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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UCS1002-2 датащи(PDF) 97 Page - Microchip Technology |
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UCS1002-2 датащи(HTML) 97 Page - Microchip Technology |
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97 / 114 page  Programmable USB Port Power Controller with Charger Emulation Datasheet SMSC UCS1002 97 Revision 1.4 (07-16-13) DATASHEET 10.12.5 Emulation Stimulus X - Config 3 - 33h, 37h, 3Bh The contents of this register are retained in Sleep. APPLICATION NOTE: The Legacy charger emulation profiles do not use these settings. Whenever a Legacy charger emulation profile is applied within the DCE Cycle, these controls will not be updated and should be ignored. These settings are only used by the BC1.2 CDP and DCP charger emulation profiles. Bits 5 - 4 - SX_PUPD[1:0] - Determines the magnitude of the pull-down current applied on the DPOUT and DMOUT pins when the stimulus response is to apply a voltage and the voltage magnitude is set at pull-down (0000b). The bit decode is given in Table 10.34. Bits 3 - 0 - SX_TH[3:0] - Defines the threshold value, as shown in Table 10.35, for the specified stimulus. If the stimulus is VBUS voltage is ready to be applied or applied (i.e., STIMX[2:0] = 000b or 111b), the threshold value is ignored. 0111 700 mV 1000 800 mV 1001 900 mV 1010 1400 mV 1011 1600 mV 1100 1800 mV 1101 2000 mV 1110 2200 mV 1111 Do not use Table 10.34 Pull-Down Magnitude SX_PUPD PULL-DOWN CURRENT 10 00 10 μA 01 50 μA 10 100 μA 11 150 μA Table 10.33 Stimulus Response Voltage Options (continued) SX_RXMAG[3:0] SETTING VOLTAGE ON DPOUT / DMOUT 3210 |
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