AD9166 datasheet(94/138 Pages) AD

94 / 138 page

AD9166

Data Sheet

Rev. 0 | Page 94 of 138

Hex.

Addr.

Bit

No.

Bit Name

Settings

Description

Reset

Access

SPI_CP_CAL_VALID_RB

This bit tells the user if the

charge pump calibration has

completed and is valid.

0x0

0 Charge pump calibration is

not valid.

1 Charge pump calibration is

valid.

[2:1] Reserved

Reserved.

0x0

SPI_PLL_LOCK_RB

If set, the SERDES synthesizer

is locked.

0x0

0 PLL is not locked.

1 PLL is locked.

0x289

REF_CLK_DIVIDER_LDO

[7:2] Reserved

Reserved.

0x0

[1:0] SERDES_PLL_DIV_FACTOR

SERDES PLL reference clock

division factor. This field

controls the division of the

SERDES PLL reference clock

before it is fed into the

SERDES PLL PFD. It must be

set so that fREF/division factor is

between 35 MHz and 80 MHz.

0x0

R/W

00 Divide by 4 for lane rate

between 6 Gbps and

12.5 Gbps.

01 Divide by 2 for lane rate

between 3 Gbps and 6 Gbps.

10 Divide by 1 for lane rate

between 1.5 Gbps and 3 Gbps.

0x2A7

TERM_BLK1_CTRLREG0

[7:1] Reserved

Reserved.

0x0

SPI_I_TUNE_R_CAL_TERMBLK1

Rising edge of this bit starts a

termination calibration

routine.

0x0

R/W

0x2A8

TERM_BLK1_CTRLREG1

[7:0] SPI_I_SERIALIZER_RTRIM_

TERMBLK1

SPI override for termination

value for PHY 0, PHY 1, PHY 6,

and PHY 7. Value options are

as follows:

0x0

R/W

XXX0XXXX Automatically calibrate

termination value.

XXX1000X Force 000 as termination value.

XXX1001X Force 001 as termination value.

XXX1010X Force 010 as termination value.

XXX1011X Force 011 as termination value.

XXX1100X Force 100 as termination value.

XXX1101X Force 101 as termination value.

XXX1110X Force 110 as termination value.

XXX1111X Force 111 as termination value.

XXX1000X Force 000 as termination value.

0x2AC

TERM_BLK1_RD_REG0

[7:4] Reserved

Reserved.

0x0

[3:0] SPI_O_RCAL_CODE_TERMBLK1

Readback of calibration code

for PHY 0, PHY 1, PHY 6, and

PHY 7.

0x0

0x2AE

TERM_BLK2_CTRLREG0

[7:1] Reserved

Reserved.

0x0

SPI_I_TUNE_R_CAL_TERMBLK2

Rising edge of this bit starts a

termination calibration

routine.

0x0

R/W

AD9166 Datasheet(PDF) 94 Page - Analog Devices

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