AT90USB646-AU Atmel, AT90USB646-AU Datasheet - Page 33

• Manufacturer Part Number: AT90USB646-AU
• Description: MCU AVR 64K FLASH 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® 90USBr

Specifications of AT90USB646-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Controller Family/series: AVR USB
• No. Of I/o's: 48
• Eeprom Memory Size: 2KB
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• Processor Series: AT90USBx
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 64TQFP
• Device Core: AVR
• Family Name: AT90
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10. Datasheet Revision History for AT90USB64/128
10.1
10.2
10.3
10.4
10.5
10.6
10.7
7593KS–AVR–11/09
Changes from 7593A to 7593B
Changes from 7593B to 7593C
Changes from 7593C to 7593D
Changes from 7593D to 7593E
Changes from 7593E to 7593F
Changes from 7593F to 7593G
Changes from 7593G to 7593H
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1. Changed default configuration for fuse bytes and security byte.
2. Suppression of timer 4,5 registers which does not exist.
3. Updated typical application schematics in USB section
1. Update to package drawings, MQFP64 and TQFP64.
1. For further product compatibility, changed USB PLL possible prescaler configurations.
1. Updated PLL Prescaler table: configuration words are different between AT90USB64x
2. Cleaned up some bits from USB registers, and updated information about OTG timers,
3. Updated clock distribution tree diagram (USB prescaler source and configuration
4. Cleaned up register summary.
5. Suppressed PCINT23:8 that do not exist from External Interrupts.
6. Updated Electrical Characteristics.
7. Added Typical Characteristics.
8. Update Errata section.
1. Removed ’Preliminary’ from document status.
2. Clarification in Stand by mode regarding USB.
1. Updated Errata section.
1. Added Signature information for 64K devices.
2. Fixed figure for typical bus powered application
3. Added min/max values for BOD levels
4. Added ATmega32U6 product
5. Update Errata section
6. Modified descriptions for HWUPE and WAKEUPE interrupts enable (these interrupts
Only 8MHz and 16MHz crystal frequencies allows USB operation (See
page
and AT90USB128x to enable the PLL with a 16 MHz source.
remote wake-up, reset and connection timings.
register).
should be enabled only to wake up the CPU core from power down mode).
49).
AT90USB64/128
Table 6-11 on
33