UCS1002-2 datasheet(98/114 Pages) MICROCHIP

tên linh kiện	UCS1002-2

Giải thích chi tiết về linh kiện	Programmable USB Port Power Controller with Charger Emulation

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Programmable USB Port Power Controller with Charger Emulation

Datasheet

Revision 1.4 (07-16-13)

SMSC UCS1002

DATASHEET

10.12.6

Emulation Stimulus X - Config 4 - 34h, 38h

The contents of this register are retained in Sleep.

APPLICATION NOTE: 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.

Bits 2 - 0 - SX_RATIO[2:0] - Determines the voltage divider ratio, as shown in Table 10.36, when the

stimulus response is set to connect a voltage divider (i.e., SX_RX[3:0] = 0110b, 1001b, or 1100b).

Table 10.35 Stimulus Threshold Values

SX_TH[3:0] SETTING

VOLTAGE ON DPOUT / DMOUT

3210

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

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