UPD360 datasheet(101/221 Pages) MICROCHIP

101 / 221 page

 2016-2017 Microchip Technology Inc.

DS00002084C-page 101

UPD360

9:8

OCS_MIN

Defines the minimum guaranteed assertion time for OCS_N when operating in

standalone DFP mode (UPD360-A/UPD360-B only).

00b: 5 ms

01b: 10 ms

10b: 20 ms

11b: 30 ms

R/W

00b

VBUS_DB_ACTIVE

When this bit reads back 0b, the debouncer is disabled. The VBUS debouncer

is enabled when it reads back 1b.

Note:

Firmware polls this bit to determine when debouncer is disabled

and a new configuration may be programmed.

VCONN OCS Enable

Enables the monitoring of over current condition on the internal VCONN FETs.

0b: VCONN OCS monitor is disabled

1b: VCONN OCS monitor is enabled

R/W

Note 9-11

5:4

VCONN Discharge Control

This field determines the VCONN discharge behavior. It only has meaning in

DFP standalone mode and should not be used by firmware when operating

in companion mode.

The discharge occurs on the CC pin that was supplying VCONN.

00b: Discharge VCONN until either the threshold defined by the VCONN

Discharge Threshold Register (VCONN_DIS_THR) is reached or the time

specified by the VCONN Discharge Time Register (VCONN_DIS_TIME) has

expired.

01b: VCONN discharge is not supported.

10b: Discharge VCONN until threshold defined by VCONN Discharge

Threshold Register (VCONN_DIS_THR) is reached.

11b: Discharge VCONN for the time specified by VCONN Discharge Time

Note:

For options 0xb a VCONN discharge error is detected if the timer

expires and VCONN has not discharged below VCONN Discharge

Time Register (VCONN_DIS_TIME).

R/W

00b

VCONN2 Control

Enables the VCONN2 FET.

0b: VCONN2 FET is disabled

1b: VCONN2 FET is enabled

This bit has no meaning when in standalone mode (see Standalone Opera-

tion).

This bit automatically clears when a debounce VCONN OCS event occurs per

the assertion of VCONN Discharge Error (VCONN_DISCH_ERR).

R/W

Bits

Description

Type

Default

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