USB4604 datasheet(12/71 Pages) SMSC

12 / 71 page

USB 2.0 HSIC Hi-Speed 4-Port Hub Controller

Datasheet

Revision 1.0 (06-17-13)

SMSC USB4604

DATASHEET

Upstream

USB D-

(Flex Port 0)

FLEX_USBUP_DM

AIO

Upstream USB Port 0 D- data signal.

See Note 3.2.

Note:

The upstream Port 0 signals can be

optionally swapped with the

downstream Port 1 signals.

Port 0 D-

Disable

Configuration

Strap

PRT_DIS_M0

This strap is used in conjunction with

PRT_DIS_P0 to disable USB Port 0.

0 = Port 0 D- Enabled

1 = Port 0 D- Disabled

Note:

Both PRT_DIS_P0 and PRT_DIS_M0

must be tied to VDD33 at reset to place

Port 0 into HSIC mode.

See Note 3.3 for more information on

configuration straps.

Upstream

HSIC Data

(Flex Port 0)

FLEX_HSIC_UP_

DATA

HSIC

Upstream HSIC Port 0 DATA signal.

See Note 3.2.

Note:

The upstream Port 0 signals can be

optionally swapped with the

downstream Port 1 signals.

Upstream

HSIC Strobe

(Flex Port 0)

FLEX_HSIC_UP_

STROBE

HSIC

Upstream HSIC Port 0 STROBE signal.

See Note 3.2.

Note:

The upstream Port 0 signals can be

optionally swapped with the

downstream Port 1 signals.

Downstream

USB D+

(Swap Port 1)

SWAP_USBDN1_DP

AIO

Downstream USB Port 1 D+ data signal.

Note:

The downstream Port 1 signals can be

optionally swapped with the upstream

Port 0 signals.

Port 1 D+

Disable

Configuration

Strap

PRT_DIS_P1

This strap is used in conjunction with

PRT_DIS_M1 to disable USB Port 1.

0 = Port 1 D+ Enabled

1 = Port 1 D+ Disabled

Note:

Both PRT_DIS_P1 and PRT_DIS_M1

must be tied to VDD33 at reset to

disable the associated port.

See Note 3.3 for more information on

configuration straps.

Table 3.1 Pin Descriptions (continued)

NUM PINS

NAME

SYMBOL

BUFFER

TYPE

DESCRIPTION

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