UCS1003-3 datasheet(101/138 Pages) MICROCHIP

Teilenummer	UCS1003-3

Bauteilbeschribung	USB Port Power Controller with Charger Emulation

PDF	138 Pages

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Hersteller	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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101 / 138 page

 2014-2015 Microchip Technology Inc.

DS20005346B-page 101

UCS1003-1/2/3

(ADDRESS 38h)(1)

U-0

R-0

—

S2_RATIO<2:0>

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 7-3

Unimplemented:

Read as ‘0’

bit 2-0

S2_RATIO<2:0>:

Stimulus 2 Voltage Divider Ratio bits

Determines the voltage divider ratio, as shown below, when the stimulus response is set to connect a

voltage divider (i.e., S2_R2<3:0> = 0110b, 1001b or 1100b).

000

= 0.25

001

= 0.33

010

= 0.4

011

= 0.5

100

= 0.54

101

= 0.6

110

= 0.66

111

= Do not use

Note 1:

The BC1.2 DCP and CDP charger emulation profiles do not use this control. Whenever the BC1.2 CDP or

DCP charger emulation profile is applied, these controls will not be updated and should be ignored. These

settings are only used by the Legacy charger emulation profiles.

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