Jump to main content
tinyAVR® 1-series ATtiny212/214/412/414/416
Introduction
Features
1 Silicon Errata and Data Sheet Clarification Document
2 tinyAVR® 1-series Overview
2.1 Configuration Summary
3 Block Diagram
4 Pinout
4.1 8-Pin SOIC
4.2 14-Pin SOIC
4.3 20-Pin SOIC
4.4 20-Pin VQFN
5 I/O Multiplexing and Considerations
5.1 Multiplexed Signals
6 Memories
6.1 Overview
6.2 Memory Map
6.3 In-System Reprogrammable Flash Program Memory
6.4 SRAM Data Memory
6.5 EEPROM Data Memory
6.6 User Row
6.7 Signature Bytes
6.8 I/O Memory
6.9 Memory Section Access from CPU and UPDI on Locked Device
6.10 Configuration and User Fuses (FUSE)
7 Peripherals and Architecture
7.1 Peripheral Address Map
7.2 Interrupt Vector Mapping
7.3 System Configuration (SYSCFG)
8 AVR® CPU
8.1 Features
8.2 Overview
8.3 Architecture
8.4 Arithmetic Logic Unit (ALU)
8.5 Functional Description
8.6 Register Summary
8.7 Register Description
9 NVMCTRL - Nonvolatile Memory Controller
9.1 Features
9.2 Overview
9.3 Functional Description
9.4 Register Summary
9.5 Register Description
10 CLKCTRL - Clock Controller
10.1 Features
10.2 Overview
10.3 Functional Description
10.4 Register Summary
10.5 Register Description
11 SLPCTRL - Sleep Controller
11.1 Features
11.2 Overview
11.3 Functional Description
11.4 Register Summary
11.5 Register Description
12 RSTCTRL - Reset Controller
12.1 Features
12.2 Overview
12.3 Functional Description
12.4 Register Summary
12.5 Register Description
13 CPUINT - CPU Interrupt Controller
13.1 Features
13.2 Overview
13.3 Functional Description
13.4 Register Summary
13.5 Register Description
14 EVSYS - Event System
14.1 Features
14.2 Overview
14.3 Functional Description
14.4 Register Summary
14.5 Register Description
15 PORTMUX - Port Multiplexer
15.1 Overview
15.2 Register Summary
15.3 Register Description
16 PORT - I/O Pin Configuration
16.1 Features
16.2 Overview
16.3 Functional Description
16.4 Register Summary - PORTx
16.5 Register Description - PORTx
16.6 Register Summary - VPORTx
16.7 Register Description - VPORTx
17 BOD - Brown-out Detector
17.1 Features
17.2 Overview
17.3 Functional Description
17.4 Register Summary
17.5 Register Description
18 VREF - Voltage Reference
18.1 Features
18.2 Overview
18.3 Functional Description
18.4 Register Summary
18.5 Register Description
19 WDT - Watchdog Timer
19.1 Features
19.2 Overview
19.3 Functional Description
19.4 Register Summary - WDT
19.5 Register Description
20 TCA - 16-bit Timer/Counter Type A
20.1 Features
20.2 Overview
20.3 Functional Description
20.4 Register Summary - Normal Mode
20.5 Register Description - Normal Mode
20.6 Register Summary - Split Mode
20.7 Register Description - Split Mode
21 TCB - 16-Bit Timer/Counter Type B
21.1 Features
21.2 Overview
21.3 Functional Description
21.4 Register Summary
21.5 Register Description
22 TCD - 12-Bit Timer/Counter Type D
22.1 Features
22.2 Overview
22.3 Functional Description
22.4 Register Summary
22.5 Register Description
23 RTC - Real-Time Counter
23.1 Features
23.2 Overview
23.3 Clocks
23.4 RTC Functional Description
23.5 PIT Functional Description
23.6 Events
23.7 Interrupts
23.8 Sleep Mode Operation
23.9 Synchronization
23.10 Debug Operation
23.11 Register Summary
23.12 Register Description
24 USART - Universal Synchronous and Asynchronous Receiver and Transmitter
24.1 Features
24.2 Overview
24.3 Functional Description
24.4 Register Summary
24.5 Register Description
25 SPI - Serial Peripheral Interface
25.1 Features
25.2 Overview
25.3 Functional Description
25.4 Register Summary
25.5 Register Description
26 TWI - Two-Wire Interface
26.1 Features
26.2 Overview
26.3 Functional Description
26.4 Register Summary
26.5 Register Description
27 CRCSCAN - Cyclic Redundancy Check Memory Scan
27.1 Features
27.2 Overview
27.3 Functional Description
27.4 Register Summary - CRCSCAN
27.5 Register Description
28 CCL - Configurable Custom Logic
28.1 Features
28.2 Overview
28.3 Functional Description
28.4 Register Summary
28.5 Register Description
29 AC - Analog Comparator
29.1 Features
29.2 Overview
29.3 Functional Description
29.4 Register Summary
29.5 Register Description
30 ADC - Analog-to-Digital Converter
30.1 Features
30.2 Overview
30.3 Functional Description
30.4 Register Summary - ADCn
30.5 Register Description
31 DAC - Digital-to-Analog Converter
31.1 Features
31.2 Overview
31.3 Functional Description
31.4 Register Summary
31.5 Register Description
32 UPDI - Unified Program and Debug Interface
32.1 Features
32.2 Overview
32.3 Functional Description
32.4 Register Summary
32.5 Register Description
33 Instruction Set Summary
34 Conventions
34.1 Numerical Notation
34.2 Memory Size and Type
34.3 Frequency and Time
34.4 Registers and Bits
34.5 ADC Parameter Definitions
35 Electrical Characteristics
35.1 Disclaimer
35.2 Absolute Maximum Ratings
35.3 General Operating Ratings
35.4 Power Consumption
35.5 Wake-Up Time
35.6 Peripherals Power Consumption
35.7 BOD and POR Characteristics
35.8 External Reset Characteristics
35.9 Oscillators and Clocks
35.10 I/O Pin Characteristics
35.11 TCD
35.12 USART
35.13 SPI
35.14 TWI
35.15 VREF
35.16 ADC
35.17 TEMPSENSE
35.18 DAC
35.19 AC
35.20 UPDI Timing
35.21 Programming Time
36 Typical Characteristics
36.1 Power Consumption
36.2 GPIO
36.3 VREF Characteristics
36.4 BOD Characteristics
36.5 ADC Characteristics
36.6 TEMPSENSE Characteristics
36.7 AC Characteristics
36.8 OSC20M Characteristics
36.9 OSCULP32K Characteristics
36.10 TWI SDA Hold Timing
37 Ordering Information
37.1 Product Information
37.2 Product Identification System
38 Package Drawings
38.1 Online Package Drawings
38.2 8-Pin SOIC
38.3 14-Pin SOIC
38.4 20-Pin SOIC
38.5 20-Pin VQFN
38.6 Thermal Considerations
39 Errata
39.1 Errata - ATtiny212/214/412/414/416
40 Data Sheet Revision History
40.1 Rev. A - 12/2020
40.2 Appendix - Obsolete Revision History
The Microchip Website
Product Change Notification Service
Customer Support
***
Microchip Devices Code Protection Feature
Legal Notice
Trademarks
Quality Management System
Worldwide Sales and Service

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.