FUSB380

www.onsemi.com

6

Functional Behaviour

VCONN Terminations

whenever the VCONNx pins are unpowered. Only the

Field Programmable Function

The FUSB380 can be programmed by the customer via

Vendor Defined Messages. The user can re−program the

device a maximum of 5 times.

The device’s Discover Identity response can be fully

customized for both Active and Passive cables, with or

without Modal support.

The FUSB380 also offers the ability to program a Serial

Number that can be read via a VDM Specific command.

Table 5. SUMMARY OF FIELD PROGRAMMABLE BITS

Parameter

Description

# of Bits

ID HEADER

MEM_USB_HOST

1

MEM_USB_DEV

1

MEM_PROD_TYPE

Product Type

3

MEM_MODAL

Modal Operation

1

MEM_ID_RSVD_B25_23

Reserved

3

MEM_ID_RSVD_B22_16

Reserved

7

MEM_VID

USB Vendor ID

16

CERTIFICATION STATUS VDO

MEM_XID

XID

32

PRODUCT VDO

MEM_USB ID

USB PID

16

MEM_bcdDevice

bcdDevice

16

CABLE VDO

MEM_HW_VER

Hardware Version

4

MEM_FW_VER

Firmware Version

4

MEM_VDO_VER

3

MEM_CABLE_RSVD_B20

Reserved

1

MEM_TYPEC_TO_X

USB Type−C to X

2

MEM_CABLE_RSVD_B17

Reserved

1

MEM_LATENCY

Cable Latency

4

MEM_TERM_TYPE

Cable Termination Type

2

MEM_CABLE_VDO_BIT10_9

Max VBUS V

2

MEM_CABLE_VDO_BIT8_7

SS Direction

2

MEM_VBUS_AMPS

VBUS Current Handling

2

MEM_VBUS_THROUGH

VBUS Through Cable

1

MEM_SOP2

SOP2 Present

1

MEM_SS_SIG

USB SS Signaling

3

CABLE VDO 2

MEM_CABLE2_MAX_TEMP

Maximum Operating Temperature

8

MEM_CABLE2_SHUTDOWN_TEMP

Shutdown Temperature

8

MEM_CABLE2_RSVD_B15

Reserved

10

MEM_CABLE2_RSVD_B14_12

Reserved

10

MEM_CABLE2_RSVD_B11

Reserved

10