CY8C24633 Datasheet, PDF (7/35 Pages) Cypress Semiconductor – PSoC Programmable System-on-Chip

CY8C24633
Organize and Connect
You can build signal chains at the chip level by interconnecting
user modules to each other and the I/O pins, or connect system
level inputs, outputs, and communication interfaces to each
other with valuator functions.
In the system-level view, selecting a potentiometer driver to
control a variable speed fan driver and setting up the valuators
to control the fan speed based on input from the pot selects,
places, routes, and configures a programmable gain amplifier
(PGA) to buffer the input from the potentiometer, an analog to
digital converter (ADC) to convert the potentiometer’s output to
a digital signal, and a PWM to control the fan.
In the chip-level view, perform the selection, configuration, and
routing so that you have complete control over the use of all
on-chip resources.
Generate, Verify, and Debug
When you are ready to test the hardware configuration or move
on to developing code for the project, perform the “Generate
Application” step. This causes PSoC Designer to generate
source code that automatically configures the device to your
specification and provides the software for the system.
Both system-level and chip-level designs generate software
based on your design. The chip-level design provides application
programming interfaces (APIs) with high level functions to
control and respond to hardware events at run-time and interrupt
service routines that you can adapt as needed. The system-level
design also generates a C main() program that completely
controls the chosen application and contains placeholders for
custom code at strategic positions allowing you to further refine
the software without disrupting the generated code.
A complete code development environment allows you to
develop and customize your applications in C, assembly
language, or both.
The last step in the development process takes place inside the
PSoC Designer’s Debugger subsystem. The Debugger
downloads the HEX image to the In-Circuit Emulator (ICE) where
it runs at full speed. Debugger capabilities rival those of systems
costing many times more. In addition to traditional single-step,
run-to-breakpoint and watch-variable features, the Debugger
provides a large trace buffer and allows you define complex
breakpoint events that include monitoring address and data bus
values, memory locations and external signals.
Document Conventions
Acronyms Used
The following table lists the acronyms that are used in this
document.
Table 2. Acronyms Used
Acronym
Description
AC
alternating current
ADC
analog-to-digital converter
API
application programming interface
CPU
central processing unit
CT
continuous time
DAC
DC
EEPROM
FSR
GPIO
I/O
IPOR
digital-to-analog converter
direct current
electrically erasable programmable read-only
memory
full scale range
general purpose I/O
input/output
imprecise power on reset
LSb
LVD
MSb
PC
POR
PPOR
PSoC
PWM
RAM
least-significant bit
low voltage detect
most-significant bit
program counter
power on reset
precision power on reset
Programmable System-on-Chip
pulse width modulator
random access memory
ROM
SC
read only memory
switched capacitor
Units of Measure
A units of measure table is located in the Electrical Specifications
section. Table 7 on page 13 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’ or ‘b’ are decimal.
Document Number: 001-20160 Rev. *B
Page 7 of 35
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