AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 458

• 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

28 Boot Loader Support – Read-While-Write Self-Programming ......... 349
29 Memory Programming ......................................................................... 366
30 Electrical Characteristics for AT90USB64/128 .................................. 398
31
458
AT90USB64/128 Typical Characteristics .......................................... 412
27.6 Boundary-scan Chain ........................................................................................342
27.7 AT90USB64/128 Boundary-scan Order ............................................................345
27.8 Boundary-scan Description Language Files ......................................................348
28.1 Boot Loader Features ........................................................................................349
28.2 Application and Boot Loader Flash Sections .....................................................349
28.3 Read-While-Write and No Read-While-Write Flash Sections ............................349
28.4 Boot Loader Lock Bits .......................................................................................352
28.5 Entering the Boot Loader Program ....................................................................353
28.6 Addressing the Flash During Self-Programming ...............................................357
28.7 Self-Programming the Flash ..............................................................................358
29.1 Program And Data Memory Lock Bits ...............................................................366
29.2 Fuse Bits ............................................................................................................367
29.3 Signature Bytes .................................................................................................369
29.4 Calibration Byte .................................................................................................369
29.5 Parallel Programming Parameters, Pin Mapping, and Commands ...................369
29.6 Parallel Programming ........................................................................................372
29.7 Serial Downloading ............................................................................................380
29.8 Serial Programming Pin Mapping ......................................................................381
29.9 Programming via the JTAG Interface ................................................................385
30.1 Absolute Maximum Ratings* .............................................................................398
30.2 DC Characteristics .............................................................................................398
30.3 External Clock Drive Waveforms .......................................................................400
30.4 External Clock Drive ..........................................................................................400
30.5 Maximum speed vs. V
30.6 2-wire Serial Interface Characteristics ...............................................................401
30.7 SPI Timing Characteristics ................................................................................403
30.8 Hardware Boot EntranceTiming Characteristics ................................................404
30.9 ADC Characteristics ..........................................................................................405
30.10 External Data Memory Timing .........................................................................407
31.1 Input Voltage Levels ..........................................................................................413
31.2 Output Voltage Levels .......................................................................................414
AT90USB64/128
CC ...........................................................................................................................400
7593K–AVR–11/09