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CY7C65640A-LTXC Datasheet(PDF) 9 Page - Cypress Semiconductor |
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CY7C65640A-LTXC Datasheet(HTML) 9 Page - Cypress Semiconductor |
9 / 23 page CY7C65640A Document #: 38-08019 Rev. *J Page 9 of 23 Table 6. Endpoint Descriptor Table 7. Interface Descriptor[3] I Table 8. Endpoint Descriptor[3] Table 9. Device Qualifier Descriptor Byte Full Speed High Speed Field Name Description 0 0x07 0x07 bLength 7 Bytes 1 0x05 0x05 bDescriptorType ENDPOINT_DESCRIPTOR 2 0x81 0x81 bEndpointAddress IN Endpoint #1 3 0x03 0x03 bmAttributes Interrupt 4,5 0x0001 0x0001 wMaxPacketSize Maximum Packet Size 6 0xFF 0x0C bInterval Polling Rate Byte Full Speed High Speed Field Name Description 0 N/A 0x09 bLength 9 Bytes 1 N/A 0x04 bDescriptorType INTERFACE_DESCRIPTOR 2 N/A 0x00 bInterfaceNumber Interface Descriptor Index 3 N/A 0x01 bAlternateSetting Alternate Setting for the Interface 4 N/A 0x01 bNumEndpoints Number of Endpoints Defined 5 N/A 0x09 bInterfaceClass Interface Class 6 N/A 0x00 bInterfaceSubClass Interface Sub-Class 7 N/A 0x02 bInterfaceProtocol Interface Protocol 8 N/A 0x00 bInterface Interface String Index Note 3. If TetraHub is configured for single-TT only (from the external EEPROM), this descriptor is not present. Byte Full Speed High Speed Field Name Description 0 N/A 0x07 bLength 7 Bytes 1 N/A 0x05 bDescriptorType ENDPOINT_DESCRIPTOR 2 N/A 0x81 bEndpointAddress IN Endpoint #1 3 N/A 0x03 bmAttributes Interrupt 4,5 N/A 0x0001 wMaxPacketSize Maximum Packet Size 6 N/A 0x0C bInterval Polling Rate Byte Full Speed High Speed Field Name Description 0 0x0A 0x0A bLength 10 Bytes 1 0x06 0x06 bDescriptorType DEVICE_QUALIFIER 2,3 0x0200 0x0200 bcdUSB 4 0x09 0x09 bDeviceClass 5 0x00 0x00 bDeviceSubClass 6 0x02 0x00 bDeviceProtocol 7 0x40 0x40 bMaxPacketSize0 8 0x01 0x01 bNumConfigurations 9 0x00 0x00 bReserved [+] Feedback |
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