FUSB301A

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10

Table 9. MASK (continued)

Address: 10h

Reset Value: 0×XXXX_0000

Type: Read/Write

Bit #

Description

Size (Bits)

Name

2

M_BC_LVL

1

1: Mask a change in I_BC_LVL interrupt bit

1

M_DETACH

1

1: Mask the I_DETACH interrupt bit

0

M_ATTACH

1

1: Mask a change in the I_ATTACH interrupt bit

Table 10. STATUS

Address: 11h

Reset Value: 0×XX00_0000

Type: Read

Bit #

Name

Size (Bits)

Description

7:6

Reserved

2

Do Not Use

5:4

ORIENT[1:0]

2

Status to indicate which CCx pins has the CC cable connection

11: A fault has occurred during the detection

10: Cable CC is connected through the CC2 pin

01: Cable CC is connected through the CC1 pin

00: No or unresolved connection detected.

3

VBUSOK

1

1: Status to indicate VBUS is in the valid range

2:1

BC_LVL[1:0]

2

Thresholds that allow detection of current advertisement on CC line

00: Ra or unattached Sink

01: Rd threshold for Sink default current advertisement

10: RD threshold for Sink 1.5 A current advertisement

11: RD threshold for Sink 3 A current advertisement

0

ATTACH

1

1: Attached to a device or accessory of a type shown in the Type register

Table 11. TYPE

Address: 12h

Reset Value: 0×XXX0_0X00

Type: Read

Bit #

Name

Size (Bits)

Description

7:5

Reserved

3

Do Not Use

4

Sink

1

1: Indicates a Sink has been detected

3

Source

1

1: Indicates a Source has been detected

2

Reserved

1

Do Not Use

1

DEBUGACC

1

1: Indicates a Debug Accessory has been detected

0

AUDIOACC

1

1: Indicates a Audio Accessory has been detected

Table 12. INTERRUPT0

Address: 13h

Reset Value: 0×XXXX_X000

Type: Write/Clear

Bit #

Name

Size (Bits)

Description

7:4

Reserved

4

Do Not Use

3

I_ACC_CH

1

1: Interrupt flagged when a change from Accessory Present to Audio Ac-

cessory or Debug Accessory occurs.

2

I_BC_LVL

1

1: Interrupt flagged when a change in BC_LVL advertised current level has

occurred