmega164P/324P/644PV: 0 - 4MHz @ 1.8 - 5.5V, 0 - 10MHz @ 2.7 - 5.5V
- ATmega164P/324P/644P: 0 - 10MHz @ 2.7 - 5.5V, 0 - 20MHz @ 4.5 - 5.5V
Power Consumption at 1 MHz, 1.8V, 25°C for ATmega164P/324P/644PV
- Active: 0.4 mA
- Power-down Mode: 0.1μA
- Power-save Mode: 0.6μA (Including 32 kHz RTC)

Manufacturer partno	ATMEGA644P-20PU
RoHS	yes
Manufacturer	ATMEL, MICROCHIP (ATMEL)
Case	DIP40
Family	ATmega, ATMEGA
Mounting	THT
Operating voltage	1.8...5.5V
Operating temperature	-40...85°C
Type of integrated circuit	AVR microcontroller
Supply voltage	1.8...5.5V, 1.8...5.5V DC
Interface	I2C, JTAG, UART x2, SPI x3
Integrated circuit features	QTouch x16, 32kHz resonator for RTC, watchdog, picoPower mode, 32kHz resonator for RTC, picoPower mode
SRAM memory capacity	4kB
Number of 8bit timers	2
Number of 16bit timers	1
Clock frequency	20MHz
EEPROM memory capacity	2kB, 2048B
Flash memory capacity	64kB
Number of PWM channels	6
Operating frequency	20MHz
Number of external interrupts	32
Number of output compare channels	6
Number of comparators	1
Number of 10bit A/D converters	8
Number of input capture channels	1
Number of capacitive channels	16
Number of external interrupts	32
Number of output compare channels	6
Number of input capture channels	1

Extended distributor/manufacturer information (EU Regulation 2023/988)

Trade name: HESTORE Hungary Ltd
Postal address: Cziraki street 26-32, Budapest, H1163
Electronic address: https://www.hestore.hu/

Part.No: 100.281.10

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Quantity (pcs):

Unit price excl. VAT

1+	3 477 Ft
5+	3 175 Ft
10+	3 101 Ft
20+	3 036 Ft
50+	2 950 Ft

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