Jump to main content
tinyAVR® 1-series ATtiny1614/1616/1617 Automotive
Search
Product Pages
ATtiny1614
ATtiny1616
ATtiny1617
Home
25
Universal Synchronous and Asynchronous Receiver and Transmitter (USART)
25.3
Functional Description
25.3.2
Operation
ATtiny1614/1616/1617 Automotive
Introduction
Features
1
Silicon Errata and Data Sheet Clarification Document
2
tinyAVR® 1-series Overview
3
Block Diagram
4
Pinout
5
I/O Multiplexing and Considerations
6
Automotive Quality Grade
7
Memories
8
Peripherals and Architecture
9
AVR CPU
10
Nonvolatile Memory Controller (NVMCTRL)
11
Clock Controller (CLKCTRL)
12
Sleep Controller (SLPCTRL)
13
Reset Controller (RSTCTRL)
14
CPU Interrupt Controller (CPUINT)
15
Event System (EVSYS)
16
Port Multiplexer (PORTMUX)
17
I/O Pin Configuration (PORT)
18
Brown-Out Detector (BOD)
19
Voltage Reference (VREF)
20
Watchdog Timer (WDT)
21
16-bit Timer/Counter Type A (TCA)
22
16-bit Timer/Counter Type B (TCB)
23
12-Bit Timer/Counter Type D (TCD)
24
Real-Time Counter (RTC)
25
Universal Synchronous and Asynchronous Receiver and Transmitter (USART)
25.1
Features
25.2
Overview
25.3
Functional Description
25.3.1
Initialization
25.3.2
Operation
25.3.2.1
Clock Generation
25.3.2.2
Frame Formats
25.3.2.3
Data Transmission - USART Transmitter
25.3.2.4
Data Reception - USART Receiver
25.3.2.5
USART in Master SPI mode
25.3.2.6
RS-485 Mode of Operation
25.3.2.7
Start Frame Detection
25.3.2.8
Break Character Detection and Auto-Baud
25.3.2.9
One-Wire Mode
25.3.2.10
Multiprocessor Communication Mode
25.3.2.11
IRCOM Mode of Operation
25.3.3
Events
25.3.4
Interrupts
25.3.5
Configuration Change Protection
25.4
Register Summary - USART
25.5
Register Description
26
Serial Peripheral Interface (SPI)
27
Two-Wire Interface (TWI)
28
Cyclic Redundancy Check Memory Scan (CRCSCAN)
29
Configurable Custom Logic (CCL)
30
Analog Comparator (AC)
31
Analog-to-Digital Converter (ADC)
32
Digital-to-Analog Converter (DAC)
33
Peripheral Touch Controller (PTC)
34
Unified Program and Debug Interface (UPDI)
35
Instruction Set Summary
36
Conventions
37
Acronyms and Abbreviations
38
Electrical Characteristics
39
Typical Characteristics
40
Ordering Information
41
Package Drawings
42
Thermal Considerations
43
Errata
44
Data Sheet 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
25.3.2 Operation
