2 Peripheral Overview

The following table shows the peripheral overview of the entire AVR® DA family. Further documentation describes only the AVR64DA28/32/48/64 devices.

Table 2-2. Peripheral Overview
Feature

AVR128DA28 AVR64DA28 AVR32DA28

AVR128DA32 AVR64DA32 AVR32DA32

AVR128DA48 AVR64DA48 AVR32DA48

AVR128DA64 AVR64DA64

Pins

28

32

48

64

Max. Frequency (MHz)24242424
16-bit Timer/Counter type A (TCA)1122
16-bit Timer/Counter type B (TCB)3345
12-bit Timer/Counter type D (TCD)1111
Real-Time Counter (RTC)1111
USART3356
SPI2222
TWI/I2C1(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)3333
Zero-Cross Detectors (ZCD)1123
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)1111
Event System channels881010
General Purpose I/O(2)23(2)27(2)41(2)55(2)
PORTPA[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 Interrupts23274155
CRCSCAN1111
Unified Program and Debug Interface (UPDI) 1111
Note:
  1. The TWI/I2C can operate simultaneously as host and client on different pins.
  2. PF6/RESET pin is input-only.