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AVR® DB Family

AVR128DB64 AVR128DB48 AVR128DB32 AVR128DB28

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9 GPR - General Purpose Registers
9.2 Register Description

Introduction
AVR® DB Family Overview
Features
1 Block Diagram
2 Pinout
3 I/O Multiplexing and Considerations
4 Hardware Guidelines
5 Power Supply
6 Conventions
7 AVR® CPU
8 Memories
9 GPR - General Purpose Registers
- 9.1 Register Summary
- 9.2 Register Description
  - 9.2.1 General Purpose Register n
    General Purpose Register n
10 Peripherals and Architecture
11 NVMCTRL - Nonvolatile Memory Controller
12 CLKCTRL - Clock Controller
13 SLPCTRL - Sleep Controller
14 RSTCTRL - Reset Controller
15 CPUINT - CPU Interrupt Controller
16 EVSYS - Event System
17 PORTMUX - Port Multiplexer
18 PORT - I/O Pin Configuration
19 MVIO - Multi-Voltage I/O
20 BOD - Brown-out Detector
21 VREF - Voltage Reference
22 WDT - Watchdog Timer
23 TCA - 16-bit Timer/Counter Type A
24 TCB - 16-Bit Timer/Counter Type B
25 TCD - 12-Bit Timer/Counter Type D
26 RTC - Real-Time Counter
27 USART - Universal Synchronous and Asynchronous Receiver and Transmitter
28 SPI - Serial Peripheral Interface
29 TWI - Two-Wire Interface
30 CRCSCAN - Cyclic Redundancy Check Memory Scan
31 CCL - Configurable Custom Logic
32 AC - Analog Comparator
33 ADC - Analog-to-Digital Converter
34 DAC - Digital-to-Analog Converter
35 OPAMP - Analog Signal Conditioning
36 ZCD - Zero-Cross Detector
37 UPDI - Unified Program and Debug Interface
38 Instruction Set Summary
39 Electrical Characteristics
40 Characteristics Graphs
41 Ordering Information
42 Package Drawings
43 Data Sheet Revision History
Microchip Information

9.2 Register Description

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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