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UCS81003 Datasheet(PDF) 67 Page - Microchip Technology

Part # UCS81003
Description  Automotive USB Port Power Controller with Charger Emulation
PDF  108 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

UCS81003 Datasheet(HTML) 67 Page - Microchip Technology

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 2014 Microchip Technology Inc.
DS20005334A-page 67
UCS81003
REGISTER 10-23: APPLIED CHARGER EMULATION REGISTER (ADDRESS 30H)
U-x
U-x
U-x
U-x
R-0
R-0
R-0
R-0
—
—
—
—
PRE_EM_SEL<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 7-4
Unimplemented
bit 3-0
PRE_EM_SEL<3:0>: Indicates which of the charger emulation profiles is being actively applied, as
shown below.
0000
=
Data Pass-through or BC1.2 SDP
0001
=
BC1.2 CDP
0010
=
BC1.2 DCP
0011
=
Legacy 1
0100
=
Legacy 2
0101
=
Legacy 3
0110
=
Legacy 4
0111
=
Legacy 5
1000
=
Legacy 6
1001
=
Legacy 7
1010
=
Custom Profile
All others = Not used
REGISTER 10-24: PRELOADED EMULATION STIMULUS 1 CONFIGURATION 1 REGISTER
(ADDRESS 31H)
U-x
R-0
R-0
R-0
R-0
R-0
R-0
R-0
—
S1_TD_TYPE
S1_TD<2:0>
STIM1<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
Unimplemented
bit 6
S1_TD_TYPE: Determines the behavior of the stimulus timer.
1
=
The stimulus timer controls how long the response is applied after the stimulus is detected. The
response is applied immediately and held for the duration of the timer then removed (if the stimulus
has been removed).
0
=
The stimulus timer is a delay from when the stimulus is detected until the response is performed.
bit 5-3
S1_TD<2:0>: Determines the stimulus 1 tSTIM_DEL value as shown below.
000
=0 ms
001
=1 ms
010
=5 ms
011
=10 ms
100
=20 ms
101
=40 ms
110
=80 ms
111
=100 ms



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