AT90USB647 Atmel Corporation, AT90USB647 Datasheet - Page 245
AT90USB647
Manufacturer Part Number
AT90USB647
Description
Manufacturer
Atmel Corporation
Specifications of AT90USB647
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 + OTG
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:
AT90USB647-16AU
Manufacturer:
HITACHI
Quantity:
2 000
Company:
Part Number:
AT90USB647-AU
Manufacturer:
MURATA
Quantity:
1 000
Company:
Part Number:
AT90USB647-AUR
Manufacturer:
Atmel
Quantity:
1 951
Company:
Part Number:
AT90USB647-MU
Manufacturer:
AAT
Quantity:
18 240
Company:
Part Number:
AT90USB647-MUR
Manufacturer:
AD
Quantity:
2 747
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7593K–AVR–11/09
Figure 20-22. Possible Status Codes Caused by Arbitration
START
Address / General Call
Direction
received
Own
Yes
Arbitration lost in SLA
SLA
Write
Read
No
68/78
38
B0
Arbitration lost in Data
TWI bus will be released and not addressed slave mode will be entered
A START condition will be transmitted when the bus becomes free
Data byte will be received and NOT ACK will be returned
Data byte will be received and ACK will be returned
Last data byte will be transmitted and NOT ACK should be received
Data byte will be transmitted and ACK should be received
Data
AT90USB64/128
STOP
245
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