NEC mPD78F0730 Preliminary User's Manual page 347

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CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Table 12-7. Data of UF0CIEn Register
(a) Configuration descriptor (9 bytes)
Offset Field Name
0 bLength
1 bDescriptorType
2 wTotalLength
3
4 bNumInterface
5 bConfigurationValue
6 iConfiguration
7 bmAttributes
8 MaxPower
This value is expressed in 2mA units. (example: 50 = 100 mA)
Offset Field Name
0 bLength
1 bDescriptorType
2 bInterfaceNumber
3 bAlternateSetting
4 bNumEndpoints
5 bInterfaceClass
6 bInterfaceSubClass
7 bInterfaceProtocol
8 Interface
Offset Field Name
0 bLength
1 bDescriptorType
2 bEndpointAddress
3 bmAttributes
4 wMaxPaketSize
5
6 bInterval
Size of this descriptor
Descriptor type
Lower value of the total number of bytes of Configuration, all Interface, and
all Endpoint descriptors
Higher value of the total number of bytes of Configuration, all Interface, and
all Endpoint descriptors
Number of Interfaces
Value to select this Configuration
Index of string descriptor describing this Configuration
Features of this Configuration (self-powered, without remote wakeup)
Maximum power consumption of this Configuration (unit: mA)
(b) Interface descriptor (9 bytes)
Size of this descriptor
Descriptor type
Value of this Interface
Value to select alternative setting of Interface
Number of usable Endpoints
Class code
Subclass code
Protocol code
Index of string descriptor describing this Interface
(c) Endpoint descriptor (7 bytes)
Size of this descriptor
Descriptor type
Address/transfer direction of this Endpoint
Transfer type
Lower value of maximum number of transfer data
Higher value of maximum number of transfer data
Transfer interval
Preliminary User's Manual U19014EJ1V0UD
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