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TUSB1046AI-DCI датащи(PDF) 21 Page - Texas Instruments |
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TUSB1046AI-DCI датащи(HTML) 21 Page - Texas Instruments |
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21 / 48 page ![]() T d_pg VCC Internal Power Good T Cfg_su TCfg_hd DISABLED USB3.1- only FLIP = 0 If (( CTL[1:0 ] ==2'b 00 | CTL[1:0 ] ==2'b 01 ) & FLIP == 0 ) { USB3.1- only no FLIP; } ELSEIF((CTL[1:0 ] ==2'b 00 | CTL[1:0 ] ==2'b01 ) & FLIP == 1 ){ USB3.1- only with FLIP ; } ELSEIF(CTL[1:0 ] ==2'b 10 & FLIP ==0 ) { 4-Lane DP no FLIP; } ELSEIF(CTL[1:0 ] ==2'b 10 & FLIP ==1 ){ 4-Lane DP with FLIP ; } ELSEIF(CTL[1:0 ] ==2'b 11 & FLIP ==0 ) { 2-Lane DP USB3.1 no FLIP; } ELSE{ 2-Lane DP USB3.1 with FLIP ; }; CTL[1:0 ] pins FLIP pin CFG pins In GPIO mode DISABLED USB3.1- only FLIP = 0 TUSB1046A-DCI In I2C mode Mode of operation determined by value of FLIPSEL bit and CTLSEL[1:0] bits at offset0x0A. Default is USB3.1- only no Flip. Tctl_db V CC (min) TUSB1046A-DCI 21 TUSB1046A-DCI www.ti.com SLLSF13 – JUNE 2017 Product Folder Links: TUSB1046A-DCI Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Following pins comprise CFG pins: I2C_EN, EQ[1:0], SSEQ[1:0], and DPEQ[1:0]. (2) Recommend CFG pins are stable when VCC is at min. 8.4.6 Operation Timing – Power Up Figure 18. Power-Up Timing Table 8. Power-Up Timing(1)(2) PARAMETER MIN MAX UNIT td_pg VCC (minimum) to Internal Power Good asserted high 500 µs tcfg_su CFG(1) pins setup(2) 250 µs tcfg_hd CFG(1) pins hold 10 µs tCTL_DB CTL[1:0] and FLIP pin debounce 16 ms tVCC_RAMP VCC supply ramp requirement 100 ms |
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