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| Manufacturer | Microchip Technology |
|---|---|
| Manufacturer's Part Number | ATMEGA644P-20AUR |
| Description | MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: TQFP; Package Shape: SQUARE; |
| Datasheet | ATMEGA644P-20AUR Datasheet |
| NAME | DESCRIPTION |
|---|---|
| Minimum Supply Voltage: | 4.5 V |
| Package Body Material: | PLASTIC/EPOXY |
| Integrated Cache: | NO |
| Maximum Time At Peak Reflow Temperature (s): | 40 |
| Sub-Category: | Microcontrollers |
| Surface Mount: | YES |
| On Chip Data RAM Width: | 8 |
| Address Bus Width: | 0 |
| Screening Level: | TS 16949 |
| Technology: | CMOS |
| Maximum Clock Frequency: | 20 MHz |
| Package Shape: | SQUARE |
| Terminal Form: | GULL WING |
| Package Code: | TQFP |
| Moisture Sensitivity Level (MSL): | 3 |
| No. of External Interrupts: | 3 |
| Bit Size: | 8 |
| DAC Channels: | YES |
| Qualification: | Not Qualified |
| Package Equivalence Code: | TQFP44,.39SQ,31 |
| Digital To Analog Convertors: | 1-Ch 10-Bit |
| PWM Channels: | YES |
| Additional Features: | OPERATES AT 2.7V MINIMUM SUPPLY AT 10 MHz |
| Connectivity: | SPI, TWI, USART(2) |
| Peak Reflow Temperature (C): | 260 |
| ROM Programmability: | FLASH |
| Analog To Digital Convertors: | 8-Ch 10-Bit |
| Terminal Pitch: | .8 mm |
| CPU Family: | AVR RISC |
| Nominal Supply Voltage: | 5 V |
| Maximum Seated Height: | 1.2 mm |
| Maximum Supply Current: | 9 mA |
| Terminal Finish: | MATTE TIN |
| ADC Channels: | YES |
| No. of Terminals: | 44 |
| No. of Timers: | 3 |
| No. of Serial I/Os: | 2 |
| DMA Channels: | NO |
| Terminal Position: | QUAD |
| Format: | FIXED POINT |
| Package Style (Meter): | FLATPACK, THIN PROFILE |
| No. of I/O Lines: | 32 |
| JESD-30 Code: | S-PQFP-G44 |
| ROM Words: | 32768 |
| Maximum Operating Temperature: | 85 Cel |
| Width: | 10 mm |
| Data EEPROM Size: | 2048 |
| Speed: | 20 rpm |
| Peripheral IC Type: | MICROCONTROLLER, RISC |
| Maximum Supply Voltage: | 5.5 V |
| RAM Bytes: | 4096 |
| Low Power Mode: | YES |
| Boundary Scan: | YES |
| External Data Bus Width: | 0 |
| Peripherals: | ANALOG COMPARATOR, BOD, POR, PWM(6), RTC, TIMER(3), WDT |
| JESD-609 Code: | e3 |
| Minimum Operating Temperature: | -40 Cel |
| Length: | 10 mm |
| On Chip Program ROM Width: | 16 |
| Temperature Grade: | INDUSTRIAL |
| Power Supplies (V): | 3/5 |
