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EZ-USB Datasheet, PDF (95/334 Pages) Cypress Semiconductor – The EZ-USB USB Integrated Circuit
Table 5-18. USB Default Interface 0, Alternate Setting 2, Bulk Endpoint Descriptors
Offset
Field
Description
0 bLength
Length of this Endpoint Descriptor
1 bDescriptor Type Descriptor Type = Endpoint
2 bEndpointAddress Endpoint Direction (1 is in) and Address = IN2
3 bmAttributes
XFR Type = BULK
4 wMaxPacketSize (L) Maximum Packet Size = 64 Bytes
5 wMaxPacketSize (H) Maximum Packet Size - High
6 bInterval
Polling Interval in Milliseconds (1 for iso)
0 bLength
Length of this Endpoint Descriptor
1 bDescriptorType Descriptor Type = Endpoint
2 bEndpointAddress Endpoint Direction (1 is in) and Address = OUT2
3 bmAttributes
XFR Type = BULK
4 wMaxPacketSize (L) Maximum Packet Size = 64 Bytes
5 wMaxPacketSize (H) Maximum Packet Size - High
6 bInterval
Polling Interval in Milliseconds (1 for iso)
0 bLength
Length of this Endpoint Descriptor
1 bDescriptorType Descriptor Type = Endpoint
2 bEndpointAddress Endpoint Direction (1 is in) and Address = IN4
3 bmAttributes
XFR Type = BULK
4 wMaxPacketSize (L) Maximum Packet Size = 64 Bytes
5 wMaxPacketSize (H) Maximum Packet Size - High
6 bInterval
Polling Interval in Milliseconds (1 for iso)
0 bLength
Length of this Endpoint Descriptor
1 bDescriptorType Descriptor Type = Endpoint
2 bEndpointAddress Endpoint Direction (1 is in) and Address = OUT4
3 bmAttributes
XFR Type = ISO
4 wMaxPacketSize (L) Maximum Packet Size = 64 Bytes
5 wMaxPacketSize (H) Maximum Packet Size - High
6 bInterval
Polling Interval in Milliseconds (1 for iso)
0 bLength
Length of this Endpoint Descriptor
1 bDescriptorType Descriptor Type = Endpoint
2 bEndpointAddress Endpoint Direction (1 is in) and Address = IN6
3 bmAttributes
XFR Type = BULK
4 wMaxPacketSize (L) Maximum Packet Size = 64 Bytes
5 wMaxPacketSize (H) Maximum Packet Size - High
6 bInterval
Polling Interval in Milliseconds (1 for iso)
0 bLength
Length of this Endpoint Descriptor
1 bDescriptorType Descriptor Type = Endpoint
2 bEndpointAddress Endpoint Direction (1 is in) and Address = OUT6
3 bmAttributes
XFR Type = BULK
4 wMaxPacketSize (L) Maximum Packet Size = 64 Bytes
5 wMaxPacketSize (H) Maximum Packet Size - High
6 bInterval
Polling Interval in Milliseconds (1 for iso)
Value
07H
05H
82H
02H
40H
00H
00H
07H
05H
02H
02H
40H
00H
00H
07H
05H
84H
02H
40H
00H
00H
07H
05H
04H
02H
40H
00H
00H
07H
05H
86H
02H
40H
00H
00H
07H
05H
06H
02H
40H
00H
00H
The bulk endpoints for alternate setting 2 are identical to alternate setting 1.
Page 5-20
Chapter 5. EZ-USB CPU
EZ-USB TRM v1.9