Datasheet

– Master/Slave Serial Interface (SPI)
– Byte-oriented Two-Wire serial Interface (TWI), Philips I
2
C compatible
– Programmable Watchdog Timer (WDT) with separate on-chip oscillator
– On-chip Analog Comparator (AC)
– Interrupt and Wake-up on pin change
• 256-channel capacitive touch and proximity sensing
• Special microcontroller features
– Power-On Reset (POR) and programmable brown-out detection (BOD)
– Internal calibrated oscillator
– External and internal interrupt sources
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-Save, Power-Down, Standby, and Extended
Standby
– Unique device ID
• I/O
– 27 programmable I/O pins
• Packages
– 32-pin TQFP, VFQFN
• Operating voltage
– 1.8V – 5.5V
• Temperature range
– -40°C to 105°C
• Speed grades
– 0 - 4MHz at 1.8-5.5V
– 0 - 10MHz at 2.7-5.5.V
– 0 - 20MHz at 4.5-5.5V
• Power consumption at 1MHz, 1.8V, 25°C
– Active mode: 0.35mA
– Power-down mode: 0.23μA
– Power-save mode: <1.4μA (including 32kHz RTC)
ATmega48PB/88PB/168PB
© 2017 Microchip Technology Inc.
Datasheet Summary
DS40001910A-page 2