UCS1003-2 datasheet(85/138 Pages) MICROCHIP

tên linh kiện	UCS1003-2

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

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DS20005346B-page 85

UCS1003-1/2/3

10.10 Preloaded Emulation Enable

Registers

The Preloaded Emulation Enable registers enable the

charger emulation profiles used by the emulation circuitry.

The contents of these registers are retained in Sleep.

Name

Bits Address

Cof

Default

BCS Emulation Enable

20h

R/W

06h

Legacy Emulation

Enable

21h

R/W

00h

U-0

R/W-0

U-0

R/W-1

R/W-0

—

DCP_EM_DIS

—

RESERVED

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 7-5

Unimplemented:

Read as ‘0’

bit 4

DCP_EM_DIS:

DCP Charger Emulation Profile in the DCE Cycle Disable bit

This bit is ignored if the M1, M2 and EM_EN control settings have selected DCP mode (see Table 9-1).

= The BC1.2 DCP charger emulation profile is not enabled during the DCE Cycle

= The BC1.2 DCP charger emulation profile is enabled during the Dedicated Charger Emulation

Cycle mode

bit 3

Unimplemented:

Read as ‘0’

bit 2-0

Reserved:

Do not change

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