7.3.1
7.3.2
7.3.3
7.3.4
Get Status ................................................................................. 7-7
Set Feature ............................................................................. 7-10
Clear Feature ......................................................................... 7-12
Get Descriptor ....................................................................... 7-12
7.3.4.1
7.3.4.2
7.3.4.3
Get Descriptor-Device............................................................... 7-14
Get Descriptor-Configuration.................................................... 7-15
Get Descriptor-String ................................................................ 7-16
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
Set Descriptor ........................................................................ 7-16
Set Configuration ................................................................... 7-19
Get Configuration .................................................................. 7-19
Set Interface ........................................................................... 7-20
Get Interface .......................................................................... 7-21
7.3.10 Set Address ............................................................................. 7-21
7.3.11 Sync Frame ............................................................................ 7-22
7.3.12 Firmware Load ...................................................................... 7-23
8
EZ-USB Isochronous Transfers ....................................................8-1
8.1
8.2
8.3
Introduction ............................................................................................. 8-1
8.1.1 Initialization ............................................................................. 8-2
Isochronous IN Transfers ........................................................................ 8-2
8.2.1 IN Data Transfers .................................................................... 8-3
Isochronous OUT Transfers .................................................................... 8-3
8.3.1
8.3.2
Initialization ............................................................................. 8-4
OUT Data Transfer .................................................................. 8-4
8.4
8.5
8.6
Setting Isochronous FIFO Sizes ............................................................. 8-5
Isochronous Transfer Speed .................................................................... 8-8
Fast Transfers .......................................................................................... 8-9
8.6.1
8.6.2
Fast Writes ............................................................................. 8-10
Fast Reads .............................................................................. 8-11
8.7
Fast Transfer Timing ............................................................................ 8-11
8.7.1
8.7.2
Fast Write Waveforms ........................................................... 8-12
Fast Read Waveforms ............................................................ 8-13
8.8
8.9
Fast Transfer Speed .............................................................................. 8-14
8.8.1 Disable ISO ............................................................................ 8-15
Other Isochronous Registers ................................................................. 8-15
8.9.1 Zero Byte Count Bits .............................................................. 8-16
8.10 ISO IN Response with No Data ............................................................ 8-17
8.11 Using the Isochronous FIFOs ............................................................... 8-17
9
EZ-USB Interrupts .........................................................................9-1
9.1
Introduction ............................................................................................. 9-1
iv
Table of Contents
EZ-USB TRM v1.9
CYPRESS [ CYPRESS ]
