AT90USB646 Atmel Corporation, AT90USB646 Datasheet - Page 451
AT90USB646
Manufacturer Part Number
AT90USB646
Description
Manufacturer
Atmel Corporation
Specifications of AT90USB646
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
48
Ext Interrupts
16
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
4
Output Compare Channels
10
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB646-AU
Manufacturer:
MOT
Quantity:
1 100
Part Number:
AT90USB646-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
AT90USB646-MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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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
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