AT90USB1287-16AUR Atmel, AT90USB1287-16AUR Datasheet - Page 292
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AT90USB1287-16AUR
Manufacturer Part Number
AT90USB1287-16AUR
Description
IC MCU AVR 128K ISP USB TQFP64
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB1287-16AUR
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
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K 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
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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AT90USB64/128
Figure 23-3. Pipe activation flow:
Once the Pipe is activated (EPEN set) and, the hardware is ready to send requests to the
Device.
When configured (CFGOK = 1), only the Pipe Token (PTOKEN) and the polling interval for Inter-
rupt pipe can be modified.
A Control type pipe supports only 1 bank. Any other value will lead to a configuration error
(CFGOK = 0).
A clear of PEN will reset the configuration of the Pipe. All the corresponding Pipe registers are
reset to there reset values. Please refers to the Memory Management chapter for more details.
Note: The firmware has to configure the Default Control Pipe with the following parameters:
The firmware asks for 8 bytes of the Device Descriptor sending a GET_DESCRIPTOR request.
These bytes contains the MaxPacketSize of the Device default control endpoint and the firm-
ware re-configures the size of the Default Control Pipe with this size parameter.
• Type: Control
• Token: SETUP
• Data bank: 1
• Size: 64 Bytes
Pipe activ ated
Y es
and f reezed
(interrupt only)
Activ ation
UPCFG0X
UPCFG1X
CFGOK=1
UPCFG2X
PENABLE=1
UPCONX
PEPNUM
CFGMEM
PTOKEN
INT FRQ
PTYPE
Pipe
PSIZE
PBK
Configure the polling interval
for Interrupt pipe
Select the Pipe type:
* Type (Control, Bulk, Interrupt)
* Token (IN, OUT , SET UP)
* Endpoint number
Configure the Pipe memory:
* Pipe size
* Number of banks
No
Enable the pipe
ERROR
7593K–AVR–11/09
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