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UCS1002-2 数据表(PDF) 72 Page - Microchip Technology |
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UCS1002-2 数据表(HTML) 72 Page - Microchip Technology |
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72 / 114 page  Programmable USB Port Power Controller with Charger Emulation Datasheet Revision 1.4 (07-16-13) 72 SMSC UCS1002 DATASHEET 10.2 Total Accumulated Charge Registers The Total Accumulated Charge registers store the total accumulated charge delivered from the VS source to a portable device. The bit weighting of the registers is given in mA-hrs. The register value is reset to 00_00h only when the RATION_RST bit is set or if the RATION_EN bit is cleared. This value will be retained when the device transitions out of the Active state and resumes accumulation if the device returns to the Active state and charge rationing is still enabled. These registers are updated every one (1) second while the UCS1002 is in the Active power state. Every time the value is updated, it is compared against the target value in the Charge Rationing Threshold registers (see Section 10.6). This data is retained in the Sleep state. Table 10.3 Total Accumulated Charge Registers ADDR R/W REGISTER B7 B6 B5 B4 B3 B2 B1 B0 DEFAULT 01h R Total Accumulated Charge High Byte 90968 45484 22742 11371 5685 2843 1421 710.7 00h 02h R Total Accumulated Charge Middle High 355.4 177.7 88.84 44.42 22.21 11.10 5 5.552 2.776 00h 03h R Total Accumulated Charge Middle Low Byte 1.388 0.694 0 0.347 0 0.173 5 0.086 76 0.0 434 0.0 2169 0.01 084 00h 04h R Total Accumulated Charge Low Byte 0.00 5422 0.00 271 ------ 00h |
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