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NRF24AP2-USBQ32-R7 データシート(PDF) 24 Page - List of Unclassifed Manufacturers

部品番号 NRF24AP2-USBQ32-R7
部品情報  Single-chip ANT ultra-low power wireless network solution
PDF  44 Pages
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メーカー  ETC1 [List of Unclassifed Manufacturers]
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NRF24AP2-USBQ32-R7 データシート(HTML) 24 Page - List of Unclassifed Manufacturers

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Revision 1.0
Page 24 of 44
nRF24AP2-USB Product Specification
The interface descriptor contains information about the number of endpoints and their class.
Table 7. Interface descriptor
Endpoint descriptors contain information about the transfer type, interval and the packet size. The host will
use the information to decide on the requirements for the bus. The nRF24AP2-USB uses two endpoints for
communication with the host, one configured as IN and the other as OUT.
Table 8. Endpoint descriptor 1 IN
Table 9. Endpoint descriptor 1 OUT
Field
Notes
Value
Description
bLength
0x09
Valid
bDescriptorType
0x04
INTERFACE
bInterfaceNumber
0x00
0
bAlternateSetting
0x00
0
bNumEndpoints
0x02
2
bInterfaceClass
0xFF
Vendor-specific
bInterfaceSubClass
0x00
Vendor-specific
bInterfaceProtocol
0x00
None
iInterface
0x02
2
Field
Notes
Value
Description
bLength
0x07
Valid
bDescriptorType
0x05
ENDPOINT
bEndpointAddress
0x81
1 IN
bmAttributes.
TransferType
0x2
Bulk
bmAttributes. Reserved
0x00
Zero
wMaxPacketSize
0x0040
64 bytes
bInterval
0x01
Ignored for full speed,
Bulk endpoints
Field
Notes
Value
Description
bLength
0x07
Valid
bDescriptorType
0x05
ENDPOINT
bEndpointAddress
0x01
1 OUT
bmAttributes.
TransferType
0x2
Bulk
bmAttributes. Reserved
0x00
Zero
wMaxPacketSize
0x0040
64 bytes
bInterval
0x01
Ignored for full speed,
Bulk endpoints



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