ADIN1100CCPZ-R7 datasheet(67/78 Pages) AD

67 / 78 page

Data Sheet

ADIN1100

ETHERNET CLAUSE 45 REGISTER DETAILS

analog.com

Rev. 0 | 67 of 78

Table 105. Bit Descriptions for LED_CNTRL

Bits

Bit Name

Description

Reset

Access

1: LED Mode 2. The LED blink frequency is set depending on the level of activity. 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 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.

0x0

R/W

The CLK25_REF, TX_TCLK, 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.

The following LED_FUNCTION settings are not qualified with link_status: LED_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.

Options TX_LEVEL_2P4, TX_LEVEL_1P0, master, and slave are optionally qualified by link status and this is

controlled via the LED0_LINK_ST_QUALIFY MMR.

The TX_LEVEL_2P4, TX_LEVEL_1P0, master, slave, MSTR_SLV_FAULT, AN_LINK_GOOD,

AN_COMPLETE, and TS_TIMER. These 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.

LED POLARITY REGISTER

Device Address: 0x1E; Register Address: 0x8C83, Reset: 0x0000, Name: LED_POLARITY

Allows the LED polarity to be automatically sensed by the internal logic or allows reconfiguration by the user.

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