ADIN1101BCPZ-R7 datasheet(68/79 Pages) AD

68 / 79 page

Data Sheet

ADIN1101

analog.com

Rev. A | 68 of 79

Table 112. Bit Descriptions for LED_CNTRL

Bits

Bit Name

Description

Reset

Access

[15:8]

RESERVED

Reserved.

0x8E

R/W

LED0_EN

LED_0 Enable. A disabled LED is off. An enabled LED can be on or blinking depending on

LED0_FUNCTION selection and activity

0x1

R/W

LED0_LINK_ST_QUALIFY

Qualify Certain LED_0 Options with link_status.

0x0

R/W

0: TX_LEVEL_2P4, TX_LEVEL_1P0, leader, follower not qualified by link_status.

1: TX_LEVEL_2P4, TX_LEVEL_1P0, leader, follower is qualified by link_status.

LED0_MODE

LED_0 Mode Selection. 1: Mode 2 ()

0x0

R/W

0: LED_MODE1. If there is activity, blink at the rate defined by MMR LED0_BLINK_TIME_CNTRL.

1: LED_MODE2. The LED blink frequency is set depending on the activity level. The activity level is graded

in steps of 10%, and the frequency of the LED adjusts accordingly. A higher activity level means a longer

off duration and a shorter on duration. The activity level is reevaluated after a window period that varies

between 640 ms and 1.5 sec.

[4:0]

LED0_FUNCTION

LED_0 Pin Function. Determines the source activity for the LED_0 pin. The CLK25_REF, TX_TCLK, and

CLK_120MHZ options are clock out features with the LED controller bypassed. The waveform transmitted off

chip is dependent on the selected clock source frequency.

0x0

R/W

The following LED_FUNCTION settings are not qualified with link_status. LED0_FUNCTION =

on, off, blink, INCOMPATIBLE_LINK_CFG, AN_LINK_GOOD, AN_COMPLETE, LOC_RCVR_STATUS,

REM_RCVR_STATUS, CLK25_REF, TX_TCLK, and CLK_120MHz.

The TX_LEVEL_2P4, TX_LEVEL_1P0, leader, and follower options are optionally qualified by link_status

and controlled via the LED0_LINK_ST_QUALIFY MMR.

The TX_LEVEL_2P4,TX_LEVEL_1P0, leader, follower, MSTR_SLV_FAULT, AN_LINK_GOOD,

AN_COMPLETE, and TS_TIMER options are considered status indicators and the LED controller is not

used. If the programmed signal is high, the LED is static on, and if the programmed signal is low, the LED is

static off.

0: LINKUP_TXRX_ACTIVITY.

1: LINKUP_TX_ACTIVITY.

2: LINKUP_RX_ACTIVITY.

3: LINKUP_ONLY.

4: TXRX_ACTIVITY.

5: TX_ACTIVITY.

6: RX_ACTIVITY.

7: LINKUP_RX_ER.

8: LINKUP_RX_TX_ER.

9: RX_ER.

10: RX_TX_ER.

11: TX_SOP.

12: RX_SOP.

13: on.

14: off.

15: blink.

16: TX_LEVEL_2P4.

17: TX_LEVEL_1P0.

18: leader.

19: follower.

20: INCOMPATIBLE_LINK_CFG.

21: AN_LINK_GOOD.

22: AN_COMPLETE.

23: TS_TIMER.

24: LOC_RCVR_STATUS.

25: REM_RCVR_STATUS.

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