Peripheral Overview

The following table shows the peripheral overview of the entire AVR® DA family. Further documentation describes only the AVR32DA28/32/48 devices.

Table 1. Peripheral Overview
Feature

AVR128DA28 AVR64DA28 AVR32DA28

AVR128DA32 AVR64DA32 AVR32DA32

AVR128DA48 AVR64DA48 AVR32DA48

AVR128DA64 AVR64DA64

Pins

28

32

48

64

Max. Frequency (MHz) 24 24 24 24
16-bit Timer/Counter type A (TCA) 1 1 2 2
16-bit Timer/Counter type B (TCB) 3 3 4 5
12-bit Timer/Counter type D (TCD) 1 1 1 1
Real-Time Counter (RTC) 1 1 1 1
USART 3 3 5 6
SPI 2 2 2 2
TWI/I2C 1(1) 2(1) 2(1) 2(1)
12-bit Differential ADC (channels) 1 (10) 1 (14) 1 (18) 1 (22)
10-bit DAC (outputs) 1(1) 1(1) 1(1) 1(1)
Analog Comparator (AC) 3 3 3 3
Zero-Cross Detectors (ZCD) 1 1 2 3
Peripheral Touch Controller (PTC) (self-cap/mutual cap channels) 1

(18/81)

1

(22/121)

1

(32/256)

1

(46/529)

Configurable Custom Logic (CCL) 1(4) 1(4) 1(6) 1(6)
Watchdog Timer (WDT) 1 1 1 1
Event System channels 8 8 10 10
General Purpose I/O(2) 23(2) 27(2) 41(2) 55(2)
PORT PA[7:0], PC[3:0], PD[7:0], PF[6,1,0] PA[7:0], PC[3:0], PD[7:0],PF[6:0] PA[7:0], PB[5:0], PC[7:0], PD[7:0], PE[3:0], PF[6:0] PA[7:0], PB[7:0], PC[7:0], PD[7:0], PE[7:0], PF[6:0], PG[7:0]
External Interrupts 23 27 41 55
CRCSCAN 1 1 1 1
Unified Program and Debug Interface (UPDI) 1 1 1 1
Notes:
  1. 1.The TWI/I2C can operate simultaneously as host and client on different pins.
  2. 2.PF6/RESET pin is input-only.