USB3803 datasheet(34/99 Pages) MICROCHIP

34 / 99 page

USB3803

DS00001691B-page 34

 2014-2015 Microchip Technology Inc.

5.3.32

Default = 0x00h

5.3.33

Default = 0x08h - Corresponds to I2C Address on USB3803 with I2C_ASEL=’00’.

PrtPwrInt

Read:

1 = Port Power register has been updated

0 = Port Power register has not been updated since last PrtPwrInt reset

Write:

1 = No Effect

0 = Negate PrtPwrInt status low

ChrgDetInt

Read:

1 = CHG_DET_N bit in Charger Detect Register has been asserted low

0 = CHG_DET_N bit has not been updated since last ChrgDetInt reset

Write:

1 = No Effect

0 = Negate ChrgDetInt status low

ChrgDetComp-

Int

Read:

1 = ChrgDetComplete bit in Charger Detect Register has been asserted high

0 = ChrgDetComplete bit in Charger Detect Register has not been updated since

last ChrgDetCompInt reset

Write:

1 = No Effect

0 = Negate ChrgDetCompInt status low

Bit Number

Bit Name

Description

7:5

Reserved

HubSuspMask 1 = INT_N pin is asserted low when Hub enters suspend

0 = INT_N pin is not affected by Hub entering suspend

HubCfgMask

1 = INT_N pin is asserted low when Hub configured by USB Host

0 = INT_N pin is not affected by Hub configuration event

PrtPwrMask

1 = INT_N pin is asserted low when Port Power register has been updated by

USB Host

0 = INT_N pin is not affected by Port Power register

ChrgDetMask

1 = INT_N pin is asserted low when CHG_DET_N bit in Charger Detect Register

is asserted low

0 = INT_N pin is not affected by CHG_DET_N

ChrgDetComp-

Mask

1 = INT_N pin is asserted low when ChrgDetComplete bit in Charger Detect

0 = INT_N pin is not affected by ChrgDetComplete

Bit Number

Bit Name

Description

Reserved

Reserved (serial port interface only uses a 7-bit address)

6:1

I2C_ADDR0

Read Only.

The six most significant bits of I2C Address when I2C_ASEL1 input pin is set to

‘0’

Reserved

Reserved (LSB of I2C Address controlled by I2C_ASEL0 Pin)

Bit Number

Bit Name

Description

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