CY8C20x36/46/66, CY8C20396

Document Conventions

Acronyms Used

The following table lists the acronyms that are used in this document.

Table 1. Acronyms

Acronym

Description

AC

alternating current

 

 

API

application programming interface

 

 

CPU

central processing unit

 

 

DC

direct current

 

 

FSR

full scale range

 

 

GPIO

general purpose IO

 

 

GUI

graphical user interface

 

 

ICE

in-circuit emulator

 

 

ILO

internal low speed oscillator

 

 

IMO

internal main oscillator

 

 

IO

input/output

 

 

LSb

least-significant bit

 

 

LVD

low voltage detect

 

 

MSb

most-significant bit

 

 

POR

power on reset

 

 

PPOR

precision power on reset

 

 

PSoC®

Programmable System-on-Chip™

 

 

SLIMO

slow IMO

 

 

SRAM

static random access memory

 

 

Units of Measure

A units of measure table is located in the Electrical Specifications section. Table 9 on page 15 lists all the abbreviations used to measure the PSoC devices.

Numeric Naming

Hexadecimal numbers are represented with all letters in uppercase with an appended lowercase ‘h’ (for example, ‘14h’ or ‘3Ah’). Hexadecimal numbers may also be represented by a ‘0x’ prefix, the C coding convention. Binary numbers have an appended lowercase ‘b’ (for example, 01010100b’ or ‘01000011b’). Numbers not indicated by an ‘h’, ‘b’, or 0x are decimal.

Document Number: 001-12696 Rev. *D

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Cypress CY8C20x66, CY8C20x46 Document Conventions, Acronyms Used, Units of Measure, Numeric Naming, Acronyms Description