FUSB303

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17

Table 23. STATUS1

(Address: 12h, Reset Value: 0000_0000b, Type: Read Only)

Bit #

Name

Size (Bits)

Description

7:2

Reserved

6

Do Not Use

1

FAULT

1

1: Status to indicate that as a Sink, CC has exceed the normal vRd voltage

range

0

REMEDY

1

1: Status to indicate that FUSB303 is employing internal methods to achieve

a stable attach

Table 24. TYPE

(Address: 13h, Reset Value: 0000_0000b, Type: Read Only)

Bit #

Name

Size (Bits)

Description

7

Reserved

1

Do Not Use

6

DEBUGSRC

1

1: FUSB303 is attached as a Source Debug Accessory

([Unoriented/Oriented]DebugAccessory.SRC)

5

DEBUGSNK

1

1: FUSB303 is attached as a Sink Debug Accessory

(DebugAccessory.SNK)

4

SINK

1

1: FUSB303 is attached as a Sink (Attached.SNK)

3

SOURCE

1

1: FUSB303 is attached as a Source (Attached.SRC)

2

ACTIVECABLE

1

1: FUSB303 is attached to an Active Cable (Ra detected)

1

AUDIOVBUS

1

1: Indicates an Audio Accessory with VBUS has been detected

(AudioAccessory with VBUS)

0

AUDIO

1

1: Indicates an Audio Accessory without VBUS has been detected

(AudioAccessory without VBUS)

Table 25. INTERRUPT

(Address: 14h, Reset Value: 0000_0000b, Type: Read/Write 1 to Clear)

Bit #

Name

Size (Bits)

Description

7

Reserved

1

Do Not Use

6

I_ORIENT

1

1: Interrupt flagged whenever ORIENT changes from 0,0 to 0,1 or 1,0 but

not 1,1. Interrupt not flagged when ORIENT is cleared.

5

I_FAULT

1

1: Interrupt flagged when CC1 or CC2 voltage exceeds normal Rd range

when FUSB303 has Rd termination on CC1 and/or CC2

4

I_VBUS_CHG

1

1: Interrupt flagged when VBUS has crossed vVBUSthr or vVBthLH thresh-

olds

3

I_AUTOSNK

1

1: Interrupt flagged when AUTOSNK mode has been activated or deactivat-

ed

2

I_BC_LVL

1

1: Interrupt flagged when a change in BC_LVL[1:0] advertised current level

has occurred

1

I_DETACH

1

1: Interrupt flagged when a device or accessory has been detached

0

I_ATTACH

1

1: Interrupt flagged when a device or accessory of type indicated in the Type

register has been attached