AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 455

• Manufacturer Part Number: AT90USB647-MU
• Description: MCU, 8BIT, 64K FLASH, USB, 64QFN
• Manufacturer: Atmel

Specifications of AT90USB647-MU

• Controller Family/series: AT90
• No. Of I/o's: 48
• Eeprom Memory Size: 2KB
• Ram Memory Size: 4KB
• Cpu Speed: 16MHz
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 64KB
• Oscillator Type: External, Internal
• Package: 64QFN EP
• Device Core: AVR
• Family Name: AT90
• Maximum Speed: 20 MHz
• Ram Size: 4 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 48
• Interface Type: SPI/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 4
• Lead Free Status / Rohs Status: Details

19 USART in SPI Mode ............................................................................. 206
20 2-wire Serial Interface .......................................................................... 216
21 USB controller ...................................................................................... 246
7593K–AVR–11/09
18.1 Overview ............................................................................................................181
18.2 Clock Generation ...............................................................................................182
18.3 Frame Formats ..................................................................................................185
18.4 USART Initialization ...........................................................................................187
18.5 Data Transmission – The USART Transmitter ..................................................188
18.6 Data Reception – The USART Receiver ...........................................................190
18.7 Asynchronous Data Reception ..........................................................................194
18.8 Multi-processor Communication Mode ..............................................................197
18.9 USART Register Description .............................................................................198
18.10 Examples of Baud Rate Setting .......................................................................203
19.1 Overview ............................................................................................................206
19.2 Clock Generation ...............................................................................................207
19.3 SPI Data Modes and Timing ..............................................................................207
19.4 Frame Formats ..................................................................................................208
19.5 Data Transfer .....................................................................................................210
19.6 USART MSPIM Register Description ................................................................212
19.7 AVR USART MSPIM vs. AVR SPI ....................................................................214
20.1 Features ............................................................................................................216
20.2 2-wire Serial Interface Bus Definition ................................................................216
20.3 Data Transfer and Frame Format ......................................................................217
20.4 Multi-master Bus Systems, Arbitration and Synchronization .............................220
20.5 Overview of the TWI Module .............................................................................221
20.6 TWI Register Description ...................................................................................224
20.7 Using the TWI ....................................................................................................227
20.8 Transmission Modes .........................................................................................231
20.9 Multi-master Systems and Arbitration ................................................................244
21.1 Features ............................................................................................................246
21.2 Block Diagram ...................................................................................................246
21.3 Typical Application Implementation ...................................................................247
21.4 General Operating Modes .................................................................................251
21.5 Power modes .....................................................................................................255
21.6 Speed Control ....................................................................................................256
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