Peripheral Summary

Table 1. Peripheral Summary
  ATtiny1614 ATtiny1616 ATtiny1617
Pins 14 20 24
SRAM 2KB 2KB 2KB
Flash 16KB 16KB 16KB
EEPROM 256B 256B 256B
Max. frequency (MHz) 20 20 20
16-bit Timer/Counter type A (TCA) 1 1 1
16-bit Timer/Counter type B (TCB) 2 2 2
12-bit Timer/Counter type D (TCD) 1 1 1
Real Time Counter (RTC) 1 1 1
USART 1 1 1
SPI 1 1 1
TWI (I2C) 1 1 1
ADC 2 2 2
ADC channels 10+4 12+8 12+12
DAC 3 3 3
AC 3 3 3
Peripheral Touch Controller (PTC)(1) 1 1 1
PTC number of self-capacitance channels(1) 6XY 12XY 14XY
PTC number of mutual-capacitance channels(1) 9 36 49
Custom Logic/Configurable Lookup Tables 1 1 1
Window Watchdog 1 1 1
Event System channels 6 6 6
General purpose I/O 12 18 22
External interrupts 12 18 22
CRCSCAN 1 1 1
Note:
  1. 1.The PTC takes control over the ADC0 while the PTC is used.