56F827 データシートの表示（PDF） - Freescale Semiconductor

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56F827

16-bit Digital Signal Controllers

Freescale Semiconductor 

Notation Conventions

This manual uses the following notational conventions:

Term or Value

Symbol

Active High Signals

(Logic One)

No special symbol

attached to the 

signal name

Active Low Signals

(Logic Zero)

Noted with an

overbar in text and

in most figures

Hexadecimal 

Values

Decimal Values

Binary Values

Numbers

Blue Text

Begin with a “$” 

symbol

No special symbol

attached to the

number

Begin with the letter

“b” attached to the

number

Considered positive

unless specifically

noted as a negative

value

Linkable on-line

Bold

Reference sources,

paths, emphasis

Examples

A0

CLKO

WE

OE

$0FF0

$80

10

34

b1010

b0011

5

-10

Exceptions

In schematic drawings,

Active Low Signals may be

noted by a backslash:

/WE

Voltage is often shown as

positive: +3.3V

...refer to

Figure 1-1

...see:

http://www.freescale.com/...

DSP56F827EVM User Manual, Rev. 2

viii

Freescale Semiconductor

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