MFC2000 datasheet(299/426 Pages) ETC

299 / 426 page

Multifunctional Peripheral Controller 2000

MFC2000

100723A

Conexant

16-1

16. USB INTERFACE

16.1 Function Description

The USBIF interface block interfaces to the PC, IPB bus and the DMA block. It bridges print and scan data

between the MFC2000 and the PC. It is compliant with USB protocol revision 1.1 and supports device remote-

wakeup feature. There are six endpoints in the MFC2000, two control endpoints (including endpoint 0), two BULK

IN endpoints and two BULK OUT endpoints. The MaxPacketSize for both the control endpoints are 8 byte and the

MaxPacketSize for the four bulk transfer pipes are 64 byte. Endpoint 0 supports the Get_Descriptor and USB

Vendor/Class commands. The USBIF contains in-silicon USB device controller core, four uni-directional FIFOs

and two bi-directional buffers. Description of USB device controller core can be found in UDC specification

document.

16.2 Register Description

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

USBEP1Fifo1

(R/W)

$01FF8581

EP1 Bulkin Half Word 1

Reset. Value

00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

USBEP1Fifo1

(R/W)

$01FF8580

EP1 Bulkin Half Word 1

Reset. Value

00h

Bits 15-0:

Endpoint 1 FIFO Quad Half word 1

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

USBEP1Fifo2

(R/W)

$01FF8583

EP1 Bulkin FIFO 2

Reset. Value

00h

Read Value

00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

USBEP1Fifo2

(R/W)

$01FF8582

EP1 Bulkin Half Word 2

Reset. Value

00h

Read Value

00h

Bits 15-0:

Endpoint 1 FIFO Quad Half word 2

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

USBEP1Fifo3

(R/W)

$01FF8585

EP1 Bulkin Half Word 3

Reset. Value

00h

Read Value

00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

USBEP1Fifo3

(R/W)

$01FF8584

EP1 Bulkin Half Word 3

Reset. Value

00h

Read Value

00h

Bits 15-0:

Endpoint 1 FIFO Quad Half word 3

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