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