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AVR® DA Family

AVR128DA28 AVR128DA32 AVR128DA48 AVR128DA64

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27 TWI - Two-Wire Interface
27.2 Overview
27.2.1 Block Diagram

Introduction
AVR® DA 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
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

27.2.1 Block Diagram

Figure 27-1. TWI Block Diagram

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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