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UCS1003-2 Scheda tecnica(PDF) 64 Page - Microchip Technology

Il numero della parte UCS1003-2
Spiegazioni elettronici  USB Port Power Controller with Charger Emulation
PDF  138 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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UCS1003-2 Scheda tecnica(HTML) 64 Page - Microchip Technology

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UCS1003-1/2/3
DS20005346B-page 64
 2014-2015 Microchip Technology Inc.
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 mAh. The register value is reset to 00_00h only
when the RTN_RST bit is set or if the RTN_EN bit is
cleared. This value will be retained when the device
transitions out of the Active state, and resumes accu-
mulation if the device returns to the Active state and
charge rationing is still enabled.
These registers are updated every second while the
UCS1003-1 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 “Charge Rationing
Threshold Registers”
).
Name
Bits Address Cof Default
Total Accumulated
Charge High Byte
8
01h
R
00h
Total Accumulated
Charge Middle High
Byte
8
02h
R
00h
Total Accumulated
Charge Middle Low
Byte
8
03h
R
00h
Total Accumulated
Charge Low Byte
8
04h
R
00h
REGISTER 10-1:
TOTAL ACCUMULATED CHARGE REGISTERS (ADDRESSES 01h-04h)
R-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
ACC<25:18>
bit 31
bit 24
R-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
ACC<17:10>
bit 23
bit 26
R-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
ACC<9:2>
bit 15
bit 8
R-0
R-0
U-0
U-0
U-0
U-0
U-0
U-0
ACC<1:0>
—
—
—
—
—
—
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 31-6
ACC<25:0>:
Total Accumulated Charge bits
1 LSB = 0.00325 mAh
bit 5-0
Unimplemented:
Read as ‘0’



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