AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 454

• 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

14 16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3) ........... 117
15 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 149
16 Output Compare Modulator (OCM1C0A) ........................................... 170
17 Serial Peripheral Interface – SPI ......................................................... 172
18 USART ................................................................................................... 181
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13.4 Output Compare Unit .........................................................................................102
13.5 Compare Match Output Unit ..............................................................................104
13.6 Modes of Operation ...........................................................................................105
13.7 Timer/Counter Timing Diagrams .......................................................................109
13.8 8-bit Timer/Counter Register Description ..........................................................110
14.1 Overview ............................................................................................................117
14.2 Accessing 16-bit Registers ................................................................................119
14.3 Timer/Counter Clock Sources ...........................................................................122
14.4 Counter Unit ......................................................................................................122
14.5 Input Capture Unit .............................................................................................124
14.6 Output Compare Units .......................................................................................126
14.7 Compare Match Output Unit ..............................................................................127
14.8 Modes of Operation ...........................................................................................129
14.9 Timer/Counter Timing Diagrams .......................................................................136
14.10 16-bit Timer/Counter Register Description ......................................................138
15.1 Overview ............................................................................................................149
15.2 Timer/Counter Clock Sources ...........................................................................150
15.3 Counter Unit ......................................................................................................150
15.4 Output Compare Unit .........................................................................................151
15.5 Compare Match Output Unit ..............................................................................153
15.6 Modes of Operation ...........................................................................................154
15.7 Timer/Counter Timing Diagrams .......................................................................158
15.8 8-bit Timer/Counter Register Description ..........................................................160
15.9 Asynchronous operation of the Timer/Counter ..................................................165
15.10 Timer/Counter Prescaler .................................................................................168
16.1 Overview ............................................................................................................170
16.2 Description .........................................................................................................170
17.1 SS Pin Functionality ..........................................................................................176
17.2 Data Modes .......................................................................................................179
AT90USB64/128
7593K–AVR–11/09