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ADS42JB49 Datasheet(PDF) 46 Page - Texas Instruments |
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ADS42JB49 Datasheet(HTML) 46 Page - Texas Instruments |
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46 / 73 page ![]() ADS42JB49 ADS42JB69 SLAS900E – OCTOBER 2012 – REVISED AUGUST 2013 www.ti.com REGISTER REGISTER DATA ADDRESS A[7:0] (Hex) D7 D6 D5 D4 D3 D2 D1 D0 2B SCRAMBLE EN 0 0 0 0 0 0 0 Default: 00h D7 SCRAMBLE EN Scramble enable bit in the JESD204B interface 0 Scrambling disabled 1 Scrambling enabled REGISTER REGISTER DATA ADDRESS A[7:0] (Hex) D7 D6 D5 D4 D3 D2 D1 D0 OCTETS PER 2C 0 0 0 0 0 0 0 FRAME Default: 00h D[7:0] OCTETS PER FRAME Sets number of octets per frame (F) 0 10x mode using two lanes per ADC 1 20x mode using one lane per ADC REGISTER REGISTER DATA ADDRESS A[7:0] (Hex) D7 D6 D5 D4 D3 D2 D1 D0 2D 0 0 0 FRAMES PER MULTIFRAME Default: 00h D[4:0] FRAMES PER MULTIFRAME Sets number of frames per multiframe After reset, the default settings for frames per multiframe are: 10x K = 16 20x K = 8 For each mode, K should not be set to a lower value. REGISTER REGISTER DATA ADDRESS A[7:0] (Hex) D7 D6 D5 D4 D3 D2 D1 D0 30 SUBCLASS 0 0 0 0 0 Default: 40h D[7:5] SUBCLASS Sets JESD204B subclass. Note that the default value of these bits after reset is '010', which makes subclass 2 the default class. 000 Subclass 0 Backward compatibility with JESD204A 001 Subclass 1 Deterministic latency using SYSREF signal 010 Subclass 2 Deterministic latency using SYNC~ detection (default subclass after reset) 46 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: ADS42JB49 ADS42JB69 |
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