AN2131-DK001 Cypress Semiconductor Corp, AN2131-DK001 Datasheet - Page 96
AN2131-DK001
Manufacturer Part Number
AN2131-DK001
Description
KIT EZ-USB DEVELOPMENT BOARD
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.AN2131SC.pdf
(334 pages)
Specifications of AN2131-DK001
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
428-1333
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The only differences between alternate settings 1 and 2 are the maximum packet sizes for
EP8IN and EP8OUT. This is a high-bandwidth setting using 256 bytes each.
EZ-USB TRM v1.9
Table 5-19. USB Default Interface 0, Alternate Setting 2, Isochronous Endpoint Descriptors
Offset
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
0
0
0
0
0
0
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize (L)
wMaxPacketSize (H) Maximum Packet Size - High
bInterval
Field
Descriptor Type = Endpoint
XFR Type = ISO
Descriptor Type = Endpoint
XFR Type = ISO
Descriptor Type = Endpoint
XFR Type = ISO
Descriptor Type = Endpoint
XFR Type = ISO
Descriptor Type = Endpoint
XFR Type = ISO
Descriptor Type = Endpoint
XFR Type = ISO
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = IN8
Maximum Packet Size = 256 Bytes
Polling Interval in Milliseconds (1 for iso)
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = OUT8
Maximum Packet Size = 256 Bytes
Polling Interval in Milliseconds (1 for iso)
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = IN9
Maximum Packet Size = 16 Bytes
Polling Interval in Milliseconds (1 for iso)
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = OUT9
Maximum Packet Size = 16 Bytes
Polling Interval in Milliseconds (1 for iso)
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = IN10
Maximum Packet Size = 16 Bytes
Polling Interval in Milliseconds (1 for iso)
Length of this Endpoint Descriptor
Endpoint Direction (1 is in) and Address = OUT10
Maximum Packet Size = 16 Bytes
Polling Interval in Milliseconds (1 for iso)
Chapter 5. EZ-USB CPU
Description
Value
01H
01H
10H
01H
00H
01H
00H
01H
8AH
00H
01H
0AH
00H
01H
07H
05H
88H
01H
10H
07H
05H
08H
01H
00H
07H
05H
89H
01H
10H
07H
05H
09H
01H
10H
07H
05H
01H
10H
07H
05H
01H
10H
Page 5-21
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