AVR64DA28/32/48/64

Introduction
AVR® DA(S) Family Overview
Features
1 Block Diagram
2 Pinout
3 I/O Multiplexing and Considerations
4 Hardware Guidelines
5 Conventions
6 AVR® CPU
7 Memories
8 Peripherals and Architecture
9 GPR - General Purpose Registers
10 NVMCTRL - Nonvolatile Memory Controller
11 CLKCTRL - Clock Controller
12 SLPCTRL - Sleep Controller
13 RSTCTRL - Reset Controller
14 CPUINT - CPU Interrupt Controller
15 EVSYS - Event System
16 PORTMUX - Port Multiplexer
17 PORT - I/O Pin Configuration
18 BOD - Brown-out Detector
19 VREF - Voltage Reference
20 WDT - Watchdog Timer
21 TCA - 16-bit Timer/Counter Type A
- 21.1 Features
- 21.2 Overview
- 21.3 Functional Description
- 21.4 Register Summary - Single Mode
- 21.5 Register Description - Single Mode
- 21.6 Register Summary - Split Mode
- 21.7 Register Description - Split Mode
  - 21.7.1 Control A - Split Mode
    Control A - Split Mode
  - 21.7.2 Control B - Split Mode
    Control B - Split Mode
  - 21.7.3 Control C - Split Mode
    Control C - Split Mode
  - 21.7.4 Control D - Split Mode
    Control D - Split Mode
  - 21.7.5 Control Register E Clear - Split Mode
    Control Register E Clear - Split Mode
  - 21.7.6 Control Register E Set - Split Mode
    Control Register E Set - Split Mode
  - 21.7.7 Interrupt Control Register - Split Mode
    Interrupt Control Register - Split Mode
  - 21.7.8 Interrupt Flag Register - Split Mode
    Interrupt Flag Register - Split Mode
  - 21.7.9 Debug Control Register - Split Mode
    Debug Control Register - Split Mode
  - 21.7.10 Low Byte Timer Counter Register - Split Mode
    Low Byte Timer Counter Register - Split Mode
  - 21.7.11 High Byte Timer Counter Register - Split Mode
    High Byte Timer Counter Register - Split Mode
  - 21.7.12 Low Byte Timer Period Register - Split Mode
    Low Byte Timer Period Register - Split Mode
  - 21.7.13 High Byte Period Register - Split Mode
    High Byte Period Register - Split Mode
  - 21.7.14 Compare Register n For Low Byte Timer - Split Mode
    Compare Register n For Low Byte Timer - Split Mode
  - 21.7.15 High Byte Compare Register n - Split Mode
    High Byte Compare Register n - Split Mode
22 TCB - 16-Bit Timer/Counter Type B
23 TCD - 12-Bit Timer/Counter Type D
24 RTC - Real-Time Counter
25 USART - Universal Synchronous and Asynchronous Receiver and Transmitter
26 SPI - Serial Peripheral Interface
27 TWI - Two-Wire Interface
28 CRCSCAN - Cyclic Redundancy Check Memory Scan
29 CCL - Configurable Custom Logic
30 AC - Analog Comparator
31 ADC - Analog-to-Digital Converter
32 DAC - Digital-to-Analog Converter
33 PTC - Peripheral Touch Controller
34 ZCD - Zero-Cross Detector
35 UPDI - Unified Program and Debug Interface
36 Instruction Set Summary
37 Electrical Characteristics
38 Characteristics Graphs
39 Ordering Information
40 Package Drawings
41 Data Sheet Revision History
Microchip Information