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ATMEGA164P-20AU

Part Number: ATMEGA164P-20AU
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA164P-20AU
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Description: MCU, 8-Bit 16KB Flash 20MHz 3.3/5V TQFP-44 | Microchip Technology Inc. ATMEGA164P-20AU

04/24/2026 – There are 515 pieces pieces of Part Number ATMEGA164P-20AU Available.

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MCU, 8-Bit 16KB Flash 20MHz 3.3/5V TQFP-44 | Microchip Technology Inc. ATMEGA164P-20AU

Specifications

TYPE DESCRIPTION
Case/Package A
Contact Plating Tin
Mount Surface Mount
Number of Pins 44
Access Time 20 µs
Core Architecture AVR
Data Bus Width 8 b
Density 128 kb
Frequency 20 MHz
Interface 2-Wire, I2C, SPI, UART, USART
Max Frequency 20 MHz
Max Operating Temperature 85 °C
Max Supply Voltage 5.5 V
Memory Size 16 kB
Memory Type FLASH
Min Operating Temperature -40 °C
Min Supply Voltage 2.7 V
Number of ADC Channels 8
Number of Bits 8
Number of I2C Channels 1
Number of I/Os 32
Number of Programmable I/O 32
Number of PWM Channels 6
Number of SPI Channels 1
Number of Timers/Counters 3
Oscillator Type Internal
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
RAM Size 1 kB
Schedule B 8542310000
Watchdog Timer Yes
Height 1.05 mm
Length 10.1 mm
Width 10.1 mm

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