Legacy microcontrollers Forum Discussions
Hello,
It is my understanding that when the Memory Protection Unit(MPU) is active. You either have access to a memory region in which case you are able to read its contents or you do not have access in which case if you try reading/writing a memory violation is triggered.
But on the S6J336x when we turn on the MPU, certain regions though they do have content are read as zero. There is no memory violation and we do not read the correct content, we just read zeros.
Is this a known issue ? because this is really strange behavior.
Thanks.
--Bilal
Show LessDear all,
On the FM3 (FM3 CY9Bx20M-Series Arm® Cortex®-M3 Microcontroller (MCU) FamilyのFM3 CY9Bx20M-Series Arm® Cortex®-M3 Microcontroller (MCU) Family) product selector guide, there are no MPNs below. Would you please add these products?
CY9BF121LPMC1-G-MNE2
CY9BF122MPMC-G-MNE2
CY9BF122LPMC1-G-MNE2
CY9BF322LPMC1-G-MNE2
Best,Shun Furusawa
Show LessBeen having issues receiving SPI Messages back from the device. im working in the STM32 & SPC ecosystem and have tried both boards with no success.
im using a stm32f4, SPI full duplex with a gpio toggling on and off as the csn. from what i see on the datasheet the spi is configured to MODE 1, with the clock being <5Mhz (im at 1.25)
i have a feeling that my interpritation of their ardiuno code -> hal_library may be wrong
I''ve attached my logic analyzer files and c program files including the libraries.
hope to hear from you soon !
*update: also forgot to mention the board is running in test mode Show Less
Hi,
We are using S6E1A of FM0+ series.
For IO with general-purpose IO (GPIO) and timer input (TIOB) functions,
We are considering using these modes while switching them dynamically.
So please tell us about the following.
When changing GPIO to TIOB, Do you know how long it can be used as a TIOB?
When changing TIOB to GPIO, Do you know how long it can be used as a GPIO?
Are these switching times specs?
Regards,
Show LessRegarding the model number "CY9BF114NPMC-G-JNE2", we have the following two questions.
1. Is it okay to recognize that the analog power supply (AVCC and AVSS) and the digital power supply (VCC and VSS) are isolated inside the MCU?
There was a notation on the data sheet that the potentials of analog GND and digital GND are common, but should it be separated?
I am using the AD conversion function.
2. If I divide analog GND and digital GND, please teach us about the maximum allowable potential difference between VSS and AVSS.
Best regards.
Show LessCan you help identify this board
I'm pretty sure it is a Lux Meter. Any help would be appreciated.
Show LessHi All,
Could you all advise MB9BF618SPMC-GE1 replace part number, since it has been EOL?
And also, can you advise MX25L12845GZNI-08G PTP CYP part number for replacing?
BR.
Hunt
Show LessHey guys:
I have already used the FM4-S6E2CC board for a while, but every time when I try to write some code, I always stuck in library stuff if I try some other resource code(something didn't define, etc.). Is there any whole package library resource can download? or I can only build by myself?
Show LessHi,
I plan to use S6E2C1AH0AGV2000A and would like to know the impedance and tolerance (xx ohm, +/- xx % or min.) of analog port AN00 to 31 terminal.
I can find the impedance value in datasheet which is 12Kohm "Analog input resistance, Rain" because our AVCC design is 3.4V, but tolerance is not described.
So, could you please let me know the tolerance or minimum value?
Please feel free to tell me if you need more information.
Best regards,
Shohei
Show Less