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UCS2113 数据表(PDF) 32 Page - Microchip Technology |
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UCS2113 数据表(HTML) 32 Page - Microchip Technology |
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32 / 62 page  UCS2113 DS20005680B-page 32 2016-2021 Microchip Technology Inc. and its subsidiaries 8.0 REGISTER DESCRIPTION The registers shown in Table 8-1 are accessible through the SMBus or I2C. An entry of ‘—’ indicates that the bit is not used. Writing to these bits will have no effect and reading these bits will return ‘0’. Writing to a reserved bit may cause unexpected results and reading from a reserved bit will return either ‘1’ or ‘0’ as indicated in the bit description. While in the Sleep state, the UCS2113 will retain configuration and charge rationing data as indicated in the text. If a register does not indicate that data will be retained in the Sleep power state, this information will be lost when the UCS2113 enters the Sleep power state. TABLE 8-1: REGISTER SET IN HEXADECIMAL ORDER Register Address Register Name R/W Function Default Value Page No. 00h Port 1 Current Measurement R Stores the current measurement for Port 1 00h 33 01h Port 2 Current Measurement R Stores the current measurement for Port 2 00h 33 02h Port Status R Indicates Port and general status 00h 34 03h Interrupt Status1 See Text Indicates why ALERT# pin asserted for Port 1 00h 35 04h Interrupt Status2 See Text Indicates why ALERT# pin asserted for Port 2 00h 37 0Fh General Status1 R/R-C Indicates General Status for Port 1 00h 39 10h General Status2 R/R-C Indicates General Status for Port 2 00h 40 11h General Configuration1 R/W Controls basic functionality for Port 1 06h 41 12h General Configuration2 R/W Controls basic functionality for Port 2 02h 42 13h General Configuration3 R/W Controls other functionality 60h 43 14h Current Limit R/W Controls/Displays MAX Current Limit per port 00h 44 15h Auto-Recovery Configuration R/W Controls the Auto-Recovery functionality 2Ah 45 16h Port 1 Total Accumulated Charge High Byte R Stores the total accumulated charge delivered high byte, Port 1 00h 46 17h Port 1 Total Accumulated Charge Middle High Byte R Stores the total accumulated charge delivered middle high byte, Port 1 00h 46 18h Port 1 Total Accumulated Charge Middle Low Byte R Stores the total accumulated charge delivered middle low byte, Port 1 00h 46 19h Port 1 Total Accumulated Charge Low Byte R Stores the total accumulated charge delivered low byte, Port 1 00h 46 1Ah Port 2 Total Accumulated Charge High Byte R Stores the total accumulated charge delivered high byte, Port 2 00h 47 1Bh Port 2 Total Accumulated Charge Middle High Byte R Stores the total accumulated charge delivered middle high byte, Port 2 00h 47 1Ch Port 2 Total Accumulated Charge Middle Low Byte R Stores the total accumulated charge delivered middle low byte, Port 2 00h 47 1Dh Port 2 Total Accumulated Charge Low Byte R Stores the total accumulated charge delivered low byte, Port 2 00h 47 1Eh Port 1 Charge Rationing Threshold High Byte R/W Sets the maximum allowed charge that will be delivered to Port 1 FFh 48 1Fh Port 1 Charge Rationing Threshold Low Byte R/W Sets the maximum allowed charge that will be delivered to Port 1 FFh 48 20h Port 2 Charge Rationing Threshold High Byte R/W Sets the maximum allowed charge that will be delivered to Port 2 FFh 48 |
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