USB251XB datasheet(5/57 Pages) MICROCHIP

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DS00001692D-page 5

USB251xB/xBi

Conventions

Within this manual, the following abbreviations and symbols are used to improve readability.

TABLE 1-1:

SUMMARY OF COMPATIBILITIES BETWEEN USB251XB/XBI AND

USB251X/XI/XA/XAI PRODUCTS

Part

Number

Drop-in Replacement

USB2512

USB2512B

USB2512i

USB2512Bi

USB2512A

USB2512B

USB2512Ai

USB2512Bi

USB2513

USB2513B

USB2513i

USB2513Bi

USB2514

USB2514B

USB2514i

USB2514Bi

Example

Description

BIT

Name of a single bit within a field

FIELD.BIT

Name of a single bit (BIT) in FIELD

x…y

Range from x to y, inclusive

BITS[m:n]

Groups of bits from m to n, inclusive

Pin Name

zzzzb

Binary number (value zzzz)

0xzzz

Hexadecimal number (value zzz)

zzh

Hexadecimal number (value zz)

rsvd

Reserved memory location. Must write 0, read value indeterminate

code

Instruction code, or API function or parameter

Section Name

Section or Document name

Don’t care

<> indicate a Parameter is optional or is only used under some conditions

{,Parameter}

Braces indicate Parameter(s) that repeat one or more times

[Parameter]

Brackets indicate a nested Parameter. This Parameter is not real and actually

decodes into one or more real parameters.

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