UCS1003-2 datasheet(96/138 Pages) MICROCHIP

96 / 138 page

UCS1003-1/2/3

DS20005346B-page 96

 2014-2015 Microchip Technology Inc.

(ADDRESS 34h)(1)

U-0

R-0

—

S1_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

S1_RATIO<2:0>:

Stimulus 1 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., S1_R1<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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