UPD301B/C

DS00003412A-page 4

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2020 Microchip Technology Inc.

1.0

PREFACE

1.1

Glossary of Terms

TABLE 1-1:

GLOSSARY OF TERMS

Term

Definition

BCI

Baseband CC Interface

Billboard

USB Billboard Device. A required USB device class for UFPs which support Alternate Modes

in order to provide product information to the USB Host.

BIST

Built-In Self Test

BMC

Bi-phase Mark Coding

Byte

8-bits

CC

CSR

Control and Status Register

DFP

Downstream Facing Port (USB Type-C™ Specification definition)

DP

DisplayPort (a VESA standard interface)

DRP

Dual-Role Power

ESD

Electro-Static Discharge

FIFO

First In First Out buffer

GPIO

General Purpose Input/Output

Host

External system (Includes processor, application software, etc.)

HBM

Human Body Model (Simulates ESD from humans)

HS

High-Speed

LDO

Linear Drop-Out regulator

MAC

Media Access Controller

Microchip

Microchip Technology Incorporated

N/A

Not Applicable

NC

No Connect (pin)

OCS

Over-Current Sense

PD / UPD

USB Power Delivery

PDO

Power Delivery Object (USB PD Specification definition)

PDOs enable the port to indicate its Port Partner supported combinations of Voltage/Current or

Power as well as the type of supply (Fixed, Variable, Battery) in Source Role or Sink Role.

PIO

General Purpose I/O

POR

Power-On Reset

Port Partner

Remote port which is connected to the UPD301B/C’s local port

PRBS

Pseudo Random Binary Sequence

Source Role

USB Type-C port is sinking power from its Port Partner

Source-only

Operation

Operation exclusively in USB Type-C / Power Delivery Source Role as defined in the USB

Type-C and Power-Delivery specifications. In this mode of operation, USB Type-C Dual-Role

Power Operation is not supported and there is no support for USB Power Role Swap.

SPI

Serial Peripheral Interface

SS

SuperSpeed

Stand-alone Mode Chip operation without the control or configuration by an external MCU. Policy is defined locally

by the UPD301B/C firmware. Configuration is achieved by use of configuration straps.

UFP

Upstream Facing Port (USB Type-C™ Specification definition)

USB

Universal Serial Bus