ADIN1100CCPZ-R7 datasheet(66/78 Pages) AD

66 / 78 page

Data Sheet

ADIN1100

ETHERNET CLAUSE 45 REGISTER DETAILS

analog.com

Rev. 0 | 66 of 78

Table 105. Bit Descriptions for LED_CNTRL

Bits

Bit Name

Description

Reset

Access

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

640 ms and 1.5 sec.

[12:8]

LED1_FUNCTION

LED_1 Pin Function. Determines the source activity for the LED_1 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.

0x4

R/W

The following LED1_FUNCTION settings are not qualified with link_status: LED1_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, master, and slave options are optionally qualified by link_status and

this is controlled via the LED1_LINK_ST_QUALIFY MMR.

The TX_LEVEL_2P4, TX_LEVEL_1P0, master, slave, 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 (available in LED Mode 1 only).

8: LINKUP_RX_TX_ER (available in LED Mode 1 only).

9: RX_ER (available in LED Mode 1 only).

10: RX_TX_ER (available in LED Mode 1 only).

11: TX_SOP.

12: RX_SOP.

13: on.

14: off.

15: blink.

16: TX_LEVEL_2P4.

17: TX_LEVEL_1P0.

18: master.

19: slave.

20: INCOMPATIBLE_LINK_CFG.

21: AN_LINK_GOOD.

22: AN_COMPLETE.

23: TS_TIMER.

24: LOC_RCVR_STATUS.

25: REM_RCVR_STATUS.

26: CLK25_REF.

27: TX_TCLK.

28: CLK_120MHZ.

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, master, slave not qualified by link_status.

1: TX_LEVEL_2P4, TX_LEVEL_1P0, master, slave are qualified by link_status.

LED0_MODE

LED 0 Mode Selection.

0x0

R/W

0: LED Mode 1. If activity, blink at the rate defined by MMR LED0_BLINK_TIME_CNTRL.

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