UFX6000 datasheet(21/51 Pages) SMSC

21 / 51 page

USB 2.0 Hi-Speed Graphics Controller with VGA, HDMI/DVI, and Digital RGB Interfaces

Datasheet

SMSC UFX6000

Revision 1.4 (06-24-13)

DATASHEET

Table 2.8 JTAG Pins

NUM PINS

NAME

SYMBOL

BUFFER

TYPE

DESCRIPTION

JTAG Test

Data Out

TDO

JTAG data output.

JTAG Test

Clock

TCK

JTAG test clock.

The maximum operating frequency of this clock is

25MHz.

JTAG Test

Mode Select

TMS

JTAG test mode select.

JTAG Test

Data Input

TDI

JTAG data input.

JTAG Test

Port Reset

nTRST

JTAG test port reset input.

Table 2.9 Miscellaneous Pins

NUM PINS

NAME

SYMBOL

BUFFER

TYPE

DESCRIPTION

LED

O8/

OD8

(PU)

Can be used to provide device status.

Alternatively, the LED can be configured for a fast

or slow blink in accordance with the USB

graphics data receive rate.

I2S Clock

Alternate

Input 1

I2SCLKALT1

I2S Clock alternate input 1. The I2S clock input

pin is selectable between the I2SCLKALT0 or

I2SCLKALT1 pins.

Note:

If the single data rate RGB interface is

enabled, I2SCLKALT1 should be used.

I2SCLKALT0 should be used in all other

cases.

General

Purpose I/O

GPIO24

IS/O8/

OD8

(PU)

Note 2.3

This General Purpose I/O pin is fully

programmable as either a push-pull output, an

open-drain output, or a Schmitt-triggered input.

Interrupt

INT

For use by external transmitter to signal an event

requiring servicing.

External

Reset Output

nEXTRST

Used to reset the external transmitter. The

polarity and period of the reset signal generated

on this pin is programmable via internal registers.

Switching

Regulator

Mode

nSW_MODE

When asserted, this pin can be used to place the

external switching regulator into power saving

mode.

Note:

The SW_MODE Polarity bit of

Configuration Flags 0 controls the

polarity of the pin.

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