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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) 78 Page - Microchip Technology |
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UCS1002-2 датащи(HTML) 78 Page - Microchip Technology |
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78 / 114 page  Programmable USB Port Power Controller with Charger Emulation Datasheet Revision 1.4 (07-16-13) 78 SMSC UCS1002 DATASHEET 10.4 Configuration Registers The Configuration registers control basic device functionality. 10.4.1 General Configuration - 15h The contents of this register are retained in Sleep. Bit 7 - ALERT_MASK - Disables the ALERT# pin from asserting in the case of an error. ‘0’ (default) - The ALERT# pin will be asserted if an error condition or indicator event is detected. ‘1’ - The ALERT# pin will not be asserted in the event of an error condition. Bit 5 - ALERT_LINK - Links the ALERT# pin to be asserted when the LOW_CUR and/or TREG bits are set. ‘0’ (default) - The ALERT# pin will not be asserted if the LOW_CUR or TREG indicator bit is set. ‘1’ - The ALERT# pin will be asserted if the LOW_CUR or TREG indicator bit is set. Bit 4 - DISCHARGE - Forces the VBUS to be reset and discharged when the UCS1002 is in the Active state. Writing this bit to a logic ‘1’ will cause the port power switch to be opened and the discharge circuitry to activate to discharge VBUS. The port power switch will remain open while this bit is ‘1’. This bit is not self-clearing. Bit 3 - RATION_EN - Enables charge rationing functionality and power monitoring. ‘0’ (default) - Charge rationing is disabled. The Total Accumulated Charge registers will be cleared to 00_00h and current data will no longer be accumulated. If the Total Accumulated Charge registers have already reached the Charge Rationing Threshold (see Section 10.6, "Charge Rationing Threshold Registers"), the applied response will be removed as if the charge rationing had been reset. This will also clear the RATION status bit (if set). ‘1’ - Charge rationing is enabled (see Section 7.5, "Battery Full"). Bit 2 - RATION_RST - Resets the charge rationing functionality. When this bit is set to ‘1’, the Total Accumulated Charge registers are reset to 00_00h. In addition, when this bit is set, the RATION status bit will be cleared and, if there are no other errors or active indicators, the ALERT# pin will be released. Table 10.7 Configuration Registers ADDR R/W REGISTER B7 B6 B5 B4 B3 B2 B1 B0 DEFAULT 15h R/W General Configuration ALERT_ MASK -ALERT _LINK DISCH ARGE RATION _EN RATION _RST RATION_BEH [1:0] 01h 16h R/W Emulation Configuration DIS_TO - - EM_TI MEOU T_DIS EM_R ETRY LEAVE_ EMU _RESP EM_RESET_ TIME[1:0] 8Ch 17h R/W Switch Configuration PIN_IG NORE -EM_ EN_ SET M2_ SET M1_ SET S0_ SET PWR_ EN_ SET LATCH _SET 04h 18h R/W Attach Detect Configuration 0 1 0 0 DISCHG_TIME_ SEL[1:0] ATT_TH[1:0] 46h 25h R/W High-speed Switch Configuration -- - 1 HSW_C UST HSW_ CDP HSW_ DET HSW_ DCE 14h |
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