UCS1003-3 datasheet(81/138 Pages) MICROCHIP

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 2014-2015 Microchip Technology Inc.

DS20005346B-page 81

UCS1003-1/2/3

10.6

Charge Rationing Threshold

Registers

The Charge Rationing Threshold registers set the

maximum allowed charge that will be delivered to a

portable device. Every time the Total Accumulated

Charge registers are updated, the value is checked

against this limit. If the value meets or exceeds this

limit, the RATION bit is set (see Section 10.4.1 “Gen-

eral Configuration Register”

) and action taken

according to the RATION_BEH<1:0> bits (see

Section 10.4.1 “General Configuration Register”

The units are in mAh, with a range from 0 to ~218429.

The contents of this register are retained in Sleep.

Name

Bits Address

Cof Default

Charge Rationing

Threshold High Byte

81Ah

R/W

FFh

Charge Rationing

Threshold Low Byte

81Bh

R/W

FFh

R/W-1

CHTHR<15:8>

bit 15

bit 8

R/W-1

CHTHR<7:0>

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 15-0

CHTHR<15:0>:

Charge Rationing Threshold bits

LSB = 3.333 mAh

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