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Title
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Customer Rating
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Updated
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Replacing a CY7C14X slave device with a CY7C13X master device
For a Dual port SRAM, Can I replace a slave device with a master device? What are the differences between the slave devices and master devices? - Can I use only master devices?
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Not yet rated
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03/27/11 |
Replacing obsolete asynchronous dual-port RAMs
The part I was using is now obsolete. What is a good replacement part?
Is there something I can use to replace this asynchronous dual-port?
What is important when picking a replacement asynchronous dual-port?
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Not yet rated
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03/27/11 |
Write Operation Timing of Asynchronous Dual-ports
- When is the internal logic of an asynchronous dual-port latch the address during a write cycle?
- Is the address latched when CE# transitions to low?
- Do write operations begin when R/W# transitions to low or when CE# and R/W# both transition to low?
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Not yet rated
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03/27/11 |
Comparision between Asynchronous and Synchronous Dual-Port RAMs
- What are the main differences between Asynchronous and Synchronous dual-port rams?
- What are the advantages and disadvantages of using either one of them?
- Under which circumstances is it better to use Async/Sync?
- Should I use asynchronous or synchronous dual-ports for my application?
- I have a fast processor. Should I use a synchronous or asynchronous dual-port?
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Not yet rated
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03/27/11 |
Default Stae of GDx and PWx Pins at Power Op or Reset - CY8CLED04D01
What is the default state of GDx and PWx pins of CY8CLED04D01 at power up or during reset?
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Not yet rated
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03/27/11 |
Change CPU Clock of PSoC in Firmware
How to change the CPU_Clock of the PSoC in the firmware (for example switch between Sysclk/2 and Sysclk/1) ?
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Not yet rated
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03/27/11 |
Glitch on P1[0] at POR and XRES
After POR or XRES event, P1[0] goes high for some time. Why is it so?
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Not yet rated
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03/27/11 |
Digital Input Row Synchronizers
Why the accuracy of Digital block in PSoC1 does not improve even when an accurate external clock is selected?
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Not yet rated
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03/27/11 |
Use of MiniProg3 to program PSoC1 parts
Can Miniprog3 be used to program PSoC1 devices?
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Not yet rated
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03/27/11 |
Difference between Bank 0 and Bank 1 registers
What is the difference between Bank 0 registers (User space registers) and Bank 1 registers(Configuration space registers)?
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Not yet rated
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03/27/11 |
Analog Column clock for 3-OpAmp topology Instrumentation Amplifier
Does the analog column clock has an effect on the output of 3-OpAmp topology Instrumentation Amplifier?
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Not yet rated
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03/27/11 |
Allocation of Variables at Absolute Address in RAM
How do I allocate variables at absolute address in RAM?
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(5/5) by 1
user
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03/27/11 |
E2PROM Parameters and Map File
How does the locations of EEPROM User Module reflect in the Map file?
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(4/5) by 1
user
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03/27/11 |
CY3250 Flex Cable - Invalid Memory Reference
When I use CY3250 flex cable, I receive an error “Invalid Memory Reference”. I am not able to use the cable to emulate / debug.
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Not yet rated
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03/27/11 |
EZI2C does not work with address greater than 63
Why does the EZI2C UM does not work when I2C address is greater than 63?
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Not yet rated
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03/27/11 |
Configuration of P1[0] and P1[1] when not used
How should the P1[0] and P1[1] be configured in the project if they are used only for ISSP?
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Not yet rated
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03/27/11 |
C compiler license key with CY3215-DK kit
How do I get the C compiler license key that I bought with CY3215-DK kit.
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Not yet rated
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03/27/11 |
Error: Invalid Compiler License
Why does the PSoC Designer 5.0 give an error of "!E C:\Program Files\Cypress MicroSystems\PSoC Designer\tools\InvalidCompilerLicense.txt(0): ...Operation terminated. Compiler License invalid or not accessible" even though a valid license is installed?
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Not yet rated
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03/27/11 |
Battery Life Calculator
How to calculate the life of battery in a battery powered application
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Not yet rated
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03/27/11 |
ESD level for GPIOs of PSoC1 CY8C20X66
What is the ESD acceptance level on GPIO pins of CY8C20xx6A family chip?
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Not yet rated
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03/27/11 |
Bootloader not working when paging is disabled.
Can I use boot loader when I disable the paging in the PSoC Designer Project?
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Not yet rated
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03/27/11 |
Error: Object too large to fit in SRAM
When project is built, error similar to following is generated whenever I have array declaration which needs more than 256 bytes. Why?
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Not yet rated
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03/27/11 |
ADCINC clock
Is the value set in the ‘Dataclock’ parameter tab of the ADCINC module common for both the Digital and Analog blocks of the ADCINC ?
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Not yet rated
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03/27/11 |
Delay Functions
How do I implement software delays in my project?
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(5/5) by 1
user
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03/27/11 |
Choosing an external 32.768kHz crystal.
How do I choose an External Crystal Oscillator as ILO for my PSoC 1 device ?
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Not yet rated
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03/27/11 |
Drive Mode of GPIO Pins at POR
What is the drive mode of the GPIO pins during the POR state?
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(5/5) by 1
user
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03/27/11 |
Controlling a GPIO in Assembly
I understand how to put a byte out to a register. How do I control P1(0) without effecting other pins ?
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Not yet rated
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03/27/11 |
Decoupling Capacitors
Is there any recommendation for decoupling capacitor on VDD line of PSoC?
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Not yet rated
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03/27/11 |
CY3207 ISSP Programmer - Powering the Target Board
I would like to power my target board using the CY3207 programmer. Can CY3207 ISSP programmer supply power to the target board?
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(2.5/5) by 2
users
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03/27/11 |
Assembler Directives to Specify RAM Area and Code Area
What are the reserved words in assembler to designate code and data areas?
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Not yet rated
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03/27/11 |
Drive Mode for Unused GPIO pins and EMC consideration
Which drive mode is preferable for unused GPIOs for least power consumption and better EMI performance?
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(5/5) by 1
user
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03/27/11 |
CY3215-DK - Purchase Separate Parts
Is there any option to purchase parts of CY3215-DK kit separately?
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Not yet rated
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03/27/11 |
Controlling Port Pins
Can I directly control a GPIO in C?
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(5/5) by 1
user
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03/27/11 |
Accessing Registers without the 'reg' Prefix
What happens when I write an assembly code to access a register without the "reg" keyword, for example, "mov A, [PRT1DR]". Does the assembler generate an error for this?
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Not yet rated
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03/27/11 |
BIT addressable variables
Is it possible to define and use bit addressable variable in C?
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(5/5) by 1
user
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03/27/11 |
Drive Modes in PSoC GPIO
What are the different drive modes available for the PSoC GPIO and what are their applications?
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(5/5) by 3
users
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03/27/11 |
ADC Sample Window and Noise Rejection
How do I select the ADC sample window for rejecting certain noise frequencies, for example power supply noise?
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Not yet rated
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03/27/11 |
Handling Two byte variables in assembly
How to perform arithmetic operations on a two bytes variable in assembly language?
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Not yet rated
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03/27/11 |
Default state of GPIO of CY8C9540
What is the default state of the GPIO pins of CY8C9540?
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Not yet rated
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03/27/11 |
Drive mode for maximum driving strength
Which drive mode should be used for providing the best possible drive strength? Is it possible to tie multiple lines together in order to drive higher load?
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Not yet rated
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03/27/11 |
DAC current control in Enhanced comparator user module of CY8C22345
In enhanced comparator user module of CY8C22345, how do I control the DAC current (5 bit) if I select VDACL or VDACR as one of the input?
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Not yet rated
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03/27/11 |
Calling the PSoC Programmer from a different application
Is there any provision to call PSoC programmer from the GUI interface which is developed in VC++?
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(3/5) by 1
user
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03/27/11 |
External SysClk
Can an external clock be used as SysClk for the PSoC?
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Not yet rated
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03/27/11 |
External VREF and Pullup on P2[6]
Can I enable the internal pull up on P2[6] when it is configured as external Vref Input?
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Not yet rated
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03/27/11 |
Differential Amplifier
How do I implement a differential amplifier in PSoC?
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Not yet rated
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03/27/11 |
CheckSum for different Power settings in Global Resources
For the same application code, if I change the power setting between 5V and 3.3V, will the Checksum of the device change?
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Not yet rated
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03/27/11 |
Code Size Reporting in HI-Tech Compiler
How does the HI-Tech compiler report code-size?
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Not yet rated
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03/27/11 |
Cascading PGAs - Maximum Gain
What is the maximum gain that can be achieved by cascading PGAs?
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Not yet rated
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03/27/11 |
AMUX Switching Time
What is the total AMUX switching time taking into consideration the multiplexer switch instruction? How much time is involved when an input signal is switched inside an ISR?
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Not yet rated
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03/27/11 |
Endurance Limit of Flash Block
The PSoC1 datasheet says that the endurance limit for a single flash block is 50,000 cycles. Is this limit absolute, or average?
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Not yet rated
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03/27/11 |