ATMEGA164P-20MQR
- Mfr.Part #
- ATMEGA164P-20MQR
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 16KB FLASH 44VQFN
- Stock
- 40,121
- In Stock :
- 40,121
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Packaging :
- Tape and Reel (TR)
- Operating Temperature :
- -40°C~105°C TA
- Max Operating Temperature :
- 105°C
- RAM Size :
- 1K x 8
- Program Memory Size :
- 16KB 8K x 16
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Oscillator Type :
- Internal
- EEPROM Size :
- 512 x 8
- Factory Lead Time :
- 15 Weeks
- Max Supply Voltage :
- 5.5V
- Core Size :
- 8-Bit
- Core Architecture :
- AVR
- Program Memory Type :
- Flash
- Min Supply Voltage :
- 2.7V
- Memory Type :
- Flash
- Data Converters :
- A/D 8x10b
- Frequency :
- 20MHz
- Core Processor :
- AVR
- Data Converter :
- A/D 8x10b
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Memory Size :
- 16kB
- Series :
- AVR® ATmega
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Supplier Device Package :
- 44-VQFN (7x7)
- Speed :
- 20MHz
- Published :
- 1997
- Base Product Number :
- ATMEGA164
- Package / Case :
- 44-VFQFN Exposed Pad
- Data Bus Width :
- 8B
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Base Part Number :
- ATMEGA164P
- Interface :
- I2C, SPI, UART, USART
- Product Status :
- Obsolete
- Number of Pins :
- 44
- Min Operating Temperature :
- -40°C
- Number of I/O :
- 32
- Connectivity :
- I2C, SPI, UART/USART
- Datasheets
- ATMEGA164P-20MQR

Microcontrollers Microchip Technology ATMEGA164P-20MQR Overview
The Microcontrollers Microchip Technology ATMEGA164P-20MQR is a high-performance, low-power AVR 8-bit microcontroller that leverages Microchip's advanced RISC architecture. With 16KB of in-system self-programmable flash, this microcontroller is designed to support complex digital control systems with enhanced flexibility and reliability. Its robust feature set and compact 44-VQFN package make it particularly suitable for space-constrained applications requiring efficient power management and dependable processing capabilities. The versatility of the ATMEGA164P-20MQR makes it an ideal choice for industrial, consumer electronics, and automotive markets, where durable and scalable microcontroller solutions are crucial.
ATMEGA164P-20MQR Features
This microcontroller features a 16KB flash memory, a 512-byte EEPROM, and a 1KB SRAM, providing ample space for application code and data storage. It operates at up to 20 MHz and includes a comprehensive set of peripherals such as 35 general-purpose I/O lines, 32 general-purpose working registers, a real-time counter, three flexible timer/counters with compare modes, internal and external interrupts, a serial programmable USART, and a byte-oriented 2-wire serial interface. Advanced safety features include a watchdog timer with separate on-chip oscillator and a brown-out detector, ensuring robust operation in variable conditions.
ATMEGA164P-20MQR Applications
- Industrial Automation: Used in PLC systems and process control, the ATMEGA164P-20MQR provides the processing power needed for real-time decision making and control, enhancing operational efficiency and reliability.
- Automotive: Ideal for embedded control systems such as body control modules or small engine management systems, where its high integration reduces system complexity and improves reliability.
- Consumer Electronics: Powers consumer devices such as home appliances and personal gadgets, providing intelligent control and connectivity with minimal power consumption.
- Medical Devices: Utilized in small-scale medical monitoring devices, its low power consumption and high reliability ensure safe, continuous operation critical in healthcare applications.
- Power Management: Helps in developing smart energy solutions, such as smart meters and energy monitoring systems, leveraging its ability to process and control data efficiently.
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