Host (pci/usb) port. Over view. Host Port Selection. Configuration Spaces. PCI Configuration Space, страница 19

MO

A value of 1 means: MCU has completed boot sequence and is ready to respond to USB commands

DI

A value of 1 means: Disconnect CONFIG device and enumerate again using the downloaded MCU configuration

BB

A value of 1 means: After reset boot from MCU RAM, 0 = after reset boot from

MCU ROM

RW

A value of 1 means: Enables remote wake-up capability, 0 = disables remote wake-up capability

INT

Active interrupt for the 8051 MCU

ISE

Current interrupt is for a SETUP token

IIN

Current interrupt is for an IN token sent with a non zero length data stage

IOU

Current interrupt is for an OUT token received with a non zero length data stage

BY

Busy bit. A value of 1 means: MCU is busy processing a command. USB interface responds with NAK to further IN/OUT requests from the host until MCU clears this bit.

ER

Error in the current SETUP transaction. Generate STALL condition on EP0.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

X

X

X

X

X

EP3

EP2

EP1

EP0

A6

A5

A4

A3

A2

A1

A0

A[6:0]

USB address assigned to device

EP[3:0]

USB last active Endpoint

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

X

X

X

X

FN1

FN9

FN8

FN7

FN6

FN5

FN4

FN3

FN2

FN1

FN1

FN0

FN[10:0]

USB frame number