ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 359

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

2490G–AVR–03/04
8-bit Timer/Counter2 with PWM...................................................... 144
Output Compare Modulator (OCM1C2).......................................... 159
Serial Peripheral Interface – SPI..................................................... 161
USART .............................................................................................. 169
Two-wire Serial Interface ................................................................ 196
Analog Comparator ......................................................................... 227
Analog to Digital Converter ............................................................ 230
Overview........................................................................................................... 144
Timer/Counter Clock Sources........................................................................... 145
Counter Unit...................................................................................................... 146
Output Compare Unit........................................................................................ 146
Compare Match Output Unit ............................................................................. 148
Modes of Operation .......................................................................................... 149
Timer/Counter Timing Diagrams....................................................................... 153
8-bit Timer/Counter Register Description ......................................................... 155
Overview........................................................................................................... 159
Description........................................................................................................ 159
SS Pin Functionality.......................................................................................... 165
Data Modes ...................................................................................................... 168
Overview........................................................................................................... 169
Clock Generation .............................................................................................. 170
Frame Formats ................................................................................................. 173
USART Initialization.......................................................................................... 174
Data Transmission – The USART Transmitter ................................................. 175
Data Reception – The USART Receiver .......................................................... 179
Asynchronous Data Reception ......................................................................... 182
Multi-processor Communication Mode ............................................................. 185
USART Register Description ............................................................................ 186
Examples of Baud Rate Setting........................................................................ 191
Features............................................................................................................ 196
Two-wire Serial Interface Bus Definition........................................................... 196
Data Transfer and Frame Format ..................................................................... 197
Multi-master Bus Systems, Arbitration and Synchronization ............................ 200
Overview of the TWI Module ............................................................................ 202
TWI Register Description.................................................................................. 205
Using the TWI ................................................................................................... 208
Transmission Modes......................................................................................... 212
Multi-master Systems and Arbitration............................................................... 225
Analog Comparator Multiplexed Input .............................................................. 229
Features............................................................................................................ 230
ATmega64(L)
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