Datasheet

2010 - 2015 Microchip Technology Inc. DS00001692C-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 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
x Don’t care
<Parameter> <> 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.