UCS2112 datasheet(54/64 Pages) MICROCHIP

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UCS2112

DS20005424B-page 54

 2015 Microchip Technology Inc.

9.8

Current Limit Behavior Registers

The Current Limit Behavior register stores the values

used by the applied current limiting mode (trip or CC).

The contents of this register are not retained in Sleep.

PORT 1 CURRENT LIMIT BEHAVIOR REGISTER (ADDRESS 23H)

R/W-1

R/W-0

U-0

R/W-1

R/W-0

R/W-1

R/W-0

SEL_VBUS1_MIN<1:0>

—

SEL_R2_IMIN1<2:0>

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 7-6

SEL_VBUS1_MIN<1:0>:

Define the VBUS_MIN voltage for port 1 as follows:

= 1.50V

=1.75V

=2.0V

=2.25V

bit 5

Unimplemented

bit 4-2

SEL_R2_IMIN1<2:0>:

Defines the IBUS_R2MIN current.

000

=100 mA

001

=530 mA

010

=960 mA

011

=1280 mA

100

=1600 mA

101

=2130 mA

bit 1-0

Reserved:

Do not change.

PORT 2 CURRENT LIMIT BEHAVIOR REGISTER (ADDRESS 24H)

R/W-1

R/W-0

U-0

R/W-1

R/W-0

R/W-1

R/W-0

SEL_VBUS2_MIN<1:0>

—

SEL_R2_IMIN2_MIN<2:0>

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 7-6

SEL_VBUS2_MIN<1:0>:

Define the VBUS_MIN voltage for port 2 as follows:

= 1.50V

=1.75V

=2.0V

=2.25V

bit 5

Unimplemented

bit 4-2

SEL_R2_IMIN2_MIN<2:0>:

Defines the IBUS_R2MIN current.

000

=100 mA

001

=530 mA

010

=960 mA

011

=1280 mA

100

=1600 mA

101

=2130 mA

bit 1-0

Reserved

: Do not change.

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