Peripheral Summary

Table 1. Peripheral Summary
  ATtiny202 ATtiny402
Pins 8 8
SRAM 128B 256B
Flash 2 KB 4 KB
EEPROM 64B 128B
Max. frequency (MHz) 20 20
16-bit Timer/Counter type A (TCA) 1 1
16-bit Timer/Counter type B (TCB) 1 1
12-bit Timer/Counter type D (TCD) No No
Real-Time Counter (RTC) 1 1
USART 1 1
SPI 1 1
TWI (I2C) 1 1
ADC 1 1
ADC channels 6 6
DAC No No
AC 1 1
AC inputs 1p/1n 1p/1n
Peripheral Touch Controller (PTC) No No
Configurable Custom Logic 1 1
Window Watchdog 1 1
Event System channels 3 3
General purpose I/O 6 6
External interrupts 6 6
CRCSCAN 1 1