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LMH0395 Datasheet(PDF) 20 Page - Texas Instruments |
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LMH0395 Datasheet(HTML) 20 Page - Texas Instruments |
20 / 33 page ![]() LMH0395 SNLS323M – AUGUST 2010 – REVISED JULY 2015 www.ti.com Register Maps (continued) Table 1. SPI Registers (continued) Address R/W Name Bits Field Default Description Launch amplitude optimization setting. 0: Normal optimization with no external attenuation (800 mVP-P 7 Launch Amplitude Control 0 launch amplitude). Launch Amplitude 02h R/W 1: Optimized for 6 dB external Control attenuation (400 mVP-P launch amplitude). Reserved as 1101000. Always 6:0 Reserved 1101000 write 1101000 to these bits. SDO1_DISABLE pin has precedence over this register setting; must set SDO1_DISABLE pin low first to allow control of Driver 1 Disable 7 Driver 1 Disable 0 through this register bit. 0: Output driver 1 (SDO1, SDO1) enabled. 1: Output driver 1 (SDO1, SDO1) disabled. 0: Output driver 0 (SDO0, SDO0) enabled. 6 Driver 0 Disable 0 1: Output driver 0 (SDO0, 03h R/W MUTEREF SDO0) disabled. 0: Use MUTEREF pin. 5 MUTEREF Mode 0 1: Use digital MUTEREF. Digital MUTEREF (10m per step). 00000: Mute when cable (EQ boost) ≥ 10 m. 4:0 Digital MUTEREF Setting 11111 ...... 01111: Mute when cable (EQ boost) ≥ 160 m. ...... 11111: Never mute. 7:6 Reserved 00 Reserved. 00: LMH0384 device. 01: LMH0394 device. 04h R Device ID 5:4 EQ ID 10 10: LMH0395 device. 11: Reserved. 3:0 Die Revision 0011 Die revision. 7:6 Reserved 00 Reserved. 0: SD. 05h R Rate Indicator 5 Rate Indicator 1: 3G/HD. 4:0 Reserved 11000 Reserved. Cable Length Indicator (CLI), with 10% accuracy. 00000000: Short cable. ...... 06h R Cable Length Indicator 7:0 Cable Length Indicator 11110111: Maximum cable. 11111000: Reserved. ...... 11111111: Reserved. 20 Submit Documentation Feedback Copyright © 2010–2015, Texas Instruments Incorporated Product Folder Links: LMH0395 |
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