Datasheet

Table Of Contents
TLK100
www.ti.com
SLLS931BAUGUST 2009REVISED DECEMBER 2009
8.4.13 LED Direct Control Register (LEDCR)
This register provides the ability to directly control any or all LED outputs. The polarity, pulse width and
blink rates can be programmed using this register.
Table 8-26. LED Direct Control Register (LEDCR), address 0x0018
BIT NAME DEFAULT DESCRIPTION
15 LEDs Enable 1,RW 1 = Enable LEDs
0 = Disable LEDs
14:13 Pulse Width 0x2,RW 00 = 50mSec
01 = 100mSec
10 = 200mSec
11 = 500mSec
12 Force Interrupt 0,RW 1 = Assert interrupt pin
0 = Normal interrupt mode
11:10 Reserved 0,RO Ignore on read
9:8 Blink Rate 0x2,RW 00 = 20Hz (50mSec)
01 = 10Hz (100mSec)
10 = 5Hz (200mSec)
11 = 2Hz (500mSec)
7 Reserved 0,RO Ignore on read
6:5 LED Mode 0,SOR,RW 01 = Mode1
00 = Mode2
10 = Mode3
4:3 Reserved 0,RO Ignore on read
2 LED ACT Polarity SOR,RW 0 = Active low
1 = Active high
1 LED SPEED Polarity SOR,RW 0 = Active low
1 = Active high
0 LED LINK Polarity SOR,RW 0 = Active low
1 = Active high
8.4.14 Power Down Register (PDR)
This register provides control for doing a software reset of the PHY.
Table 8-27. Power Down Register (PDR), address 0x001F
BIT NAME DEFAULT DESCRIPTION
15 Software Global 0,RW,SC 1 = Reset PHY (Same effect as in hardware reset, including registers reset)
Reset 0 = Normal mode
14:0 Reserved 0,RO Always write zero
Copyright © 2009, Texas Instruments Incorporated Register Block 59
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