TLF35584 on TC366TH v1.0 eval board can successfully enter normal mode. However when I try to switch to STANDBY mode or SLEEP mode it doesn't enter these modes. When I try to switch from normal mode to standby it enters to INIT state. Similarly, when I try to switch from normal to sleep it enters to WAKE state. I checked and confirmed that ENA , WAK and SPI commands. Also, I tried to switch from WAKE state to Standby state but it switched itself to INIT mode. I also can switch from INIT to Normal mode again. There is only two conditions that make impossible to switch to standby or sleep mode which is this condition:  "MCU current from QUC did not fall below configured threshold" and "MCU current from QUC did not fall below threshold if configured".

How can I configure MCU current from QUC threshold? or is this the only problem for switching between modes?

I need help. Look to state diagram in datasheet.

Hi, I have some questions from the customer regarding the S29GL256S10TFV010 and S25FL256SDSMFV010  devices. I would appreciate it if you could help answer or point me towards the correct resources for the following for the two devices:

• Mass
• Encapsulation/Housing Material
• Part CTE with Tg in correct units (typically ppm/degC).
• Lead-frame Base Material (e.g., copper)
• Is Lead-frame certified for AECQ?
• Plating Materials & Thicknesses (inner layer(by%)/outer layer(by%)) [e.g., Ni 0.001-0.002µm/(98%Sn-2%Bi) 0.010-0.20µm]
• What solder method is used? (e.g., reflow, wave (single or multi), selective)
• Are there changes to the soldering process?  (yes/no)
• Solder alloy composition on the circuit board (% breakdown)
• Solder Reflow profile, if lead-free solder
• Soldering profile part rating (max temp and time at max temp ratings)

Thanks in advance,

Jason

Hello all, 

Most of the data I'm trying to transmit seems to be going between the FX3 and the other chip just fine, but I'm periodically getting zero length packets seemingly coming from nowhere. I've been trying to debug this, but everything I've tried has been a dead end so far.

I'm trying to use the FX3 to connect an 8051 on our board with a host application on a windows PC. My setup is as follows:

• An 8051 that has the microcontroller business logic. 
  • It receives input from the host from GPIF-II addresses 1 (buffered) and 2 (immediate), sends responses on 3, and there's logging macros that use address 4.
  • It's mostly legacy code, except what I've changed to make it work with the FX3.
• The FX3 that's mainly passing data between the host and the 8051
  • I'm using the GPIF-II interface. The state machine I'm using is basically the async slave fifo interface provided as a sample, except that I've changed some of the pin numbers.
  • USB addresses 2, 4, 6, and 8 are connected to GPIF-II addresses 1, 2, 3, and 4 respectively.
  • I have an additional USB endpoint 10 that I'm using for debugging. Every time data a packet is added to one of the other buffers, I sent the contents and a little metadata to the host. This way, I can debug problems between the FX3 and the 8051 independent of the production app running on the host.
• On the Windows Host PC, I have the production app that's trying to use endpoints 2, 4, 6, and 8 to talk to the 8051. There's some other issues there that I still need to investigate, but it's at least able to consume data from the buffer so they never get too full.
• Also on the windows PC, there's a logger app that connects to endpoint 10, and formats and prints the packets that the FX3 has received from the 8051.

Now the problem I'm seeing is that, the 8051 sends a keepalive signal periodically to the host app, and every once in a while, we get a zero length packet as well.

Here's what I've tried in my investigation:

• I've set breakpoints in the 8051 code to check if the actual data we tell it to send really is zero, and it never gets triggered, so I can be sure that we don't ever try to send a ZLP. I've verified that the pins I'm using to communicate with the 8051 are only touched in the 4 read and write functions that I expect them to, so the breakpoints I mentioned should cover every situation.
• I've verified that the order in which the pins change to control the state machine is correct. That is to say to write to the buffer:
  1. SLWR = 0
  2. Write Data
  3. if this is not the last byte, SLWR=1 and go back to 1.
  4. If this is the last byte:
  5. PKTEND = 0
  6. SLWR = 1
  7. PKTEND = 1
• My coworker who designed the board suggested that timing issues could mean the state machine is in a different state than I thought it was, so I've done the following to check timing:
  • In the FX3 manual, it says the GPIF-II "Enables interface frequencies up to 100 MHz", which I assume means that it can change state at least once every 10ns. In the state machine, changing a single pin causes at most 3 state changes before it reaches a stable state, so I tried adding a 30ns delay after every time we change a pin. Then when that didn't make a difference, I added another 30ns just in case, but still no dice.
  • Then I tried adding a full 1ms delay for good measure after every time I changed a pin, which changed nothing either. I figured this would cover my bases if I was mistaken about how fast the state machine transitions.

I suspected that maybe there's noise or something changing the PKTEND pin long enough to trick the state machine into sending a ZLP, but my coworker has already dismissed that notion. He's the hardware guy, so I can't really make him check it, and he didn't leave a way to attach a scope or anything to the pin, so wouldn't be easy.

If anyone has any suggestions of what might be going wrong, or ideas for other things I could test, I'd love to hear them.

Dear community,

On https://community.infineon.com/t5/MOTIX-MCU/BLDC-Sensorless-FOC-TLE9879-Arduino-Kit-24VDC-and-high-speed/td-p/340304 we solved how to run the TLE9879 with 24VDC main voltage. Because the TLE9879 Arduino Kit is not possible to configure if we don't have the Segger J-Link for programming it, I confirmed the solution with the TLE9879 EvalKit V1.4 configurable by USB.

I open a new discussion about this time the PI Controller and the BEMF and FOC projects that I try to adapt for my application of driller:

Motor used: 16mm diameter 1 pole pair 24VDC sensorless BLDC motor with 30.000rpm maximum speed, 90µH and 1,3ohm phase to phase, 1750rpm/V.

Objective: to apply a varying load on the axis without stopping the motor and with a speed remaining constant. When a blocking current is reached (maximum torque), the motor is blocked then.

The BEMF software has not so much documentation but after several tunings in the Config Wizard I can obtain good performances and drive the motor from 2.000rpm to 30.000rpm. On middle/high speeds the blocking current is around 5A and on lowest speeds, around 2A.
The improved settings are: "2" polepair, "400" Ki, "100" Kp, "0.01" Speed Filter Time, 15 KHz PWM.
I got also good performances with: "2" polepair, "0" Ki, "400" Kp, "0.01" Speed Filter Time, 10 KHz PWM.

Now I would like to increase the current on the low speeds without affecting the high speeds performances. But when I change the PI Controller parameters for low speeds, the high speeds performances are degraded. Is there existing a documentation for the TLE9879 PI Controller with the formulas used by the BEMF software and its PI Controller? Perhaps someone can propose me good PI values to test for the motor parameters I use?

If found this interesting application note https://www.infineon.com/dgdl/TLE7242G-TLE8242-2L%20-Application-Note_KP_KI_V2_0.pdf?fileId=db3a30431ed1d7b2011eee8f965a5485 but it is for another software driver I guess, and after calculation of the KP KI values it didn't improved my application. Also the formulas from a comment in my previous post didn't help.

The FOC software is more complexe to configure but more documented. Is this FOC method compatible with my motor and application? Because after several trials, I cannot run my motor as good as on the BEMF method.

Many thanks in advance for support.

Best Regards,

Julien

I have a technical question about the External Crystal Oscillator (ECO) used in this microcontroller, the frequency of this crystal should be between 3.988- to 33.34-MHz. [ the microcontroller is " CYT2B94CACR0AZSGST"]
I'm asking about the  suggested PPM of this crystal.
I wonder choose a crystal to implement with this microcontroller and I have many choices of crystal, I need to fix one of them and I did not have the information of the recommended PPM of the External Oscillator in the datasheet.

Hello community!

I am using a Psoc 63 CYBLE-416045 processor and I wanted to know if it is possible for the BLE to trigger an interruption when a specific advertisement is detected. 

I have a system that has its processor in sleep mode to save battery and would like to have the BLE scanning/waiting for a certain advertisement, if that happens the system will wake up. Is it possible to configure the BLE to do this with the processor in sleep mode? can the BLE be configured to work in such way? Is there any code example i could refer to? 

Thank  you in advance for any information related to this.

Dear supporter

I want to translate the following KBA(KBA235128), please confirm to my work.

https://community.infineon.com/t5/Knowledge-Base-Articles/AURIX-MCU-Nested-traps-KBA235128/ta-p/349776

Best Regards.

Yutaka Matsubara

Hi  

I have a question about the exemple codes that exist in Keil Software  specifically  "driving  BLDC  MOTOR  in sensorless mode " code  ,  so my question is : Can we use this exemple code with all evaluation boards TLE987X  for exemple EVALB_VQFN or   only   for TLE9879 EVALKIT as it is  shown in the video in infineon website ?

I mean in   this code , is there some parameteres configured that works only with  TLE987X Eval kit  or it is standard code for driving BLDC motor in sensorless mode no matter the  TLE987X Eval board used ?

Thank you .

Best regards.