# ATMEGA644-20AU (Component) ## Description ATMEGA644-20AU TQFP-44_L10.0-W10.0-P0.80-BL LCSC Part Number: C1337213 JLCPCB Part Class: Extended Part Manufactured by MICROCHIP(美国微芯) ## Component Details - **Owner:** lcsc - **Created:** 11/8/2024 - **Last Updated:** 11/8/2024 - **Visibility:** Public - **Manufacturer Name:** MICROCHIP(美国微芯) - **LCSC Part Number:** C1337213 - **Package or Case Code:** TQFP-44_L10.0-W10.0-P0.80-BL - **JLCPCB Part Class:** Extended Part - **Manufacturer Part Number:** ATMEGA644-20AU - **Used in:** 1 project - **Manufacturer:** Microchip - **MPN:** ATMEGA644-20AU - **Mount Type:** PCB - **Package / Case Code:** 44-TQFP - **Pin Count:** 44 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | (PCINT13/MOSI)PB5 | | | 2 | (PCINT14/MISO)PB6 | | | 3 | (PCINT15/SCK)PB7 | | | 4 | ~{RESET} | | | 5 | VCC | | | 6 | GND | | | 7 | XTAL2 | | | 8 | XTAL1 | | | 9 | (PCINT24/RXD0)PD0 | | | 10 | (PCINT25/TXD0)PD1 | | | 11 | (PCINT26/INT0)PD2 | | | 12 | (PCINT27/INT1)PD3 | | | 13 | (PCINT28/OC1B)PD4 | | | 14 | (PCINT29/OC1A)PD5 | | | 15 | (PCINT30/OC2B/ICP)PD6 | | | 16 | (PCINT31/OC2A)PD7 | | | 17 | VCC | | | 18 | GND | | | 19 | (PCINT16/SCL)PC0 | | | 20 | (PCINT17/SDA)PC1 | | | 21 | (PCINT18/TCK)PC2 | | | 22 | (PCINT19/TMS)PC3 | | | 23 | PC4(TDO/PCINT20) | | | 24 | PC5(TDI/PCINT21) | | | 25 | PC6(TOSC1/PCINT22) | | | 26 | PC7(TOSC2/PCINT23) | | | 27 | AVCC | | | 28 | GND | | | 29 | AREF | | | 30 | PA7(ADC7/PCINT7) | | | 31 | PA6(ADC6/PCINT6) | | | 32 | PA5(ADC5/PCINT5) | | | 33 | PA4(ADC4/PCINT4) | | | 34 | PA3(ADC3/PCINT3) | | | 35 | PA2(ADC2/PCINT2) | | | 36 | PA1(ADC1/PCINT1) | | | 37 | PA0(ADC0/PCINT0) | | | 38 | VCC | | | 39 | GND | | | 40 | PB0(XCK0/T0/PCINT8) | | | 41 | PB1(T1/CLKO/PCINT9) | | | 42 | PB2(AIN0/INT2/PCINT10) | | | 43 | PB3(AIN1/OC0A/PCINT11) | | | 44 | ~{PB4(SS}/OC0B/PCINT12) | | --- *Generated from [https://www.flux.ai/lcsc/atmega644-20au](https://www.flux.ai/lcsc/atmega644-20au)*