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UCS1003-3 Scheda tecnica(PDF) 111 Page - Microchip Technology

Il numero della parte UCS1003-3
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
Logo MICROCHIP - Microchip Technology

UCS1003-3 Scheda tecnica(HTML) 111 Page - Microchip Technology

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DS20005346B-page 111
UCS1003-1/2/3
REGISTER 10-38: CUSTOM EMULATION STIMULUS 1 CONFIGURATION 3 REGISTER
(ADDRESS 43h)(1)
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
—
—
CS_S1_PUPD<1:0>
CS_S1_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
CS_S1_PUPD<1:0>:
Stimulus 1 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 given below.
00
= 10 µA
01
= 50 µA
10
= 100 µA
11
= 150 µA
bit 3-0
CS_S1_TH<3:0>:
Stimulus 3 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., CS_STIM1<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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