DP83849CVSSLASHNOPB datasheet(65/101 Pages) TI1

Part #	DP83849CVS/NOPB

Description	PHYTER DUAL Commercial Temperature Dual Port 10/100 Mb/s Ethernet Physical Layer Transceiver

PDF	101 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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7.2.5 LED Direct Control Register (LEDCR)

This register provides the ability to directly control any or all LED outputs. It does not provide read access to LEDs. In

addition, it provides control for the Activity source and blinking LED frequency.

Table 37. LED Direct Control Register (LEDCR), address 18h

Bit

Bit Name

Default

Description

15:9

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

LEDACT_RX

0, RW

1 = Activity is only indicated for Receive traffic

0 = Activity is indicated for Transmit or Receive traffic

7:6

BLINK_FREQ

00, RW

LED Blink Frequency

These bits control the blink frequency of the LED_LINK output

when blinking on activity is enabled.

0 = 6Hz

1 = 12Hz

2 = 24Hz

3 = 48Hz

DRV_SPDLED

0, RW

1 = Drive value of SPDLED bit onto LED_SPEED output

0 = Normal operation

DRV_LNKLED

0, RW

1 = Drive value of LNKLED bit onto LED_LINK output

0 = Normal operation

DRV_ACTLED

0, RW

1 = Drive value of ACTLED bit onto LED_ACT/LED_COL output

0 = Normal operation

SPDLED

0, RW

Value to force on LED_SPEED output

LNKLED

0, RW

Value to force on LED_LINK output

ACTLED

0, RW

Value to force on LED_ACT/LED_COL output

DP83849CVS/NOPB Datasheet(PDF) 65 Page - Texas Instruments

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