ADS5294IPFP datasheet(44/81 Pages) TI1

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ADS5294

SLAS776D – NOVEMBER 2011 – REVISED SEPTEMBER 2015

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Table 6. Summary of Functions Supported by Serial Interface (1)(2)(3)(4) (continued)

ADDR.

D15

D14

D13

D12

D11

D10

NAME

DESCRIPTION

(HEX)

DATA_RATE<1:0>

Select output frame clock rate. Please see Output Data Rate Control.

Drive external reference mode through:

D15 = D3 = 1: the VCM pin;

EXT_REF_VCM

D15 = D3 = 0: REFT and REFB pins.

Note: 0xF0[15] should be set as '1' to enable the external reference

mode.

PHASE_DDR<1:0>

Controls phase of LCLK output relative to data

1: Enable deskew pattern mode;

PAT_DESKEW

0: Inactive

1: Enable sync pattern mode;

PAT_SYNC

0: Inactive

1: 2-wire LVDS output;

0: 1-wire LVDS output.

EN_2WIRE

Note: ~250us PLL settling time is required after programming the

EN_2WIRE bit from Default States After Reset.

1: 2s complement; (ADC data output format)

BTC_MODE

0: Binary Offset (ADC data output format)

1: MSB First;

MSB_FIRST

0: LSB First

1:SDR Bit Clock;

EN_SDR

0: DDR Bit Clock

Output serialization mode.

0001: 10 bit (EN_10BIT)

EN_BIT_SER

0010: 12 bit (EN_12BIT)

0100: 14 bit (EN_14BIT)

1000: 16 bit (EN_16BIT)

1: Controls LCLK rising or falling edge comes in the middle of data

FALL_SDR

window when operating in SDR output mode; 0: At the edge of data

window.

MAP_Ch1234_to_OUT1A

OUT1A Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT1B

OUT1B Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT2A

OUT2A Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT2B

OUT2B Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT3A

OUT3A Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT3B

OUT3B Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT4A

OUT4A Pin pair to channel data mapping selection

MAP_Ch1234_to_OUT4B

OUT4B Pin pair to channel data mapping selection

MAP_Ch5678_to_OUT5B

OUT5B Pin pair to channel data mapping selection

MAP_Ch5678_to_OUT5A

OUT5A Pin pair to channel data mapping selection

MAP_Ch5678_to_OUT6B

OUT6B Pin pair to channel data mapping selection

MAP_Ch5678_to_OUT6A

OUT6A Pin pair to channel data mapping selection

MAP_Ch5678_to_OUT7B

OUT7B Pin pair to channel data mapping selection

MAP_Ch5678_to_OUT7A

OUT7A Pin pair to channel data mapping selection

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