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Revision 1.3 (03-13-13)
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SMSC USB4640/USB4640i
DATASHEET
High-Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
Conventions
Within this manual, the following abbreviations and symbols are used to improve readability.
Example
BIT
FIELD.BIT
Description
Name of a single bit within a field
Name of a single bit (BIT) in FIELD
Range from x to y, inclusive
Groups of bits from m to n, inclusive
Pin Name
Binary number (value zzzz)
Hexadecimal number (value zzz)
Hexadecimal number (value zz)
Reserved memory location. Must write 0, read value indeterminate
Not applicable
Instruction code, or API function or parameter
Used for multiple words that are considered a single unit, such as:
Resource Allocate
message, or
Connection Label,
or
Decrement Stack Pointer
instruction.
Section or Document name.
Over-bar indicates active low pin or register bit
Don’t care
<> indicate a Parameter is optional or is only used under some conditions
Braces indicate Parameter(s) that repeat one or more times.
Brackets indicate a nested Parameter. This Parameter is not real and actually decodes
into one or more real parameters.
x…y
BITS[m:n]
PIN
zzzzb
0xzzz
zzh
rsvd
N/A
code
Multi Word Name
Section Name
VAL
x
<Parameter>
{,Parameter}
[Parameter]
SMSC USB4640/USB4640i
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Revision 1.3 (03-13-13)
DATASHEET
High-Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
