USB Hub with Integrated 10/100 Ethernet Controller

 

 

 

 

 

Datasheet

 

 

Table 2.3 Miscellaneous Pins (continued)

 

 

 

 

 

 

NUM

 

 

 

BUFFER

 

PINS

NAME

SYMBOL

 

TYPE

DESCRIPTION

 

 

 

 

 

 

1

Test 2

TEST2

 

-

Used for factory testing, this pin must always be

 

 

 

 

connected to VSS for proper operation.

 

 

 

 

 

 

 

 

 

 

 

1

Test 3

TEST3

 

-

Used for factory testing, this pin must always be

 

 

 

 

connected to VDD33IO for proper operation.

 

 

 

 

 

 

1

24 MHz Clock

CLK24_EN

 

IS

This pin enables the generation of the 24 MHz

Enable

 

 

 

clock on the CLK_24_OUT pin.

 

 

 

 

 

 

 

 

 

 

1

24 MHz Clock

CLK24_OUT

 

08

This pin outputs a 24 MHz clock that can be used

 

 

 

 

a reference clock for a partner hub.

 

 

 

 

 

 

 

 

 

 

 

1

Test 4

TEST4

 

-

Used for factory testing, this pin must always be left

 

 

 

 

unconnected.

 

 

 

 

 

 

 

 

 

Table 2.4 USB Pins

 

 

 

 

 

 

NUM

 

 

 

BUFFER

 

PINS

NAME

SYMBOL

 

TYPE

DESCRIPTION

 

 

 

 

 

 

1

Upstream

USBDM0

 

AIO

Upstream USB DMINUS signal.

USB DMINUS 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Upstream

USBDP0

 

AIO

Upstream USB DPLUS signal.

USB

 

 

 

 

 

DPLUS 0

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDM2

 

AIO

Downstream USB peripheral 2 DMINUS signal.

USB DMINUS 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDP2

 

AIO

Downstream USB peripheral 2 DPLUS signal.

USB DPLUS 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDM3

 

AIO

Downstream USB peripheral 3 DMINUS signal.

USB DMINUS 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDP3

 

AIO

Downstream USB peripheral 3 DPLUS signal.

USB DPLUS 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDM4

 

AIO

Downstream USB peripheral 4 DMINUS signal.

USB DMINUS 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDP4

 

AIO

Downstream USB peripheral 4 DPLUS signal.

USB DPLUS 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDM5

 

AIO

Downstream USB peripheral 5 DMINUS signal.

USB DMINUS 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Downstream

USBDP5

 

AIO

Downstream USB peripheral 5 DPLUS signal.

USB DPLUS 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revision 1.0 (04-20-09)

12

SMSC LAN9514

 

DATASHEET