Microchip, 8bit AVR, ATtiny1616 Microcontroller, 20MHz, 16 kB Flash, 20-Pin SOIC

The ATtiny1616 is a microcontroller featuring the 8-bit AVR® processor with hardware multiplier - running at up to 20MHz and with 16 KB Flash, 2 KB SRAM and 128 bytes of EEPROM in 20-pin packages. The series uses the latest Core Independent Peripherals with low power features. Including Event System, intelligent analog and advanced peripherals. Capacitive touch interfaces with proximity sensing and driven shield are supported by the integrated QTouch® peripheral touch controller.

Hardware multiplier
Three sleep modes:
Idle
Standby
Power Down
Event System
Watchdog Timer (WDT)
Power-On Reset (POR)
Brown-Out Detection (BOD)
Single pin programming and debugging interface (UPDI)
12 Channel 10-bit ADC with Voltage Reference
Peripheral Touch Controller (PTC)
8-bit Digital to Analog Converter (DAC)
Comparators
Configurable Custom Logic (CCL)
1x 12-bit Timers (TCD)
2x 16-bit Timer (TCA / TCB)
Cyclical Redundancy Check (CRC/SCAN)
12 channels self-capacitance
36 mutual-capacitance buttons supported
SPI / I2C / USART