AT90USB646-AUR Atmel, AT90USB646-AUR Datasheet - Page 451

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

Specifications of AT90USB646-AUR

• 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
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

38.8
38.9
38.10 Changes from 7593J to 7593K
7593K–AVR–11/09
Changes from 7593H to 7593I
Changes from 7593I to 7593J
7. Added description to access unique serial number located in Signature Row see
1. Updated
1. Updated
2. Updated
3. Removed ATmega32U6 errata section.
1. Corrected
2. Corrected ordering information for
3. Removed the ATmega32U6 device and updated the datasheet accordingly.
4. Updated Assembly Code Exemple in
“Reading the Signature Row from Software” on page
34.4 ”AT90USB1287” on page 437 andSection 34.2 ”AT90USB647” on page
Table 8-2
Table 8-2
“Ordering Information” on page
Figure 5-7 on page
in
in
“Brown-out Detection” on page
“Brown-out Detection” on page
33,
Figure 5-8 on page 33
Section 34.3 ”AT90USB1286” on page
“Watchdog Reset” on page
435.
60. Unused BOD levels removed.
60. BOD level 100 removed.
360.
and
AT90USB64/128
Figure 5-9 on page
61.
436,
435.
Section
34.
451