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tinyAVR® 2 Family ATtiny3224/3226/3227

ATtiny3224 ATtiny3226 ATtiny3227

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36 Package Drawings
36.5 20-Pin SOIC

ATtiny3224/3226/3227

Introduction
tinyAVR® 2 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 General Purpose I/O 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 RTC - Real-Time Counter
24 USART - Universal Synchronous and Asynchronous Receiver and Transmitter
25 SPI - Serial Peripheral Interface
26 TWI - Two-Wire Interface
27 CRCSCAN - Cyclic Redundancy Check Memory Scan
28 CCL - Configurable Custom Logic
29 AC - Analog Comparator
30 ADC - Analog-to-Digital Converter
31 UPDI - Unified Program and Debug Interface
32 Instruction Set Summary
33 Electrical Characteristics
34 Typical Characteristics
35 Ordering Information
36 Package Drawings
37 Data Sheet Revision History
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36.5 20-Pin SOIC

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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