Host (pci/usb) port. Over view. Host Port Selection. Configuration Spaces. PCI Configuration Space, страница 24

Figure 8-21. DSP Memory Buffer WR Pointer Offset Register

The DSP Memory Buffer WR Pointer Offset Register provides the offset from the base address for the write pointer of the memory buffer assigned to this Endpoint.

Table 8-34. DSP Memory Buffer WR Pointer Offset Register

 

WR[15:0]

Memory Buffer WR Offset

 

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

V15

V14

V13

V12

V11

V10

V9

V8

V7

V6

V5

V4

V3

V2

V1

V0

Figure 8-22. USB Descriptor Vendor ID

The Vendor ID returned by the GET DEVICE DESCRIPTOR command is contained in the USB Descriptor Vendor ID Register. The DSP can change the Vendor ID by writing to this register during the Serial EEPROM initialization. The default Vendor ID, 0x0456, corresponds to Analog Devices.

Table 8-35. USB Descriptor Vendor ID

 

V[15:0]

Vendor ID (default = 0x0456)

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

P15

P14

P13

P12

P11

P10

P9

P8

P7

P6

P5

P4

P3

P2

P1

P0

 

Figure 8-23. USB Descriptor Product ID

The Product ID returned by the GET DEVICE DESCRIPTOR command is contained in the USB Descriptor Product ID Register. The DSP can change the Product ID by writing to this register during the Serial EEPROM initialization. The default Product ID is 0x2192.

Table 8-36. USB Descriptor Product ID

 

P[15:0]

Product ID (default = 0x2192)

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R15

R14

R13

R12

R11

R10

R9

R8

R7

R6

R5

R4

R3

R2

R1

R0

Figure 8-24. USB Descriptor Release Number

The Release Number returned by the GET DEVICE DESCRIPTOR command is contained in USB Descriptor Release Number Register. The DSP can change the Release Number by writing to this register during the Serial EEPROM initialization. The default Release Number is 0x0100 which corresponds to version 01.00

Table 8-37. USB Descriptor Release Number

R[15:0]

Release Number (default = 0x0100)

 

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

C7

C6

C5

C4

C3

C2

C1

C0

1

SP

RW

0

0

0

0

0

Figure 8-25. USB Descriptor Device Attributes