Peripheral Summary

Table 1. Peripheral Summary
  ATtiny1616 ATtiny3216
Pins 20 20
SRAM 2 KB 2 KB
Flash 16 KB 32 KB
EEPROM 256B 256B
Max. frequency (MHz) 20 20
16-bit Timer/Counter type A (TCA) 1 1
16-bit Timer/Counter type B (TCB) 2 2
12-bit Timer/Counter type D (TCD) 1 1
Real-Time Counter (RTC) 1 1
USART 1 1
SPI 1 1
TWI (I2C) 1 1
ADC 2 2
ADC channels 12+8 12+8
DAC 3 3
AC 3 3
Peripheral Touch Controller (PTC)(1) 1 1
PTC number of self capacitance channels(1) 12XY 12XY
PTC number of mutual capacitance channels(1) 36 36
Configurable Custom Logic 1 1
Window Watchdog 1 1
Event System channels 6 6
General purpose I/O 18 18
External interrupts 18 18
CRCSCAN 1 1
Note:
  1. 1.The PTC takes control over the ADC0 while the PTC is used.