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tinyAVR® 2 Family ATtiny3224/3226/3227
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37
Data Sheet Revision History
37.2
Rev.A - 09/2021
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
37.1
Rev.B - 12/2021
37.2
Rev.A - 09/2021
The Microchip Website
Product Change Notification Service
Customer Support
Product Identification System
Microchip Devices Code Protection Feature
Legal Notice
Trademarks
Quality Management System
Worldwide Sales and Service
37.2 Rev.A - 09/2021
Section
Changes
Document
Initial document release
