UCS1003-3 datasheet(100/138 Pages) MICROCHIP

100 / 138 page

UCS1003-1/2/3

DS20005346B-page 100

 2014-2015 Microchip Technology Inc.

(ADDRESS 37h)(1)

U-0

R-0

—

S2_PUPD<1:0>

S2_TH<3:0>

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 7-6

Unimplemented:

Read as ‘0’

bit 5-4

S2_PUPD<1:0>:

Stimulus 2 Pull-Down Current Magnitude bits

Determines the magnitude of the pull-down current applied on the DPOUT and DMOUT pins when the

stimulus response is to apply a voltage and the voltage magnitude is set at pull-down (‘0000b’). The bit

decode is as follows:

=10 µA

=50 µA

=100 µA

=150 µA

bit 3-0

S2_TH<3:0>:

Stimulus 2 Threshold Value Definition bits

Defines the threshold value, as shown below, for the specified stimulus. If the stimulus VBUS voltage is

ready to be applied or applied (i.e., STIM2<2:0> = 000b or 111b), the threshold value is ignored.

0000

= 400 mV

0001

= 400 mV

0010

= 400 mV

0011

= 300 mV

0100

= 400 mV

0101

= 500 mV

0110

= 600 mV

0111

= 700 mV

1000

= 800 mV

1001

= 900 mV

1010

= 1400 mV

1011

= 1600 mV

1100

= 1800 mV

1101

= 2000 mV

1110

= 2200 mV

1111

= Do not use

Note 1:

The Legacy charger emulation profiles do not use these settings. Whenever a Legacy charger emulation

profile is applied within the DCE Cycle, these controls will not be updated and should be ignored. These

settings are only used by the BC1.2 CDP and DCP charger emulation profiles.

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