2 Peripheral Overview

Table 2-1. Peripheral Overview

        Device

        ATtiny1624

        ATtiny1626

        ATtiny1627

Pins142024
PackageSOICSOIC,VQFNVQFN
Maximum frequency (MHz)202020
General purpose I/O121822
PORTPA[7:0], PB[3:0]PA[7:0], PB[5:0], PC[3:0]PA[7:0], PB[7:0], PC[5:0]
External interrupts121822
Event system channels666
CCL LUTs444
Real-Time Counter (RTC)111
16-bit Timer/Counter type A (TCA)111
16-bit Timer/Counter type B (TCB)222
12-bit Timer/Counter type D (TCD)---
USART/SPI master222
SPI111
TWI (I2C)111
ADC (channels)1 (9)1 (15)1 (15)
DAC ---
Analog Comparators (inputs)1 (4p/3n)1 (4p/3n)1 (4p/3n)
Peripheral Touch Controller (PTC) (self cap/mutual cap channels)---
Unified Program and Debug Interface (UPDI) activated by shared pin using high-voltage signal or fuse override111