AT90USB82 Atmel Corporation, AT90USB82 Datasheet - Page 11
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AT90USB82
Manufacturer Part Number
AT90USB82
Description
Manufacturer
Atmel Corporation
Specifications of AT90USB82
Flash (kbytes)
8 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
22
Ext Interrupts
21
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
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
2
Output Compare Channels
5
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90USB82-16MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
4.7.1
4.7.2
4.7.3
7618C–AVR–07/08
First Request from Host
Second Request from Host
Answers from the Device
The Host sends a DFU Download request with a Display command in the data field.
The Host sends a DFU Upload request.
The device sends to the Host the firmware from the specified start address to the specified end
address.
Command Identifier
Id_display_data
OUT
SETUP
IN
IN
IN
03h
data[0]
SETUP
OUT
IN
00h
01h
02h
ZLP
DFU_UPLOAD
Firmware Packet 1
Firmware Packet 2
Firmware Packet n
data[1]
start_address
data[2]
DFU_DNLOAD
Display_Data (6 bytes)
ZLP
data[3]
end_address
data[4]
Display EEPROM Data
Blank Check in FLASH
Display FLASH Data
Description
11