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DS64BR111 Datasheet(PDF) 28 Page - Texas Instruments |
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DS64BR111 Datasheet(HTML) 28 Page - Texas Instruments |
28 / 39 page DS64BR111 SNLS343C – SEPTEMBER 2011 – REVISED APRIL 2013 www.ti.com Table 9. SMBus Register Map (continued) Address Register Bits Field Type Default EEPROM Description Name Reg Bit 0x17 CH B 7 Sel_scp R/W 0xED Yes 1 = Short Circuit Protection ON Control 1 0 = Short Circuit Protection OFF 6 Reserved Yes Set bit to 1 5:3 Reserved Yes Set bits to = 101'b 2:0 Reserved Set bits to = 101'b 0x18 CH B 7:5 Reserved R 0x82 Set bits to = 100'b Control 2 4 Reserved R/W Set bit to 0 3 Reserved Set bit to 0 2:0 DEM [2:0] Yes De-Emphasis (Default = -3.5 dB) 000'b = -0.0 dB 001'b = -1.5 dB 010'b = -3.5 dB 011'b = -6.0 dB 100'b = -8.0 dB 101'b = -9.0 dB 110'b = -10.5 dB 111'b = -12.0 dB 0x19 CH B 7 Slow OOB R/W 0x00 Yes Slow OOB Enable (1); Disable (0) Idle 6:4 Reserved Set bits to 000'b. Threshold 3:2 idle_thA[1:0] Yes Assert Thresholds Use only if register 0x08 [6] = 1 00 = 180 mV (Default) 01 = 160 mV 10 = 210 mV 11= 190 mV 1:0 idle_thD[1:0] Yes De-assert Thresholds Use only if register 0x08 [6] = 1 00 = 110 mV (Default) 01 = 100 mV 10 = 150 mV 11= 130 mV 0x23 BR111 CH A 7:6 Reserved R/W 0x00 Set bits to 00'b. VOD 4:2 VOD_CH0[2:0] Yes DS64BR111 VOD Controls for CH A (Default = 000'b) 000'b = 700 mV 001'b = 800 mV 010'b = 900 mV 011'b = 1000 mV 100'b = 1100 mV 101'b = 1200 mV 110'b = 1300 mV 1:0 Reserved Set bits to 00'b. 0x25 Reserved 7:5 Reserved R/W 0xAD Set bits to 101'b. 4:2 Reserved Yes Set bits to 011'b. 1:0 Reserved Set bits to 01'b. 0x28 Idle Control 7 Reserved R/W 0x00 6 Override Fast Idle Yes 5:4 en_high_idle_th[1:0] Yes Enable high SD thresholds [5]: CH A [4]: CH B 3:2 en_fast_idle[1:0] Yes Enable Fast IDLE [3]: CH A [2]: CH B 1:0 Reserved Yes Set bits to 00'b. 28 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: DS64BR111 |
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