CY8C24094, CY8C24794 CY8C24894, CY8C24994

7. Document Conventions

7.1 Acronyms Used

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

7.2 Units of Measure

A units of measure table is located in the Electrical Specifications section. Table 10-1on page 20 lists all the abbreviations used to measure the PSoC devices.

7.3 Numeric Naming

Acronym

Description

AC

alternating current

 

 

ADC

analog-to-digital converter

 

 

API

application programming interface

 

 

CPU

central processing unit

 

 

CT

continuous time

 

 

DAC

digital-to-analog converter

 

 

DC

direct current

 

 

ECO

external crystal oscillator

 

 

EEPROM

electrically erasable programmable read-only

 

memory

FSR

full scale range

 

 

GPI/O

general purpose I/O

 

 

GUI

graphical user interface

 

 

HBM

human body model

 

 

ICE

in-circuit emulator

 

 

ILO

internal low speed oscillator

 

 

IMO

internal main oscillator

 

 

I/O

input/output

 

 

IPOR

imprecise power on reset

 

 

LSb

least-significant bit

 

 

LVD

low voltage detect

 

 

MSb

most-significant bit

 

 

PC

program counter

 

 

PLL

phase-locked loop

 

 

POR

power on reset

 

 

PPOR

precision power on reset

 

 

PSoC®

Programmable System-on-Chip™

 

 

PWM

pulse width modulator

 

 

SC

switched capacitor

 

 

SRAM

static random access memory

 

 

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’ (e.g., 01010100b’ or ‘01000011b’). Numbers not indicated by an ‘h’ or ‘b’ are decimal.

Document Number: 38-12018 Rev. *M

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Cypress CY8C24094, CY8C24994 Document Conventions, Acronyms Used, Units of Measure, Numeric Naming, Acronym Description

CY8C24094, CY8C24894, CY8C24994 specifications

The Cypress CY8C24994, CY8C24894, and CY8C24094 are part of the PSoC (Cypress Semiconductor's Programmable System-on-Chip) family, designed to integrate numerous functions onto a single chip for efficient performance and flexibility in various applications.

One of the key features of these devices is their combination of analog and digital components, allowing designers to create a customized system without the need for extensive external circuitry. Each of these chips incorporates an Arm Cortex-M3 processor core, which provides a powerful 32-bit architecture, enabling efficient execution of 32-bit operations while maintaining low power consumption.

The CY8C24994 is the most advanced in this series, supporting up to 128 GPIO (General Purpose Input/Output) pins, which enhances connectivity options. It features multiple programmable analog blocks, including op-amps, comparators, and DACs (Digital-to-Analog Converters), making it suitable for a variety of sensor interfacing and signal processing applications. Additionally, it supports USB communication, providing further versatility for applications requiring data exchange with a host device.

The CY8C24894 presents a slightly more cost-effective solution with slightly fewer GPIO pins and integrated features. It maintains many of the same core attributes as its counterpart, delivering excellent analog performance and several programmable digital blocks. It is suitable for applications requiring moderate computational capabilities along with flexibility in terms of peripherals and interfaces.

The CY8C24094, while positioned as a more basic option within this lineup, still provides essential functionalities for simpler tasks. With fewer pins and capabilities, it is ideal for applications where size and cost are more critical than extensive processing power.

All three devices utilize Cypress's proprietary CapSense technology, enabling touch-sensing capabilities without the need for mechanical buttons. This feature not only enhances user interaction but also contributes to the overall design's robustness and longevity.

In summary, the CY8C24994, CY8C24894, and CY8C24094 PSoC chips offer ample design flexibility with integrated analog and digital functionality, making them an excellent choice for developers aiming to create innovative embedded solutions across a wide range of applications, from consumer electronics to industrial control systems.