ATMEGA48A-PU Microcontroller - 8-Bit DIP-28 AVR Microcontroller

ATMEGA48A-PU Microcontroller – 8-Bit DIP-28 AVR Microcontroller

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The ATmega48A-PU is  a  low  power,  CMOS  8-bit  microcontrollers  based  on  the AVR® enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve CPU through put approaching one million instructions per second (MIPS) per mega hertz, allowing the system designer to optimize power consumption versus processing speed.

Description

Features:-

1.High Performance, Low Power AVR® 8-Bit Microcontroller Family

2.Advanced RISC Architecture

̶ 131 Powerful Instructions – Most Single Clock Cycle Execution

̶ 32 x 8 General Purpose Working Registers

̶ Fully Static Operation

̶ Up to 20 MIPS Throughput at 20MHz

̶ On-chip 2-cycle Multiplier

3.High Endurance Non-volatile Memory Segments

̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory

̶ 256/512/512/1KBytes EEPROM

̶ 512/1K/1K/2KBytes Internal SRAM

̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

̶ Data retention: 20 years at 85°C/100 years at 25°C(1)

̶ Optional Boot Code Section with Independent Lock Bits

4.In-System Programming by On-chip Boot Program

5.True Read-While-Write Operation

̶ Programming Lock for Software Security

6.QTouch library support

̶ Capacitive touch buttons, sliders and wheels

̶ QTouch and QMatrix™ acquisition

̶ Up to 64 sense channels

7.Peripheral Features

̶ Two 8-bit Timer/Counters with Separate Pre scaler and Compare Mode

̶ One 16-bit Timer/Counter with Separate Pre scaler, Compare Mode, and Capture Mode

Real Time Counter with Separate Oscillator

̶ Six PWM Channels

̶ 8-channel 10-bit ADC in TQFP and VQFN package

8.Temperature Measurement

̶ 6-channel 10-bit ADC in SPDIP Package

9.Temperature Measurement

̶ Programmable Serial USART

̶ Master/Slave SPI Serial Interface

̶ Byte-oriented 2-wire Serial Interface (Philips I2C compatible)

̶ Programmable Watchdog Timer with Separate On-chip Oscillator

̶ On-chip Analog Comparator

̶ Interrupt and Wake-up on Pin Change

10. Special Microcontroller Features

̶ Power-on Reset and Programmable Brown-out Detection

̶ Internal Calibrated Oscillator

̶ External and Internal Interrupt Sources

̶ Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

11.I/O and Packages

̶ 23 Programmable I/O Lines

̶ 28-pin SPDIP, 32-lead TQFP, 28-pad VQFN and 32-pad VQFN

12.Operating Voltage:

̶ 1.8 – 5.5V

13.Temperature Range:

-40°C to 85°C

14.Speed Grade:

̶ 0 – 4MHz@1.8 – 5.5V, 0 – 10MHz@2.7 – 5.5.V, 0 – 20MHz @ 4.5 – 5.5V

15.Power Consumption at 1MHz, 1.8V, 25°C

̶ Active Mode: 0.2mA

̶   Power-down Mode: 0.1µA

• Power-save Mode: 0.75µA (Including 32kHz RTC)

Specifications:-

 

  • Series:ATmega48A
  • Mounting Style: Through Hole
  • Package/Case:PDIP-28
  • Core: AVR
  • Program Memory Size:4 kB
  • Data Bus Width:8 bit
  • ADC Resolution:10 bit
  • Maximum Clock Frequency:20 MHz
  • Number of I/Os:23 I/O
  • Data RAM Size:512 B
  • Supply Voltage - Min:1.8 V
  • Supply Voltage - Max:5.5 V
  • Minimum Operating Temperature:- 40 C
  • Maximum Operating Temperature:+ 85 C
  • Data RAM Type: SRAM
  • Data ROM Size:256 B
  • Data ROM Type: EEPROM
  • Interface Type:I2C, SPI, UART
  • Number of ADC Channels:8 Channel
  • Number of Timers/Counters:3 Timer
  • Processor Series: mega AVR
  • Product Type:8-bit Microcontrollers - MCU
  • Program Memory Type: Flash
  • Subcategory: Microcontrollers - MCU
  • Tradename: AVR

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