ATMEGA168PA-MMHR Microchip Technology ATMEGA168PA-MMHR is an 8-bit AVR ATmega microcontroller with 16KB Flash, 1KB RAM, 512B EEPROM, and 23 I/O lines in a 28-VQFN package.
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ATMEGA168PA-MMHR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
Microchip Technology ATMEGA168PA-MMHR is an 8-bit AVR ATmega microcontroller with 16KB Flash, 1KB RAM, 512B EEPROM, and 23 I/O lines in a 28-VQFN package.
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ATMEGA168PA-MMHR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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EEPROM Size
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Oscillator Type
Peripherals
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Program Memory Type
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ATMEGA168PA-MMHR Description

Short technical summary and product information.

The ATMEGA168PA-MMHR is an 8-bit AVR ATmega microcontroller from Microchip Technology, featuring a high-performance RISC architecture with 131 instructions, most executed in a single clock cycle. It operates at up to 20 MHz, delivering up to 20 MIPS throughput.

 

The device includes 16KB of in-system self-programmable Flash memory, 1KB of SRAM, and 512B of EEPROM with high endurance (10,000 write/erase cycles for Flash, 100,000 for EEPROM). It offers 23 general-purpose I/O lines, along with connectivity options including I2C, SPI, and USART. On-chip peripherals include two 8-bit timers, one 16-bit timer, six PWM channels, an 8-channel 10-bit ADC, brown-out detection, power-on reset, and a watchdog timer.

 

The microcontroller is housed in a 28-VFQFN exposed pad package (28-VQFN 4x4mm) and supports a supply voltage range of 1.8V to 5.5V. It is designed for surface mount assembly and operates over an industrial temperature range of -40°C to +85°C.

ATMEGA168PA-MMHR Quick Information

Product Type: Microcontroller
Series: ATmega168PA
Canonical Name: Microchip Technology ATMEGA168PA-MMHR AVR ATmega 8-bit Microcontroller
Subcategory: 8-bit Microcontroller

ATMEGA168PA-MMHR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA168PA-MMHR Features

  • 8-bit AVR RISC architecture at 20MHz.
  • 16KB in-system self-programmable Flash memory.
  • 1KB SRAM and 512B EEPROM on-chip.
  • 23 general-purpose I/O lines available.
  • I2C, SPI, and USART serial communication interfaces.

ATMEGA168PA-MMHR Applications

  • Ideal for embedded control and automation systems.
  • Used in sensor interfacing and data acquisition.
  • Suitable for motor control with PWM outputs.
  • Applicable in low-power battery-operated devices.

ATMEGA168PA-MMHR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA168PA-MMHR?

The operating voltage range is 1.8V to 5.5V.

What package does the ATMEGA168PA-MMHR come in?

It comes in a 28-VFQFN Exposed Pad package, also known as 28-VQFN (4x4mm).

What is the operating temperature range of the ATMEGA168PA-MMHR?

The operating temperature range is -40°C to +85°C.

Is the ATMEGA168PA-MMHR RoHS compliant?

Yes, it is listed as RoHS3 Compliant.

How much Flash memory does the ATMEGA168PA-MMHR have?

It has 16KB of Flash program memory.

What is the maximum clock speed of the ATMEGA168PA-MMHR?

The maximum clock speed is 20 MHz.

How many I/O pins does the ATMEGA168PA-MMHR have?

It has 23 I/O pins.

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