ATMEGA6450-16AI(2004) 데이터 시트보기 (PDF) - Atmel Corporation

부품명

상세내역

제조사

ATMEGA6450-16AI
(Rev.:2004)

8-bit Microcontroller with In-System Programmable Flash

Atmel Corporation 

2570A–AVR–09/04

ATmega325/3250/645/6450

8-bit Timer/Counter2 with PWM and Asynchronous Operation .. 124

Overview........................................................................................................... 124

Timer/Counter Clock Sources........................................................................... 125

Counter Unit...................................................................................................... 125

Output Compare Unit........................................................................................ 126

Compare Match Output Unit ............................................................................. 128

Modes of Operation .......................................................................................... 129

Timer/Counter Timing Diagrams....................................................................... 133

8-bit Timer/Counter Register Description ......................................................... 135

Asynchronous operation of the Timer/Counter ................................................. 138

Timer/Counter Prescaler................................................................................... 141

Serial Peripheral Interface – SPI..................................................... 143

SS Pin Functionality.......................................................................................... 147

Data Modes ...................................................................................................... 150

USART0 ............................................................................................ 151

Overview........................................................................................................... 151

Clock Generation .............................................................................................. 152

Frame Formats ................................................................................................. 155

USART Initialization.......................................................................................... 156

Data Transmission – The USART Transmitter ................................................. 158

Data Reception – The USART Receiver .......................................................... 161

Asynchronous Data Reception ......................................................................... 164

Multi-processor Communication Mode ............................................................. 168

USART Register Description ............................................................................ 169

Examples of Baud Rate Setting........................................................................ 173

Universal Serial Interface – USI...................................................... 177

Overview........................................................................................................... 177

Functional Descriptions .................................................................................... 178

Alternative USI Usage ...................................................................................... 184

USI Register Descriptions................................................................................. 184

Analog Comparator ......................................................................... 189

Analog Comparator Multiplexed Input .............................................................. 192

Analog to Digital Converter ............................................................ 193

Features............................................................................................................ 193

Operation .......................................................................................................... 194

Starting a Conversion ....................................................................................... 195

Prescaling and Conversion Timing ................................................................... 196

Changing Channel or Reference Selection ...................................................... 198

ADC Noise Canceler......................................................................................... 199

ADC Conversion Result.................................................................................... 203

iii

Share Link: