UCS81003 datasheet(53/108 Pages) MICROCHIP

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DS20005334A-page 53

UCS81003

10.3.2

PROFILE STATUS 2 REGISTER

These bits indicate which profile was accepted. These

bits are indicators only and will not cause the ALERT#

pin or A_DET# pin to change states. These bits are

cleared under the following circumstances:

• the PWR_EN control is disabled

• a new Active mode is selected

• a Removal Detection event occurs.

PROFILE STATUS 2 REGISTER (ADDRESS 13H)

U-x

R-0

—

LG7

LG6

LG5

LG4

LG3

LG2

LG1

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

LG7: Indicates that the portable device successfully performed a handshake with the Legacy 7 charger emu-

lation profile and is charging. The high-speed switch will be controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting mode

is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom Current Lim-

iting Behavior Configuration Register”).

Handshake successful with the Legacy 7 charger emulation profile and charging.

Not charging with Legacy 7 charger emulation profile.

bit 5

LG6: Indicates that the portable device successfully performed a handshake with the Legacy 6 charger emu-

lation profile and is charging. The high-speed switch will be controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting mode

is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom Current Lim-

iting Behavior Configuration Register”).

Handshake successful with the Legacy 6 charger emulation profile and charging.

Not charging with Legacy 6 charger emulation profile.

bit 4

LG5: Indicates that the portable device successfully performed a handshake with the Legacy 5 charger emu-

lation profile and is charging. The high-speed switch will be controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting mode

is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom Current Lim-

iting Behavior Configuration Register”).

Handshake successful with the Legacy 5 charger emulation profile and charging.

Not charging with Legacy 5 charger emulation profile.

bit 3

LG4: Indicates that the portable device successfully performed a handshake with the Legacy 4 charger emu-

lation profile and is charging. The high-speed switch will be controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting mode

is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom Current Lim-

iting Behavior Configuration Register”).

Handshake successful with the Legacy 4 charger emulation profile and charging.

Not charging with Legacy 4 charger emulation profile.

bit 2

LG3: Indicates that the portable device successfully performed a handshake with the Legacy 3 charger emu-

lation profile and is charging. The high-speed switch will be controlled via the HSW_DCE bit (see

Section 10.4.5 “High-Speed Switch Configuration Register”). The port power switch current limiting mode

is determined by the Custom current limiting behavior settings (see Section 10.14.2 “Custom Current Lim-

iting Behavior Configuration Register”).

Handshake successful with the Legacy 3 charger emulation profile and charging.

Not charging with Legacy 3 charger emulation profile.

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