MCS7840 datasheet(25/41 Pages) ETC2

25 / 41 page

MCS7840

USB-2.0 to Four Serial Ports

Rev.

1.2

Page 25

Endpoint-1

Serial Port 1

Bulk-In

Endpoint-2

Serial Port 1

Bulk-Out

Endpoint-3

Serial Port 2

Bulk-In

Endpoint-4

Serial Port 2

Bulk-Out

Conﬁguration Descriptor

Index

Data

bLength

8’h07

bDescriptorType

8’h05

bEndpointAddress

8’h81

bmAttributes

8’h02

wMaxPacketSize(L)

8’h40/8’h00 *

wMaxPacketSize(M)

8’h00/8’h02 *

bInterval

8’hFF

Conﬁguration Descriptor

Index

Data

bLength

8’h07

bDescriptorType

8’h05

bEndpointAddress

8’h02

bmAttributes

8’h02

WmaxPacketSize(L)

8’h40/8’h00 *

WmaxPacketSize(M)

8’h00/8’h02 *

bInterval

8’hFF

Conﬁguration Descriptor

Index

Data

bLength

8’h07

bDescriptorType

8’h05

bEndpointAddress

8’h83

bmAttributes

8’h02

wMaxPacketSize(L)

8’h40/8’h00 *

wMaxPacketSize(M)

8’h00/8’h02 *

bInterval

8’hFF

Conﬁguration Descriptor

Index

Data

bLength

8’h07

bDescriptorType

8’h05

bEndpointAddress

8’h04

bmAttributes

8’h02

wMaxPacketSize(L)

8’h40/8’h00 *

wMaxPacketSize(M)

8’h00/8’h02 *

bInterval

8’hFF

* Values for Full Speed & High Speed

USB

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