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LAUNCHXL-CC26X2R1: Simple timer that does not invoke a handler function

Part Number:LAUNCHXL-CC26X2R1

Hi

I am  looking for a light weight timer that I can set to run for a certrain amount of time and that I can check to see if it ran out or is still running. The timer should not need a handler function or ISR. The timer should continue running while the mcu is sleeping.

Best Regards


TINA/Spice/TPS1H000-Q1: Un-Encrypted spice model for TPS1H00-Q1?

Part Number:TPS1H000-Q1

Tool/software:TINA-TI or Spice Models

Team,

My customer is having issue's importing the encrypted spice model for TPS1H000-Q1 can you share the un-encrypted version? It is not posted on the internal model repository.

DP83867IR: DP83867IR: IBIS Model

Part Number:DP83867IR

The IBIS file for this part is still incorrect.  File dp83867.ibs, Rev 1.1, Dated 02/19/2019, still has pin TX_CTRL incorrectly as an output.

DLP3010EVM-LC: Change data of Splash Screen

Part Number:DLP3010EVM-LC

Hi,

Could you tell me how to change data of Splash Screen in DLP3010EVM-LC ?
If you have any manual, Please let me know.

Best Regards
Hiroyasu

TMS320F28335: Will TMS320F28335 ADCRESULTn register reserved bits guaranteed to be zero at all times

Part Number:TMS320F28335

Can you please verify the ADCRESULTn reserved bits will always be zero?

Here is my concern...

The ADCisr does the following:

uint16_t ADC_Reading1 = ADC_getValue(ADC_MOD_1);  // Read all 16 bits of register

Some parts of the code mask of the upper 12 bits of the ADC as follows:

uint16_t adcLevel1 = ADC_Reading1 & 0x0FFF; // This is safe by masking off reserved bits

While other parts of the code use ADC_Reading1 directly as follows:

if (ADC_Reading1 < 1) {

   // BUG??? This code won't get called if a reserved bit is set

}

DLP3010: Status of Mirror of DLP3010

Part Number:DLP3010

Hi,

Do Mirrors of DLP3010 become park when it is power-off ?
I can not find this in datasheet.

Best Regards
Hiroyasu

J6EVM5777: First configuration

Part Number:J6EVM5777

Hello TI support,

I am a newbie and I have been trying my best to find a guideline to solve my problem.

I am using the evaluation board EVM5777G-03-20-00 J6EVM5777 and, as first step, I want to install a pre-build Android image.

Following the link http://www.ti.com/tool/j6evm5777 in the software section there is a link for AM57x, where I downloaded the AM57xx EVM Android SDK (64-bit Binary)

As first step I should partition a micro-SD, so I use the script in <AM57xx>/bin/create-sdcard.sh which creates a micro-SD with only one FAT32 partition with MSDOS partition table.

ti-processor-sdk-android-am57xx-evm-05.03.00.07/bin$ sudo ./create-sdcard.sh 


################################################################################
This script will create a bootable SD card from custom or pre-built binaries.

The script must be run with root permissions and from the bin directory of
the SDK

Example:
 $ sudo ./create-sdcard.sh

Formatting can be skipped if the SD card is already formatted and
partitioned properly.

################################################################################

Available Drives to write images to: 

#  major   minor    size   name 
1:   8        0 1953514584 sda
2: 179        8    7761920 mmcblk0
 
Enter Device Number or n to exit: 2
 
mmcblk0 was selected

/dev/mmcblk0 is an mmcblkx device
Current size of mmcblk0p1 7744512 bytes

################################################################################
   Partitioning will format the drive with boot partition
################################################################################

################################################################################
	****WARNING**** continuing will erase all data on mmcblk0
################################################################################
Would you like to continue? [y/n] : y
################################################################################
		Now making boot partition
################################################################################

1024+0 records in
1024+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.375459 s, 2.8 MB/s
DISK SIZE - 7948206080 bytes

################################################################################
		Partitioning Boot
################################################################################
mkfs.fat 4.1 (2017-01-24)
mkfs.fat: warning - lowercase labels might not work properly with DOS or Windows
################################################################################
   Partitioning is now done
   Continue to copy boot files or select 'n' to safe exit

   **Warning** Continuing will erase files any files in the partitions
################################################################################

Would you like to continue? [y/n] : y

Mount the partitions 
Emptying partitions 
 
Syncing....

now installing:  ti-processor-sdk-android-am57xx-evm-05.03.00.07

0. BOOTFILEPATH = ....03.00.07//board-support/prebuilt-images
1. BOOTIMG      = u-boot-am57xx-evm.img
2. BOOTUENV     = uEnv.txt
3. MLO          = MLO

Would you like to continue? [y/n] : y
 
################################################################################
	Copying files now...
################################################################################

Copying boot partition

MLO copied
u-boot.img copied
uEnv.txt copied

Un-mount the partitions 
Remove created temp directories
Operation Finished

If I try to power on the board using this micro-SD I have no info in the serial terminal (minicom).

Reading some forum posts, I found http://processors.wiki.ti.com/index.php/6AO.1.1_Release_Notes and the pre-build images at http://software-dl.ti.com/infotainment/jacinto6/android/6AO_1_1_Release/index_FDS.html

So I tried to copy u-boot.img and MLO in J6/J6 ECO/J6 Entry/J6 Plus EVM binaries. Furthermore I used J6ES2.0 EVM DIP switch settings (according to 6AO1.1 Release Notes).

Executing the boot I have:

U-Boot SPL 2016.05-00001-g5ddd5a8a (Apr 10 2018 - 20:40:15)
DRA752-GP ES2.0
no pinctrl for hs200_1_8v
no pinctrl for ddr_1_8v
** First descriptor is NOT a primary desc on 1:1 **
Trying to boot from MMC1
reading u-boot.img
reading u-boot.img
reading u-boot.img
reading u-boot.img


U-Boot 2016.05-00001-g5ddd5a8a (Apr 10 2018 - 20:40:15 -0500)

CPU  : DRA752-GP ES2.0
Model: TI DRA742
Board: DRA74x EVM REV H.0
DRAM:  4 GiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
** First descriptor is NOT a primary desc on 1:1 **
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
ERROR: cannot find partition: 'userdata'

at arch/arm/cpu/armv7/omap-common/utils.c:199/mmc_get_part_size()
Warning: fastboot.userdata_size: unable to calc
SCSI:  SATA link 0 timeout.
AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst 
scanning bus for devices...
Found 0 device(s).
Net:   
Warning: ethernet@48484000 using MAC address from ROM
eth0: ethernet@48484000
Hit any key to stop autoboot:  0 
=> env default -f -a
## Resetting to default environment
=> setenv partitions $partitions_android
=> env save
Saving Environment to MMC...
Writing to MMC(1)... done
=> @
U-Boot SPL 2016.05-00001-g5ddd5a8a (Apr 10 2018 - 20:40:15)
DRA752-GP ES2.0
no pinctrl for hs200_1_8v
no pinctrl for ddr_1_8v
** First descriptor is NOT a primary desc on 1:1 **
Trying to boot from MMC1
reading u-boot.img
reading u-boot.img
reading u-boot.img
reading u-boot.img


U-Boot 2016.05-00001-g5ddd5a8a (Apr 10 2018 - 20:40:15 -0500)

CPU  : DRA752-GP ES2.0
Model: TI DRA742
Board: DRA74x EVM REV H.0
DRAM:  4 GiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
** First descriptor is NOT a primary desc on 1:1 **
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
ERROR: cannot find partition: 'userdata'

at arch/arm/cpu/armv7/omap-common/utils.c:199/mmc_get_part_size()
Warning: fastboot.userdata_size: unable to calc
SCSI:  SATA link 0 timeout.
AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst 
scanning bus for devices...
Found 0 device(s).
Net:   
Warning: ethernet@48484000 using MAC address from ROM
eth0: ethernet@48484000
Hit any key to stop autoboot:  0 
=> fastboot 0
UNKNOWN IRQ type 892498993

and launching fastboot from my host (even if the board is connected through terminal cable and USB3):

emmc$ sudo ./fastboot.sh 
Fastboot: ./fastboot
Image location: ./
No device detected. Please ensure that fastboot is running on the target device

So, where can I find a complete guide for J6? I think the first problem is the partition, but I don't know how.

Thank you in advance.

LM5021: Undefined maximum voltage on Vcc

Part Number:LM5021

I am using the LM5021 in an isolated flyback circuit.  24V DC in and 16V out.

In order to ensure that the device starts up at a usable voltage I cannot use the internal regulator but instead I create a 9V supply (from a linear regulator, there is no start-up winding) and connect this to both VIN and VIN, i.e.   the internal regulator is by-passed.

My question is what is the maximum permitted value of VCC?

The data sheet SNVS359E –MAY 2005–REVISED DECEMBER 2014 is contradictory:-

"All other pins to GND  7V" but this van't be true because Vcc is 8.5V nominal!
"VCC Output only of a linear bias supply  regulator. Nominally 8.5 V."
and later
"It is not recommended that the bias winding be connected to the VCC pin of the LM5021. Doing so can cause the device to operate incorrectly or not at all."
We ll I can repor tthat it works just fine with VIN=VCC=+9V from an external source.  What I would like to know hoever is what is the maximum for Vcc so that I can tick a box in my circuit review.


AM6548: LPDDR4 Length Match requirements

Part Number:AM6548

Hi,

We are designing a board with AM6548 and LPDDR4 Micron part MT53E128M32D2DS-053 AIT:A.

We are referring to Board Design and Layout_spraci2 guidelines document provided by TI.

According to the document, we have length matched the signals as follows:

1. ADDR_CTRL_A with CK0

2. ADDR_CTRL_B With CK1

3. Byte 0 with DQS0, Byte 1 with DQS1, Byte 2 with DQS2, Byte 3 with DQS3

4. Length matched between CK0 and CK1 - 3ps

Please clarify on the following points:

1. Do we have to consider Package length while length matching. If yes, could you provide us this information.

2. Do we have to length match DQS with clock signals

3. Please confirm if any additional length match constraints are to be followed

Please revert back at your earliest convenience.

Thanks and Regards,

Sushruta

LMK00301: Layout consideration?

Part Number:LMK00301

Hi there,

We are layout LMK00301, LVDS in and LVDS x10 outputs. Datasheet only Section 10.3 mentioned a few words about layout. 

Is there any guidelines for LMK00301 to optimize its performance? Any general rules for these high-performance clock ICs layout would be appreciated. 

Thanks !

CC3200: Wi-Fi forum

CCS/CC1352R: Adding BLE stack/support to existing project

Part Number:CC1352R

Tool/software: Code Composer Studio

I am working with a custom board using the CC1352R to add BLE support to an existing project that currently only runs the sub-1GHz radio. This device will be a peripheral (advertise and wait for "master" to initiate connection).

I have looked through every document I can find and all of the information seems to start from the examples which already have the proper references set up. For example, I can see that the simple_peripheral project has a path variable SRC_BLE_DIR pointing to the ble5stack directory in the SDK and then some 'Other Repositories' based on that variable.

Do I just need to add this variable and (some of) these other repositories manually to my project? Or is there a "wizard" that I am missing to add BLE support to my existing project?

Also, the simple_peripheral application project seems to be dependent on a stack library project. The existing project that I am working with does have a TI-RTOS project on which it is dependent, but will/can it include the BLE stuff or do I need to create another "support" project for BLE?

Is there a guide that I have not found/noticed that provides the steps necessary to add BLE support to an existing project?

Thanks!
.Tim

TPS51285A: TPS51285A ----- Output capacitor of VREG3 and VREG5

Part Number:TPS51285A

Hi ,

According to TPS51285A datasheet suggestion , a ceramic capacitor with a value of 4.7 µF or larger (X5R grade or better) is required for each of VREG5 and VREG3.

If I change the capacitor value from 4.7uF to 1uF, will the controller  have abnormal fucntion? Is it a critical issue to do this change?

 I measured  VREG3 voltage level is stable in 3.3V even though the capacitor with 1uF.

Sincerely,

Chin

CC3220MODA: How to launch and flash firmware of CC3220MODASF12MON

Part Number:CC3220MODA

Hello there!

Could you tell me the minimum requirements for CC3220MODASF12MON launching? Which pins should I pull up and pull down with the exception of power and ground pins?

And the second question is about flash firmware. In case of developer board CC3220SF-LAUNCHXL I don't have any problems, but how can I flash firmware into CC3220MODASF12MON? I have read some ways in your guide (www.ti.com/.../swra568.pdf), but I wonder which one is the most easiest to try it with single instance, not mass production. It seems to me that the most easiest way is described in section "5.4 UART Hardware Connection Using the CC3220 LaunchPad". I can't understand your designation on "Figure 4. CC3220 LaunchPad". Because my board has different pins' numbers from shown on the figure there, although these boards are called similarly. Which pins should I really connect? J6, J7, J8 are not the same on these figures, as you can see. I would be very appreciate if someone shares his/her configuration for flash firmware with some description or/and photos. I need a starting point to launch CC3220MODASF12MON with my firmware, which I wrote using CC3220SF-LAUNCHXL.

Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.


Thank you in advance.

Best regards,
Roman

MSP430FR5969:where to download the datasheet for the MSP430FR5969 Microcontrollers?

Part Number:MSP430FR5969

good afternoon

I would like to know the link where I can download the datasheet for the microcontroller MSP430FR5969, I have searched for it but I always find the general for families MSP430FR596x, MSP430FR594x, I would like to download the specific one. Thank you.


TPS65265: Dynamic Response

Part Number:TPS65265

Hi,

I am testing on a board that uses the TPS65265 to generate several voltages. 

One of our supplies generated by the TPS65265, which has a nominal voltage of 1.2V, has a nominal current load of 50mA, but has transient loads of ~400mA.

We have found that there are dips on the 1V2 supply that last several hundred microseconds, and have been observed to be ~150mV from the nominal value. These deviations are causing issues for digital circuitry powered by the TPS65265

In the attached oscilloscope screenshot, green channel 2 is the voltage on the LX pin, DC coupled. Channel 3 in blue is the output voltage, AC coupled.  We are using the TPS65265 in PSM mode and it is clear that the TPS65265 changes mode when this transient load takes place. It appears that the TPS65265 is not regulating the output voltage for some time after switching from PSM mode to CCM mode. Are there any known issues with this?

Image may be NSFW.
Clik here to view.

Thanks,

Tom Perman

LM4140: ESR requirement of Low ESR Ceramic Capacitors?

Part Number:LM4140

Hi there,

We use LM4140 for DAC REF2.5V. SCH as below.  On Datasheet page9 Figure24-26 shows a Cout's ESR value range for STABLE operation. 

1.We use high quality C1005X5R1A475K050BC 4.7u, which has a very low ESR as pic below. Not sure how to decide the freq because ESR changes with frequency .  Our system has DC/DC all worked at 800KHZ. 

So shou we serial one resistor R1018 with Cout ?  

2. I also need to ask,  there is mechanical stress relief action required on page 12 of Datashseet, is it necessary ? How much Mechanical Stress/Distortion will it affect its performance?  Is there quantitative relationships? 

Thanks!

Image may be NSFW.
Clik here to view.

Image may be NSFW.
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DP83867IR: IBIS Model

Part Number:DP83867IR

I see the latest version of the IBIS file for this part has models for the SGMII inputs.  Are these valid?  I am getting terrible results when trying to use them.  Also, why are there no SGMII output models.

LM2678: Wide Range Output application Unstability / Voltage drop

Part Number:LM2678

Hi,

I am designing a power stage using LM2678 where:

Vin: 19V
Vout_min: 2V
Vout_max: 16V
Iout: 5A.

Problem: With a 4ohm load I found that it can not go higher than 7V approx (1.75A output). With a 8 ohm load this limit appears at 10V approx. With lighter loads (16ohm ) works fine.

Half-Solution: I found Samuel Jaffe recommended increasing input capacitance as closer as possible to the Switcher (Input and GND pins). (e2e.ti.com/.../699199)
I tried adding 1uF ceramic and 10uF ceramic caps. First soldered on the pins and later on a position where would be more convinient for manufacturing. All cases helped in the same way.
New limit is on the 10V (with a 4ohm load = 2.5A output). Moreover if power stage is turned-on configured (Rfeedback) for a higher voltage will do it right. The problem is rising voltage while it is running (changing Rfeedback). Then looses tracking and falls back to 10V.

Detail: I am using an SPI configurable resistor. C59 is on the way Vin goes to the switcher, so is filters the feeded19V to both ICs.

Find schema, clean layout, added caps layout attached.

Any recommendation/advice will be really apreciated.
Thanks in advance.

Tom

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CCS/IWR6843: IWR6843 Config file for people counter for ISK

Part Number:IWR6843

Tool/software: Code Composer Studio

Hi,

I have the EVM of the IWR6843.

At the new mmwave toolbox, there's project for 3d people counting.

I want to use this projet when the board is mounted on a tripod(side looking) and not on the ceiling.

Please direct me how to do this at the ccs project, and also provide some working cfg files to use the requested mounting for range of 25[m]

I was instructed to disable the line of #define ODS ,but the compilation crashed.

when compiling with this line enabled, the whole project was compiled.

Thank you

Gil

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