Lenovo K920 Schematic Diagrams
5544332211D DC CB BA ANote: R102 is only needed for BSCAN mode.If BSCAN is not used, leave MODE_0 andMODE_1 floating since both pins are default pulldown.MODE PIN00 = Native mode11 = Boundary Scan-(BSCAN) modeRemove R113 at EVT if no issue foundPlace near MSMR117 & R118 reservered for disable USB3.0HSIC Interface is not usedConnect HSIC_CAL to GND following Qualcomm's suggestionPlace R107 close to MSM8974within 5mm. Keep SDC1 and SDC2 trace lengthsless than 50mm and length matching within 1mm.NC Rev.HR107A 33 ohm termination resistor on SDC1_CLKis recommended for eMMC4.5 HS200.Use a 24 ohm 1% resistor for eMMC5.0 HS400MSM_EBI0_CALMSM_EBI1_CALMSM_ZQ_AMSM_ZQ_BMSM_SDC1_CLKVREG_S3A_1P8VREF_LPDDR3_DQVREF_LPDDR3_CAUSB1_PHY_VBUSWCSS_XO[25,28]XO_OUT_D0[1,11]SLEEP_CLK[11]XO_OUT_D0_EN[11]MSM_RESIN_N[11,15]MSM_RESOUT_N[16,25]MSM_PS_HOLD[11]JTAG_SRST_N[26]JTAG_TCK[26]JTAG_TDI[26]JTAG_TMS[26]JTAG_TRST_N[26]JTAG_TDO[26]SDC1_CLK [16]SDC1_CMD [16]SDC1_DATA_0 [16]SDC1_DATA_1 [16]SDC1_DATA_2 [16]SDC1_DATA_3 [16]SDC1_DATA_4 [16]SDC1_DATA_5 [16]SDC1_DATA_6 [16]SDC1_DATA_7 [16]USB1_HS_DM_CPU [26,27]USB1_HS_DP_CPU [26,27]XO_OUT_D0 [1,11]PMIC_SPMI_CLK [11,15]PMIC_SPMI_DATA [11,15]MSM_THERM [11]USB1_SS_RX0M [23]USB1_SS_RX0P [23]USB1_SS_TX0M [23]USB1_SS_TX0P [23]DIFFCLK_M [11]DIFFCLK_P [11]MODE[26]TitleSize Document Number RevDate: Sheet ofP01. MSM8974 CONTROL 0.11K920A31 58Tuesday, August 05, 2014Lenovo |
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