Cypress Semiconductor SL811HS Manual de usuario descargar pdf (Pagina 3)

Cypress Semiconductor Corporation

SL811HS and SL811HST: Application Notes

and specifications contained in this document are subject to change without

notice.

Date: 07/26/01

Revision: 1.21

Page: 3

5.1.1 SETUP Transaction.................................................................................................37

5.1.2 Control Read............................................................................................................37

5.1.3 Control Write............................................................................................................39

5.2. BULK TRANSFER................................................................................................................40

5.2.1 BULK Write ..............................................................................................................40

5.2.2 BULK Read ..............................................................................................................41

6. Error Recovery Management......................................................................................42

6.1. SL811HS ERROR CONDITIO NS ...........................................................................................42

6.2. DATA TOGGLE ERROR........................................................................................................42

6.3. BUS TIMEOUT ERROR.........................................................................................................43

6.4. BABBLE AND LOSS OF ACTIVITY (LOA)..................................................................................43

Figure 1: SL811HS circuit diagram.................................................................................................... 9

Figure 2: SL811HS Host/Slave diagram............................................................................................10

Figure 3: SL811HS Internal Memory Map ........................................................................................16

Figure 4: Zero Length Data Packet....................................................................................................23

Figure 5: EOP Pulse Width ..............................................................................................................28

Figure 6: Token Phase......................................................................................................................29

Figure 7: Data Phase........................................................................................................................29

Figure 8: Handshaking phase............................................................................................................29

Table 1: SL811HS and PC address....................................................................................................16

Table 2: USB Control Register Memory............................................................................................17

Table 3: SL811HS Control Register Memory Map.............................................................................17

Table 4: DATA0/DATA1 Mapping ..................................................................................................18

Table 5: Buffers use for configuration and Vendor Specific command ................................................18

Table 6: SL811HS Code Bit Definitions............................................................................................18

Table 7: Error Conditions .................................................................................................................42

Program Sample 1: Single Write Function.........................................................................................20

Program Sample 2: Write Buffer Function.........................................................................................21

Program Sample 3: Single Read Function..........................................................................................21

Program Sample 4: Read Buffer Function .........................................................................................21

Program Sample 5: Memory Test......................................................................................................21

Program Sample 6: USB Reset Function...........................................................................................22

Program Sample 7: Data, Endpoint, and Address...............................................................................23

Program Sample 8: Single IN Packet.................................................................................................24

Program Sample 9: Single OUT Packet.............................................................................................25

Program Sample 10: Short Data Packet.............................................................................................26

Program Sample 11: Speed Detect Function ......................................................................................27

Program Sample 12: Hardware EOP Generation................................................................................29

Program Sample 13: Suspend State...................................................................................................30

Program Sample 14: Resume Wakeup...............................................................................................30

Program Sample 15: Vendor Command ............................................................................................31

Program Sample 16: Vendor Command ............................................................................................31

Program Sample 17: USB Control Transfer.......................................................................................31

Program Sample 18: Device Enumeration .........................................................................................32

Program Sample 19: Device Enumeration .........................................................................................32

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Cypress Semiconductor SL811HS Manual de usuario Pagina 3

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