ATMEGA48-20PU DIP-28

Microcontroller based on the AVR RISC architecture.

Max CPU operating frequency: 20MHz
Flash: 4kB
RAM: 512B
EEPROM: 256B

Features

* Atmel® QTouch® library support
- Capacitive touch buttons, sliders and wheels
- QTouch and QMatrix® acquisition
- Up to 64 sense channels

* Two 8-bit timer/counters with separate prescaler and compare mode
* One 16-bit timer/counter with separate prescaler, compare mode, and capture mode
* Real time counter with separate oscillator
* Six PWM channels
* 6-channel 10-bit ADC
* 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
* DebugWIRE on-chip debug system
* Power-on reset and programmable brown-out detection
* Internal calibrated oscillator
* External and internal interrupt sources
* Five sleep modes: Idle, ADC noise reduction, power-save, power-down, and standby

* 23 programmable I/O lines
* Speed grade: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V
* Temperature Range: Industrial (-40° to +85°C)