ATMEGA644P-20PU DIP-40
Art no: 40360645
Microchip - ATMega644P-20PU
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Product description
Product description
Microcontroller based on the AVR RISC architecture.
Max CPU operating frequency: 20MHz
Flash: 64kB
RAM: 4kB
EEPROM: 2kB
Features
* 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
* 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
* 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
* 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
* 32 Programmable I/O Lines
* Speed Grades: 0 - 10 MHz @ 2.7V - 5.5V, 0 - 20 MHz @ 4.5V - 5.5V
* Temperature Range: Industrial (-40° to +85°C)
Max CPU operating frequency: 20MHz
Flash: 64kB
RAM: 4kB
EEPROM: 2kB
Features
* 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
* 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
* 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
* 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
* 32 Programmable I/O Lines
* Speed Grades: 0 - 10 MHz @ 2.7V - 5.5V, 0 - 20 MHz @ 4.5V - 5.5V
* Temperature Range: Industrial (-40° to +85°C)
Documents
Technical data
Attribute | Value |
---|---|
Adc
|
8
|
Architecture
|
8-bit
|
Case
|
DIP-40
|
Clock
|
20 MHz
|
Eeprom
|
2
|
Family
|
AVRMega
|
Flash
|
64
|
Gpio
|
32
|
I2c
|
1
|
Pwm
|
6
|
Ram
|
4
|
Spi
|
1
|
Supply-voltage-max
|
5.5 V
|
Supply-voltage-min
|
2.7 V
|
Timers
|
3
|
Uart
|
2
|
SKU:
40360645MPN:
ATMega644P-20PU