AN77759 Getting Started with PSoC® 5LP.pdf

AN77759
Getting Started with PSoC® 5LP
Author: Nidhin MS
Associated Part Family: All PSoC 5LP parts
Related Documents: For a complete list, click here.
To get the latest version of this application note, or the associated project file, please
visit http://www.cypress.com/go/AN77759.
®
®
®
AN77759 introduces you to PSoC 5LP, an ARM Cortex -M3-based programmable system-on-chip. It describes the
PSoC 5LP architecture and development environment, and shows you how to create a simple design using
PSoC Creator™, the development tool for PSoC 5LP. This application note also guides you to more resources for indepth learning about PSoC 5LP as well as PSoC in general.
Contents
1
2
3
Introduction ...............................................................1
PSoC Resources ......................................................2
PSoC Creator ...........................................................2
3.1
PSoC Creator Help ..........................................3
3.2
Technical Support ............................................3
4
Code Examples ........................................................4
5
PSoC 5LP Feature Set .............................................5
5.1
PSoC is More Than an MCU ...........................7
5.2
The Concept of PSoC Creator Components ....7
1
6
My First PSoC 5LP Design ....................................... 8
6.1
Before You Begin ............................................ 8
6.2
About The Design ............................................ 9
6.3
Part 1: Create the Design ................................ 9
6.4
Part 2: Program the Device ........................... 16
7
Summary ................................................................ 18
8
Related Documents ................................................ 18
Worldwide Sales and Design Support ............................. 23
®
PSoC Solutions ............................................................. 23
Technical Support ........................................................... 23
Introduction
PSoC 5LP is a true programmable embedded system-on-chip, integrating custom analog and digital peripheral
functions, memory, and an ARM Cortex-M3 CPU on a single chip.
PSoC 5LP provides a cost-effective alternative to the combination of MCU and external ICs. The PSoC 5LP
architecture boosts performance through:




32-bit ARM Cortex-M3 core plus DMA controller and digital filter processor, at up to 80 MHz
Ultra-low power with industry's widest voltage range
Programmable digital and analog peripherals enable custom functions
Flexible routing of any analog or digital peripheral function to any pin
A single PSoC device can integrate as many as 100 digital and analog peripheral functions, reducing design time,
board space, power consumption, and system cost while improving system quality.
Using this Document
The next few pages describe the PSoC 5LP and the advantages of designing with PSoC and PSoC Creator. Or, you
can jump right in and quickly build a simple design – go to My First PSoC 5LP Design. The design created in this
section is also available in code example CE203303.
www.cypress.com
Document No. 001-77759 Rev. *E
1
Getting Started with PSoC® 5LP
2
PSoC Resources
Cypress provides a wealth of data at www.cypress.com to help you to select the right PSoC device for your design,
and quickly and effectively integrate the device into your design. For a comprehensive list of resources, see
KBA86521, How to Design with PSoC 3, PSoC 4, and PSoC 5LP. The following is an abbreviated list for PSoC 5LP:


Overview: PSoC Portfolio, PSoC Roadmap

Datasheets: Describe and provide electrical
specifications for the PSoC 3, PSoC 4, and
PSoC 5LP device families.

CapSense Design Guides: Learn how to
design capacitive touch-sensing applications
with the PSoC 3, PSoC 4, and PSoC 5LP
families of devices.

3
Product Selectors: PSoC 1, PSoC 3,
PSoC 4, or PSoC 5LP. In addition, PSoC
Creator includes a device selection tool.
®
Application Notes and Code Examples:
Cover a broad range of topics, from basic to
advanced level. Many of the application
notes include code examples.

Technical Reference Manuals (TRM): Provide
detailed descriptions of the architecture and registers
in each of the PSoC 3, PSoC 4, and PSoC 5LP
device families.

PSoC Training Videos: These videos provide stepby-step instructions on how to get started building
complex designs with PSoC.

Development Kits:

CY8CKIT-059 is a low-cost prototyping platform
for sampling PSoC 5LP devices.

CY8CKIT-050 is designed for analog performance.
It enables you to develop and evaluate highprecision analog, low-power, and low-voltage
applications.
PSoC Creator
PSoC Creator is a free Windows-based Integrated Design Environment (IDE). It enables concurrent hardware and
firmware design of systems based on PSoC 3, PSoC 4, and PSoC 5LP. See Figure 1 – with PSoC Creator, you can:
3. Configure Components using configuration tools
1. Drag and drop Components for hardware
system design in the main design workspace
4. Explore the library of 100+ Components
2. Codesign your application firmware with the
5. Review Component datasheets
PSoC hardware
Figure 1. PSoC Creator Features
www.cypress.com
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Getting Started with PSoC® 5LP
3.1
PSoC Creator Help
Visit the PSoC Creator home page to download the latest version of PSoC Creator. Then, launch PSoC Creator and
navigate to the following items:
3.2

Quick Start Guide: Choose the menu item Help > Documentation > Quick Start Guide. This guide gives you
the basics for developing PSoC Creator projects.

Simple Component example projects: Choose the menu item File > Open > Example projects. These
example projects demonstrate how to configure and use PSoC Creator Components.

Starter designs: Choose the menu item File > New > Project > PSoC 5LP Starter Designs. These starter
designs demonstrate the unique features of PSoC 5LP.

System Reference Guide: Choose the menu item Help > System Reference > System Reference Guide. This
guide lists and describes the system functions provided by PSoC Creator.

Component datasheets: Right-click a Component and select “Open Datasheet.” Visit the PSoC 5LP
Component Datasheets page for a list of all PSoC 5LP Component datasheets.

Document Manager: PSoC Creator provides a document manager to help you to easily find and review
document resources. To open the document manager, choose the menu item Help > Document Manager.
Technical Support
If you have any questions, our technical support team is happy to assist you. You can create a support request on the
Cypress Technical Support page.
If you are in the United States, you can talk to our technical support team by calling our toll-free number: +1-800-5414736. Select option 8 at the prompt.
You can also use the following support resources if you need quick assistance.


Self-help
Local Sales Office Locations
www.cypress.com
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Getting Started with PSoC® 5LP
4
Code Examples
Figure 2. Code Examples in PSoC Creator
PSoC Creator includes a large number of code example projects.
These projects are available from the PSoC Creator Start Page,
as Figure 2 shows.
Example projects can speed up your design process by starting
you off with a complete design, instead of a blank page. The
example projects also show how PSoC Creator Components are
used in various applications. Code examples and datasheets are
included, as Figure 3 shows.
In the Find Example Project dialog shown in Figure 3, you have
several options:

Filter for examples based on architecture or device family,
i.e., PSoC 3, PSoC 4 or PSoC 5LP; category; or keyword

Select from the menu of examples offered based on the Filter
Options

Review the datasheet
Documentation tab)

Review the code example for the selection. You can copy
and paste code from this window to your project, which can
help speed up code development, or

Create a new project (and a new workspace if needed)
based on the selection. This can speed up your design
process by starting you off with a complete, basic design.
You can then adapt that design to your application.
for
the
selection
(on
the
Figure 3. Code Example Projects, with Sample Code
www.cypress.com
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Getting Started with PSoC® 5LP
5
PSoC 5LP Feature Set
PSoC 5LP has an extensive set of features, which include a CPU and memory subsystem, a digital subsystem, an
analog subsystem, and system resources, as Figure 4 shows (for the CY8C58xxLP device family).
For more information, see the PSoC 5LP family device datasheets, technical reference manuals (TRMs), and
application notes listed previously.
Figure 4. PSoC 5LP Architecture (CY8C58xxLP)
Analog Interconnect
Clock Tree
IMO
Digital System
Quadrature Decoder
UDB
UDB
UDB
UDB
I 2C Slave
Sequencer
Universal Digital Block Array (24 x UDB)
8- Bit
Timer
16- Bit
PWM
UDB
8- Bit SPI
UDB
UDB
UDB
UDB
UDB
UDB
UDB
UDB
UDB
22 
UDB
8- Bit
Timer
Logic
UDB
UDB
UDB
UDB
UDB
UDB
FS USB
2.0
4x
Timer
Counter
PWM
12- Bit SPI
UDB
I2C
Master/
Slave
CAN 2.0
16- Bit PRS
Logic
UART
UDB
UDB
USB
PHY
GPIOs
32.768 KHz
( Optional)
GPIOs
Xtal
Osc
SIO
System Wide
Resources
Usage Example for UDB
4- 25 MHz
( Optional)
GPIOs
Digital Interconnect
12- Bit PWM
RTC
Timer
WDT
and
Wake
EEPROM
SRAM
EMIF
FLASH
Program &
Debug
CPU System
Cortex M3CPU
Interrupt
Controller
Program
PHUB
DMA
Boundary
Scan
GPIOs
System Bus
Memory System
GPIOs
Debug &
Trace
Cache
Controller
ILO
LCD Direct
Drive
Analog System
Digital
Filter
Block
ADCs
POR and
LVD
1.71 to
5.5 V
Sleep
Power
1.8 V LDO
SMP
4 x SC / CT Blocks
(TIA, PGA, Mixer etc)
Temperature
Sensor
GPIOs
Power Management
System
2x
SAR
ADC
+
4x
Opamp
-
+
1x
Del Sig
ADC
4x DAC
CapSense
4x
CMP
-
3 per
Opamp
GPIOs
SIOs
Clocking System
0. 5 to 5.5 V
( Optional)
Following is a list of major features of the PSoC 5LP. For details, see Related Documents, or see a PSoC 5LP device
datasheet.


Performance




DC to 80-MHz operation
32-bit ARM Cortex-M3 CPU, 32 interrupts
24-channel direct memory access (DMA)
controller
24-bit 64-tap digital filter processor (DFB)
www.cypress.com
Memories


Up to 256 KB program flash


Up to 64 KB of SRAM
Up to 32 KB additional flash for error correcting code
(ECC)
2 KB EEPROM
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Getting Started with PSoC® 5LP


Digital peripherals

Four 16-bit timer, counter, and PWM
(TCPWM)




I C, 1-Mbps bus speed

Full CAN 2.0b, 16 Rx, 8 Tx buffers




20 to 24 universal digital blocks (UDB),
programmable to create any number of
functions:
8-, 16-, 24-, and 32-bit timers, counters,
and PWMs
2
I C, UART, SPI, I2S, and LIN 2.0
interfaces
Cyclic redundancy check (CRC)
Pseudo random sequence (PRS)
generators
Quadrature decoders
Gate-level logic functions
Analog Subsystem






Configurable 8- to 20-bit delta-sigma ADC
Up to two 12-bit SAR ADCs
Four 8-bit DACs
Four comparators
Four operational amplifiers (opamps)




Four programmable analog blocks,
create:
Programmable gain amplifier (PGA)
Transimpedance amplifier (TIA)
Mixer
Sample and hold (S/H) circuit
to
46 to 72 I/O pins; up to 62 general-purpose I/Os
(GPIOs)
Up to eight performance I/O (SIO) pins
25 mA current sink
Programmable input threshold and output high
voltages
 Can act as a general-purpose comparator
 Hot swap capability and overvoltage tolerance


USB 2.0-certified Full-Speed (FS) 12 Mbps




2


Versatile I/O system



Two USBIO pins that can be used as GPIOs


CapSense support from any GPIO

Route any digital or analog peripheral to any GPIO
LCD direct drive from any GPIO, up to 46 × 16
segments
1.2-V to 5.5-V interface voltages, up to four power
domains
Programmable clocking

3- to 74-MHz internal oscillator, 1% accuracy at
3 MHz





4- to 25-MHz external crystal oscillator
Internal PLL clock generation up to 80 MHz
Low-power internal oscillator at 1, 33, and 100 kHz
32.768-kHz external watch crystal oscillator
12 clock dividers routable to any peripheral or I/O
Refer to the datasheet for a full review of PSoC 5LP
features.
®
CapSense support, up to 62 sensors
1.024 V ±0.1% internal voltage reference
www.cypress.com
Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
5.1
PSoC is More Than an MCU
Figure 5 shows that a typical MCU contains a CPU and a set of peripheral functions such as ADC, DAC, UART, SPI,
and general I/O, all linked to the CPU’s register interface. Within the MCU, the CPU is the “heart” of the device – the
CPU manages everything from setup to data movement to timing. Without the CPU the MCU cannot function.
Figure 6 shows that PSoC is quite different. The CPU, analog, digital, and I/O are equally important resources in a
programmable system. It is the system’s interconnect and programmability that is the heart of PSoC – not the CPU.
The analog and digital peripherals are interconnected with a highly configurable routing matrix, which allows you to
create custom designs to precisely meet your application requirements. You can program PSoC to emulate an MCU,
but you cannot program an MCU to emulate PSoC.
Figure 5. Block Diagram of a Typical MCU
Gen I/O
Port B
Gen I/O
Digital System
(w/ Programmable Logic)
Gen I/O
UART
ADC
Gen I/O
Port A
Figure 6. PSoC 5LP Block Diagram
PWM
Gen I/O
Port D
Analog System
Gen I/O
Port C
System Interconnect
Gen I/O
Timer
ARM8051
Cortex-M3
Gen I/O
I2C
Gen I/O
SPI
ARM
CPU
DAC
Gen I/O
A typical MCU requires CPU firmware to process state machines, use a timer for timing, and drive an output pin.
Thus the functional path is almost always through the CPU. However with PSoC asynchronous parallel processing is
possible. You can configure a PSoC to have elements that operate independently from the CPU.
For example, Figure 6 shows that PSoC 5LP has no UART. However, you can make as many UARTs as you need
within the configurable digital logic, using the predesigned and pretested UART Component in PSoC Creator. You
can configure each UART to have as few or as many features as you need.
5.2
The Concept of PSoC Creator Components
The key to successful PSoC designs is the PSoC Creator IDE. PSoC Creator encapsulates PSoC peripherals and
other resources as graphical elements called Components. Components are dragged and dropped onto a schematic,
and wired together, making the design process fast and easy. Design changes can be quickly made with just a few
mouse clicks.
For example, in a traditional MCU, to blink an LED using a PWM peripheral you must:
1.
Locate the registers corresponding to the PWM.
2.
Calculate the values to be written to the PWM registers, based on the required PWM period and duty cycle.
3.
Write many lines of code to configure the PWM registers, set the pin drive mode and to connect the PWM output
to the pin.
To implement the same functionality in PSoC is a trivial exercise, as you will find in the next section.
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Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
Pin Component: Connect Any Function to Any Pin
PSoC 5LP includes an extensive routing fabric that allows you to route almost any function – digital or analog – to
any pin. PSoC Creator makes this easy to do by providing a Pin Component, which with just a few mouse clicks you
can configure, connect to a PSoC resource, and associate with a physical pin. You can also easily change Pin
Component connections, which lets you rapidly handle board-level design changes.
Components Based on Programmable Digital Resources
PSoC 5LP has programmable digital blocks called Universal Digital Blocks (UDBs). PSoC Creator provides a number
2
of Components made from the UDBs. These include UART, SPI, I C, I2S, Timer, PWM, Counter, CRC, quadrature
decoder, digital gates (AND, OR, NOT, XOR, etc.), and many more. You can even create your own custom state
machines and digital logic.
Components Based on Programmable Analog Resources
PSoC 5LP also has programmable analog blocks called switched capacitor continuous time (SC/CT) blocks. PSoC
Creator provides analog Components, such as programmable gain amplifier (PGA) and transimpedance amplifier
(TIA), that are made from the SC/CT blocks.
6
My First PSoC 5LP Design
This section does the following:



6.1
Demonstrates how PSoC can be programmed to do more than a traditional MCU
Shows how to build a simple PSoC design and install it in a development kit
Provides detailed steps that make it easy to learn PSoC design techniques using the PSoC Creator IDE
Before You Begin
Have You Installed PSoC Creator?
Download and install PSoC Creator from the PSoC Creator home page. Note that the installation may take a long
time – see the PSoC Creator Release Notes for more information.
Do You Have a Development Kit?
Table 1 lists all Cypress development kits for the PSoC 5LP. Kits are also available from other manufacturers.
Table 1. Cypress PSoC 5LP Kits
PSoC 5LP Kit
PSoC 5LP Device Part Number
Programming
CY8CKIT-059
CY8C5888LTI-LP097
Integrated programmer
CY8CKIT-050
CY8C5868AXI-LP035
Integrated programmer
CY8CKIT-001
CY8C5868AXI-LP035
MiniProg3 program and debug kit
Want To See the Project In Action?
If you don’t want to go through the development process shown in the next section, you can get the completed code
example project at CE203303. You can then jump to the Build and Program steps. The code example is designed for
the CY8CKIT-059; you can easily modify it for other kits.
www.cypress.com
Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
6.2
About The Design
This design is described in detail in code example CE203303, PSoC 3 and PSoC 5LP Breathing LED. It implements
a “breathing LED” effect exclusively in hardware, with no CPU usage beyond initialization. Figure 7 shows the PSoC
Creator schematic.
Figure 7. Breathing LED Schematic (Pin and LED are selected for CY8CKIT-059)
6.3
Part 1: Create the Design
This section takes you through the design process, step by step. It guides you through both hardware and firmware
design entry.
Note: These instructions assume that you are using PSoC Creator 3.3. The overall development process is the same
for other versions of PSoC Creator, however some of the dialog boxes may be different.
1.
Create a new PSoC Creator project.
A project contains all of the source code and other files required to create a single output module that can be
downloaded to a target PSoC 5LP device.
A.
Start PSoC Creator.
B.
Select menu item
File > New > Project…
as Figure 8 shows.
Figure 8. Create a New PSoC Creator Project
A Create Project window is displayed.
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Getting Started with PSoC® 5LP
2.
Select the project type for the CY8CKIT-059 kit. See Figure 9.
PSoC Creator can speed up the development process by automatically setting various project options for
specified development kits or target devices.
A.
Click Target hardware.
B.
In the pulldown menu, select Kit: CY8CKIT-059 (PSoC 5LP).
C.
Click Next.
Figure 9. Create a New Project for the CY8CKIT-059
A
B
C
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Getting Started with PSoC® 5LP
3.
Select an empty schematic as a project template. See Figure 10.
PSoC Creator can speed up the development process by basing a new design on an existing code example. For
this exercise, we will start from an empty schematic.
A.
Click Empty Schematic.
B.
Click Next.
C.
In the next dialog, enter text for a Workspace name. A workspace is a container for one or more projects. A
project is usually contained in a workspace.
D.
Enter text for a Project name. The project and workspace names can be the same or different.
E.
Specify the Location of your workspace and project.
F.
Click Finish.
Figure 10. Create a New Empty Project
A
B
C
D
E
F
A project is created. Several new panes are displayed: Workspace Explorer, Schematic (TopDesign.cysch),
and Component Catalog.
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Getting Started with PSoC® 5LP
4.
Build the hardware portion of the design.
In this step, you drag Components from the
Component Catalog onto the schematic. You
then configure each Component, and wire
them together.
a.
In the Component Catalog window,
Cypress tab, find the PWM Component,
as Figure 11 shows.
b.
Drag two instances of the PWM
Component onto the schematic (see
Figure 7).
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Document No. 001-77759 Rev.*E
Figure 11. Select PWM Component
12
Getting Started with PSoC® 5LP
5.
Configure the PWM Components, as Figure 12 shows.
This creates square wave outputs from both PWMs; the square waves have slightly different frequencies. The
difference in frequencies results in a beat frequency that is modulated on the LED.
On the schematic, double-click each PWM Component to configure it.
A.
For PWM_1, change the PWM Mode to One Output.
B.
No other changes need be made to PWM_1. Click OK to close the dialog.
C.
For PWM_2, change the PWM Mode to One Output.
D.
Set the Period value of PWM_2 to be slightly different from the default.
E.
Set the CMP Value 1 of PWM_2 to approximately half the period.
F.
Changes for PWM_2 are complete. Click OK to close the dialog.
Figure 12. Configure the PWM Components
C
A
D
E
B
F
6.
Drag from the Component Catalog to the schematic, and configure, the additional Components listed in Table 2.
The Off-Chip Components are not required, but help to show the overall purpose of the design.
Note that in each configuration dialog the Name field is automatically populated; you can change the name to
any valid text. Each Component name must be unique in the schematic.
Table 2. Design Components
Component Catalog
Component
www.cypress.com
Tab
Group
Change from Default Configuration
Logic Low
Cypress
Digital > Logic
none
Xor
Cypress
Digital > Logic
none
Clock
Cypress
System
Set Frequency to 5 kHz
Digital Output Pin
Cypress
Ports and Pins
Check the External terminal box
Resistor
Off-Chip
Passive
none
LED
Off-Chip
Diodes
none
Ground
Off-Chip
Power
none
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Getting Started with PSoC® 5LP
7.
Select the wire tool (Figure 13) to connect
the logic (or press ‘w’ as a shortcut).
Figure 13. Select the Wire Tool
Wire the Components as Figure 7 shows.
8.
At this point, the hardware design is complete, however the Pin Component must still be associated with a
physical pin.
Choose the physical pin for the LED on the development kit that you are using. (For the CY8CKIT-059, the pin
used is port 2, pin 1, pr P2[1].)
A.
In the Workspace Explorer window, double-click the .cydwr file in your project, as Figure 14 shows. This
opens the design-wide resources (DWR) window.
B.
Select the Pins tab. The Pin Components defined in the project are displayed, as well as a pin diagram of
the target device.
C.
Associate the schematic Pin Component with the desired physical pin.
Figure 14. Associate the Pins
A
C
B
9.
You must now write a couple of lines of firmware. Before doing so, it is best to have PSoC Creator generate all of
the code that is associated with the Components.
Select the PSoC Creator menu item Build >
Generate Application, as Figure 15 shows.
If there are no errors, PSoC Creator
generates several code files, under the folder
Generated_Source.
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Document No. 001-77759 Rev.*E
Figure 15. Generate Application
14
Getting Started with PSoC® 5LP
10. Add code to the auto-generated file main.c. It has a framework for adding code; the code that you must add, to
start the two PWM Components, is highlighted, as Code 1 shows. In the Workspace Explorer window, doubleclick the main.c file in your project to open it.
Note: This code assumes that the PWM Components have the default names. If you renamed your PWM
Components to something other than the default values, use those names in the _Start() function calls.
Code 1. Main Code for Breathing LED
#include <project.h>
int main()
{
//CyGlobalIntEnable; /* Enable global interrupts. */
/* Place your initialization/startup code here (e.g. MyInst_Start()) */
PWM_1_Start();
PWM_2_Start();
for(;;)
{
/* Place your application code here. */
}
}
11. If you skipped to this step without going through the design process, do the following:
A.
B.
C.
D.
E.
Download the code example file CE203303.zip from CE203303, and extract it to a convenient location in
your computer.
Download and install PSoC Creator as described in step 1 on page 9.
Open the file CE203303.cywrk in PSoC Creator.
Confirm that the project pin assignments match your development kit (DVK), as described in step 8 on
page 14.
Select the PSoC Creator menu item
Figure 16. Build Project
Build > Build <project name>, as
Figure 16 shows. If there are no errors,
the project is built and ready to program
to the target DVK.
www.cypress.com
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Getting Started with PSoC® 5LP
6.4
Part 2: Program the Device
The programming process is the same for all the development kit boards. To set up your DVK, follow the instructions
in the Kit Guide document.
1.
Confirm the connection between PSoC Creator and your DVK.
Select the PSoC Creator menu item
Debug > Select Debug Target., as
Figure 17 shows.
A.
A “Select Debug Target” dialog is
displayed, as Figure 18 shows. Click on
your target DVK (PSoC Creator
supports multiple DVK connections).
B.
Click Port Acquire.
Figure 17. Select Debug Target
Figure 18. Select and Acquire the Target for Programming
A
B
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Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
2.
Connect to the PSoC on your target DVK. See Figure 19.
A.
Click the PSoC 5LP.
B.
Click Connect. The “Target unacquired” message changes to “Target acquired”, and the button label
changes to “Disconnect”.
C.
Click OK to close the dialog.
PSoC Creator is now connected to the target DVK and PSoC, and you can now program the PSoC.
Figure 19. Connect to the Target PSoC 5LP
A
B
C
3.
To program the PSoC 5LP, select the PSoC
Creator menu item Debug > Program, as
Figure 20 shows.
4.
Programming begins; programming status is
displayed in the PSoC Creator status bar
(the lower-left corner of the window, as
Figure 21 shows).
Figure 20. Program Device
Note: You may see a warning message
“This programmer is currently out of date”.
Refer to the KitProg User Guide in your kit
documentation for information on how to
upgrade your programmer firmware.
Figure 21. Programming Status
On the CY8CKIT-059 DVK, the blue LED gradually transitions from full ON to full OFF over a few seconds.
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Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
7
Summary
This application note explored the PSoC 5LP architecture and development tools. The most important concept to be
gained from this application note is that PSoC is more than an MCU. PSoC 5LP is a truly programmable embedded
system-on-chip, integrating configurable analog and digital peripheral functions, memory, and a 32-bit Cortex-M3
CPU on a single chip.
Because of the integrated features and low-leakage power modes, PSoC 5LP is an ideal choice for low-power and
cost- effective embedded systems.
8
Related Documents
Table 3 lists system-level and general application notes that are recommended for the next steps in learning about
PSoC and PSoC Creator:
Table 3. General and System-Level Application Notes
Document
Document Name
AN61290,
AN88619
PSoC® 3 and PSoC 5LP Hardware Design Considerations,
PSoC® 4 Hardware Design Considerations
AN81623
PSoC® 3, PSoC 4, and PSoC 5LP Digital Design Best Practices
AN77900,
AN86233,
AN90114
PSoC® 3 and PSoC 5LP Low-power Modes and Power Reduction Techniques,
PSoC® 4 Low-power Modes and Power Reduction Techniques,
PSoC® 4000 Low-power Modes and Power Reduction Techniques
AN68403
PSoC® 3 and PSoC 5LP Analog Signal Chain Calibration
AN57821
PSoC® 3, PSoC 4, and PSoC 5LP Mixed-Signal Circuit Board Layout Considerations
AN58827
PSoC® 3 and PSoC 5LP Internal Analog Routing Considerations
AN73854
PSoC® 3, PSoC 4, and PSoC 5LP Introduction to Bootloaders
AN60616
PSoC® 3 and PSoC 5LP Startup Procedure
AN60631
PSoC® 3 and PSoC 5LP Clocking Resources
AN77835
PSoC® 3 to PSoC 5LP Migration Guide
AN78175,
AN89056
PSoC® 3 and PSoC 5LP IEC60730 Class B Safety Software Library,
PSoC® 4 IEC60730 Class B Safety Software Library
Table 4 lists application notes (AN), code examples (CE), and knowledge base articles (KBA) that are linked to the
device description in PSoC 5LP Feature Set.
Table 4. Documents Related to PSoC 5LP Features
Document
Document Name
CPU and Interrupts
AN89610
PSoC® 4 and PSoC 5LP ARM Cortex Code Optimization
AN54460
PSoC® 3 and PSoC 5LP Interrupts
Memory
CE95313
PSoC® 3, PSoC 4, and PSoC 5LP Emulated EEPROM Memory
Direct Memory Access (DMA)
AN52705
PSoC® 3 and PSoC 5LP – Getting Started with DMA
AN84810
PSoC® 3 and PSoC 5LP Advanced DMA Topics
AN61102
PSoC® 3 and PSoC 5LP – ADC Data Buffering Using DMA
www.cypress.com
Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
Document
Document Name
CE95375
CE95376
SPI Master and DMA with PSoC® 3 and PSoC 5LP
SPI Slave and DMA with PSoC® 3 and PSoC 5LP
Digital Filter Block (DFB)
CE95316
Filter From to ADC to VDAC Using DFB with PSoC® 3 and PSoC 5LP
CE95317
Filter From to ADC to VDAC Using DFB in Polling Mode with PSoC® 3 and PSoC 5LP
I2C
CE95324
I2C LCD with PSoC® 3 and PSoC 5LP
CE95314
PSoC® 3, PSoC 4, and PSoC 5LP EZI2C
USB
AN57294
USB 101: An Introduction to Universal Serial Bus 2.0
AN57473
USB HID Basics with PSoC® 3 and PSoC 5LP
AN58726
USB HID Intermediate with PSoC® 3 and PSoC 5LP
AN56377
PSoC® 3 and PSoC 5LP – Introduction to Implementing USB Data Transfers
AN82072
PSoC® 3 and PSoC 5LP USB General Data Transfer with Standard HID Drivers
AN73503
USB HID Bootloader for PSoC® 3 and PSoC 5LP
CE95390
USB Audio with PSoC® 3 and PSoC 5LP
CE95395
USB MIDI with PSoC® 3 and PSoC 5LP
CE95394
USB HID Mouse with PSoC® 3 and PSoC 5LP
CE95393
USB Bulk Transfer with PSoC® 3 and PSoC 5LP
CE95392
USB Bootloader with PSoC® 3 and PSoC 5LP
CE95396
USB UART with PSoC® 3 and PSoC 5LP
Controller Area Network (CAN)
AN52701
PSoC® 3 and PSoC 5LP – Getting Started with Controller Area Network (CAN)
CE95282
CAN as Control Node with PSoC® 3 and PSoC 5LP
CE95283
CAN as Remove Node with PSoC® 3 and PSoC 5LP
KBA86565
Difference Between Full CAN and Basic CAN Mailbox
KBA86566
Acceptance Filter Implementation for CAN Receive Message
KBA86567
Modifying the Full CAN Mailbox’s Identifier in the Program
Universal Digital Blocks (UDB)
AN82250
PSoC® 3, PSoC 4, and PSoC 5LP – Implementing Programmable Logic Designs with Verilog
AN82156
PSoC® 3, PSoC 4, and PSoC 5LP – Designing PSoC CreatorTM Components with UDB Datapaths
CE95295
8-Bit UDB Counter with PSoC® 3 and PSoC 5LP
CE95384
16-Bit UDB-Based Timer with PSoC® 3 and PSoC 5LP
CE95323
Hardware Fan Control with PSoC® 3 and PSoC 5LP
KBA85325
Comparison of Resource Utilization Between PSoC® 3 and PSoC 5LP UDBs and Other Vendor CPLDs
KBA86336
Just Enough Verilog for PSoC®
Analog to Digital Converter (ADC)
AN84783
www.cypress.com
Accurate Measurement Using PSoC® 3 and PSoC 5LP Delta-Sigma ADC
Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
Document
Document Name
CE95277
Delta-Sigma ADC in Single-Ended Mode with PSoC® 3 and PSoC 5LP
CE95271
Delta-Sigma ADC in Differential Mode with PSoC® 3 and PSoC 5LP
CE95276
Sequencing SAR ADC with PSoC® 3 and PSoC 5LP
KBA81866
Best Method of Amplification to Get Better Performance from PSoC® 3 and PSoC 5LP Delta-Sigma ADC
KBA84753
Choice of Reference Voltage for Accurate ADC Measurements in PSoC® 3, PSoC 4 and PSoC 5LP
Digital to Analog Converter (DAC)
AN60305
Using PSoC® 3 and PSoC 5LP IDACs to build a better VDAC
AN64275
PSoC® 3 and PSoC 5LP: Getting More Resolution from 8-Bit DACs
AN69133
PSoC® 3 and PSoC 5LP Easy Waveform Generation with the WaveDAC8 Component
CE95397
Voltage DAC with PSoC® 3 and PSoC 5LP
CE95309
Dithered Voltage DAC with PSoC® 3 and PSoC 5LP
KBA84732
VDAC8 Output Voltage in PSoC® 3 and PSoC 5LP
KBA83238
Driving an External Load using VDAC in PSoC® 3 or PSoC 5LP
Comparator
AN60220
PSoC® 3 and PSoC 5LP Multiplexed Comparator
CE95292
Analog Voltage Comparator with PSoC® 3 and PSoC 5LP
CE95361
Scanning Comparator Using Internal VDAC with PSoC® 3 and PSoC 5LP
CE95360
Scanning Comparator Using Common Mode with PSoC® 3, PSoC 4, and PSoC 5LP
Operational Amplifier (Opamp)
CE95339
Operational Amplifier (Opamp) with PSoC® 3 and PSoC 5LP
Programmable Analog Block (SC/CT)
AN60321
Peak Detection with PSoC® 3 and PSoC 5LP
AN62582
AM Modulation and Demodulation
CE95342
Programmable Gain Amplifier (PGA) with PSoC® 3 and PSoC 5LP
CE95343
Inverting Programmable Gain Amplifier with PSoC® 3 and PSoC 5LP
CE95383
Transimpedance Amplifier (TIA) with PSoC® 3 and PSoC 5LP
CE95357
Sample and Hold with PSoC® 3 and PSoC 5LP
CE95337
Analog Signal Mixer with PSoC® 3 and PSoC 5LP
CapSense
AN75400
PSoC® 3 and PSoC 5LP CapSense® Design Guide
CE95287
CapSense® CSD Using Tuner with PSoC® 3 and PSoC 5LP
CE95284
CapSense® CSD Design with PSoC® 3 and PSoC 5LP
I/O
AN72382
Using PSoC® 3 and PSoC 5LP GPIO Pins
AN60580
SIO Tips and Tricks in PSoC® 3 and PSoC 5LP
KBA82883
Controlling a PSoC® 3 and PSoC 5LP GPIO in Firmware
KBA91716
Differences Between SIO and GPIO Pins in PSoC® 3 and PSoC 5LP
www.cypress.com
Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
Document
Document Name
Segment LCD
AN52927
PSoC® 3 and PSoC 5LP - Segment LCD Direct Drive
CE95368
Segment LCD with PSoC® 5LP
About the Author
Name:
Nidhin MS
Title:
Applications Engineer Sr.
Background:
Nidhin graduated from GEC Thrissur, with a Bachelor's degree in Electronics and
Communication Engineering. His technical interests are analog signal processing, lowpower design, and capacitive touch sensing.
www.cypress.com
Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
Document History
®
Document Title: AN77759 - Getting Started with PSoC 5LP
Document Number: 001-77759
Revision
ECN
Orig. of
Change
Submission
Date
Description of Change
**
3554384
ROSS
03/20/2012
New application note
*A
3819945
RNJT
11/23/2012
Updated for PSoC 5LP
*B
3866015
RNJT
01/11/2013
Fixed PSoC 5LP links
*C
4592410
MKEA
12/10/2014
Added PSoC Resources section.
Updated for PSoC Creator 3.0 SP2
Edits and rewrites throughout.
*D
4645196
NIDH
02/17/2015
Updated for PSoC Creator 3.1
Updated template
Sunset review
*E
5013158
MKEA
11/25/2015
Deleted attached project; transferred it to code example CE203303. Added
references to the code example.
Updated for PSoC Creator 3.3
Expanded Related Documents section
Miscellaneous minor edits, mainly to better align with AN79953, Getting Started
with PSoC 4
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Document No. 001-77759 Rev.*E
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Getting Started with PSoC® 5LP
Worldwide Sales and Design Support
Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find
the office closest to you, visit us at Cypress Locations.
PSoC® Solutions
Products
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cypress.com/go/automotive
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cypress.com/go/clocks
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Interface
cypress.com/go/interface
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cypress.com/go/powerpsoc
cypress.com/go/plc
Community | Forums | Blogs | Video | Training
Memory
cypress.com/go/memory
Technical Support
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cypress.com/go/psoc
cypress.com/go/support
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cypress.com/go/touch
USB Controllers
cypress.com/go/usb
Wireless/RF
cypress.com/go/wireless
PSoC is a registered trademark and PSoC Creator is a trademark of Cypress Semiconductor Corp. All other trademarks or registered trademarks
referenced herein are the property of their respective owners.
Cypress Semiconductor
198 Champion Court
San Jose, CA 95134-1709
Phone
Fax
Website
: 408-943-2600
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: www.cypress.com
© Cypress Semiconductor Corporation, 2012-2015. The information contained herein is subject to change without notice. Cypress Semiconductor
Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any
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Document No. 001-77759 Rev.*E
23
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