Activity
From 03/25/2012 to 04/23/2012
04/23/2012
- RV 04:40 PM Software Development: RE: PIN mux details and modifications
- Hi Mike,
Thanks for the information.
what are all the modifications we have to do if our board doesnot have any external pull up/down resisters?
Changing Mux details in baseboard_XX.c file seems not working for LCD_data pin to G...
04/20/2012
- MW 10:44 AM Software Development: RE: Test application for drivers
- For a linux system, GPIOs can be driven using sysfs via command line to modify the pins via the "gpiolib":http://www.mjmwired.net/kernel/Documentation/gpio.txt if the kernel has configured the pinmux settings for them to be associated to...
- Hi,
Do you have any test application to test the drivers such as GPIO and UART? Could you please share them?
Regards,
Raja. - MW 10:38 AM Software Development: RE: PIN mux details and modifications
- Are you using linux as your target OS? If you, you will need to update the pinmux settings in your baseboard-XXXX.c file in the kernel for the pins in question. You probably don't need to change u-Boot for these pins if you use externa...
- Hi,
I have to use more GPIOs in our design. I am thinking of using the pins assigned for CAN0 and CAN1 in Mityarm as GPIO.
Do i have to change the pin mux configuration if so do i have to use any utility for that?
u-boot needs t...
04/19/2012
- MW 03:50 PM Software Development: RE: Is RMII possible with the MityARM-3359?
- Yes,
It should be supported if you configure the pinmux accordingly. You will need to modify u-Boot in order to use the network in this configuration, as well as the kernel.
-Mike
- (posted on behalf of a customer)
Is RMII possible with the MityARM-3359? I didn’t see some on the alternate functions listed in Critical Links documentation but it exist in TI’s.
(whoops, posted to the wrong forum, can't seem to m... - MW 03:31 PM Software Development: RE: Is there a linux driver for RMII or just RGMII for the MityARM-3359
- We've only tried to use the RGMII port here. I'm fairly certain that RMII is supported, but you should contact TI on the "TI E2E site":http://e2e.ti.com to learn the details as to how to use the EMAC in this mode and configure it up.
... - Is there a linux driver for RMII or just RGMII?
- TI 02:54 PM PCB Development: RE: ADC reference voltage data required
- salam
The TI datasheet for the AM3359 [ http://www.ti.com/lit/ds/symlink/am3359.pdf ] recommends 1.8V for the ADC circuit. The max is 2.1.
I don't think I'd recommend using 3.3 for VREFP.
cheers
/Tim - Hi,
`A 3.3 V and 1.8 V are connected to the ADC reference voltage in your carrier board reference design, Can i connect 3.3 V to the ADC Ref.
Plz confirm?
regards
salam
04/18/2012
- MW 02:37 PM PCB Development: RE: Is a separate I2C EEPROM needed to ID our Carrier board?
- Yes,
You should be defining your own baseboard-***.c file if you are making a custom board using the baseboard-mityarm335x-devkit.c as a reference.
-Mike
- AS 11:46 AM PCB Development: RE: Is a separate I2C EEPROM needed to ID our Carrier board?
- Hey Mike, that helps a lot. One reason I was asking about the EEPROM because we plan to cable a 24-bit LCD/touchscreen into our carrier board and based on the ULCD7 code it seemed like they were relying on the EEPROM to detect the LCD/t...
- MW 08:06 AM PCB Development: RE: Is a separate I2C EEPROM needed to ID our Carrier board?
- Hi.
The TI SDK works with the MityARM-3359, but you need to replace "u-Boot":http://support.criticallink.com/redmine/projects/armc8-platforms/wiki/Das_U-Boot_Port and the "Kernel":http://support.criticallink.com/redmine/projects/armc8... - AS 12:00 PM PCB Development: RE: SPI1 pin conflict:
- Michael Williamson wrote:
> The MityARM-335x module provides SPI1 SCLK, D0 and D1 on pins 193, 195, and 197 of the edge connector.
> ...
No problem, we will most likely boot off MMC. The PinMux utility associates Pin 193 with SPI1_SCL... - MW 08:19 AM PCB Development: RE: SPI1 pin conflict:
- The MityARM-335x module provides SPI1 SCLK, D0 and D1 on pins 193, 195, and 197 of the edge connector.
On the module, these lines are connected to an on-board SPI NOR FLASH via SPI1_CS0 (Ball C12 on the 3359 package, not available on ...
04/17/2012
- (posted on behalf of a customer)
All the other AM3359 boards have this (ULCD, TI EVM, BeagleBone, etc.) and it looks like the EEPROM ID triggers companion code in the kernel. The EEPROM basically tells the kernel what hardware is con... - (posted on behalf of a customer)
MityDSP has dedicated pins 193, 195 and 197 to SPI1 because they connected it to an SPI NOR flash, however using either pins 195 or 197 Data with the 193 clock for SPI1 results in “IO Set violation” wa...
04/16/2012
- AS 02:42 PM PCB Development: RE: Reg. ADC reference voltage
- a gentle reminder for the below question
regards
salam
04/15/2012
- MW 12:47 PM PCB Development: RE: Specification TPS power sully design inthe AM3359 carrier board
- Hi Salam,
If you are asking if you can use our reference DevKit 3.3V supply design to power other 3.3V devices, then answer is likely "yes" assuming you are providing the same input voltage capabilities to the supply as are supplied o...
04/13/2012
- RV 03:23 PM Software Development: RE: Problem in building of kernel and booting
- Hi Mike,
Thankyou very much. That worked...
But the only difference is the kernal iamge name provided default in the SD Card has version 3.1.0+ and mine 3.1.0-g0e9e502. Does it mean anything?
And also I request your support in i... - AS 02:48 PM PCB Development: RE: Specification TPS power sully design inthe AM3359 carrier board
- gentile reminder for the above question
- AS 02:48 PM PCB Development: RE: Specification TPS power sully design inthe AM3359 carrier board
- gentile reminder for the above question
04/12/2012
- MW 05:54 PM Software Development: RE: Problem in building of kernel and booting
- Hi,
In order to build the kernel image, you need to checkout the "mityarm335x_wip" branch. It is not the default master branch. You may also need to do a "git pull" on your VM in order to make sure you get the latest kernel patches....
Hi,
I tried to recompile the kernel provided and booting the same on MityARM 335x development board.
I have followed the procedure as mentioned in lilnk http://support.criticallink.com/redmine/projects/armc8-platforms/wiki/Linux_...
04/11/2012
- AS 12:16 PM PCB Development: RE: Regarding I2C interface
- Hi Raja,
I've used 2 Mosfet's for level translation in the past. cheaper and works well, plus no obsolescence issues.
Regards,
Alexei
- RV 10:21 AM PCB Development: RE: Regarding I2C interface
- Hi Alexei,
Could you please suggest an IC for this application.
Regards,
Raja. - AS 10:04 AM PCB Development: RE: Regarding I2C interface
- Hi Raja,
you have to use 5V to 3.3V I2C level shifter to interface with AM3359, it is not 5V tolerant part
this article may be helpful http://ics.nxp.com/support/documents/interface/pdf/an97055.pdf
Regards,
Alexei - Hi,
`A 3.3 V and 1.8 V are connected to the ADC reference voltage in your carrier board reference design, Can i connect 3.3 V to the ADC Ref.
Plz confirm?
04/10/2012
- AS 05:23 PM PCB Development: RE: Specification TPS power sully design inthe AM3359 carrier board
- Hi alexi,
as per your Carrier board design guidline,the Typical input voltage of the SOM module is 5v, so we are planning to give 5v ,0.7A supply to SOM module( coz we are usuing 5V for some other section also)
And for all peripharals... - AS 11:32 AM PCB Development: RE: Specification TPS power sully design inthe AM3359 carrier board
- Hi Salam,
the SOM module requires 3.3V input voltage with up to 1Amp input current, our Dev Kit board based on TPS5430 IC to generate 3.3V supply, the input cicrcuit can handle up to 20V as we are using MOSFET for reverse polarity pro... - We need to interface Power line Communication through I2C to AM3359.
Device communication output voltage specifications are as follows:
VOH = 4V (min)
VOL = 0.75 (max)
VIL = 0.8 (max)
VIH = 2.1 (min)
please let us know the ...
04/09/2012
- MW 04:07 PM PCB Development: RE: Reg. Vin-input power supply to the Microcontroller connector.
- That circuit is not required for your design. It is a current measuring circuit in order to allow someone to measure the power consumed by the MityARM-335x module via I2C interface. You don't need it.
-Mike
- Hi,
we are plnning to generate a 5v input supply (5v,0.75 A) , that will be connected to the to the microcontroller, As per the reference carrier baord schematic provided by the carrier link,, iam sseing some other circuit (attached w... - HI,
Could you please send me the Specification TPS power sully design inthe "AM3359":http://www.mitydsp.com/mityarm-3359 carrier board.
Regrds
salam
04/05/2012
- TC 08:01 PM PCB Development: RE: schematic of MityARM-3359
- Hello Amin -
Critical Link does not provide the schematic diagram for our MityDSP modules. However, we do understand that detailed information is needed by developers using our modules to develop base boards and software for them so ... - AA 02:55 AM PCB Development: RE: schematic of MityARM-3359
- also I need the schematic of MityARM-335x Development Kit.
Amin - hi
I need the schematic of MityARM-3359. How can I access to it?
Thanks
Amin
04/04/2012
- RV 03:56 PM PCB Development: RE: ADC reference voltage details
- Hi Mike,
Does that mean giving the analog input as as maximum produces 4095 value?
Shall i assume maximum ADC input voltage as 1.8V?
Regards,
Raja. - MW 01:22 PM PCB Development: RE: ADC reference voltage details
- Hi Raja,
The AIN[0:7] ADC reference voltages are set by VREFN and VREFP of the AM3359. Those pins are brought out to the edge connector (pins 176 and 178) and are direct connects to the AM3359 (there are some bypass caps to AGND on t... - Hi,
We are in the process of designing signal conditioning circuitry for ADC. Could please let us know what is ADC reference voltage.
I couldnt get quite well this info from the data sheet.
Regards,
Raja. - RV 12:29 PM Software Development: RE: Virtual Box aborts
- Host machine is running on Ubuntu 10.04. I have downloaded the extensions properly and able to run the virtual machine.
I figured out it as a problem with memory allocated to virtual box and after adjusting it problem of aborting is s... - TI 10:21 AM Software Development: RE: Virtual Box aborts
- Check that the correct version virtualbox guest additions are installed in the VM (the one that is included would most likely be for an older version) and that the virtualbox extension pack is installed in the VirtualBox app itself.
The... - (posted on behalf of a customer)
I have installed the “mityarm-335x_SDK.ovf” on to the Linux machine with the help of VM Virtual box software and started running the same.
While trying to compile the kernel located at “Home/projec...
04/02/2012
- AS 01:52 PM PCB Development: RE: 48V Power Supply Suggestion ...
- is a DC power supply? do you have space limitations? the options are multiple, if you can provide details I would be able to specify it for you
- (posted on behalf of a customer)
As per our product specification, we need to use 48 V input power supply, so we are planning to use 0ne 48V to 12 v POWER SUPPLY. CAN YOU SUGGEST ANY SUITABLE POWER SUPPLY FOR THE SAME .
03/30/2012
- AB 06:04 PM PCB Development: RE: Power supply requirements
- Tom,
Here are a couple power usage numbers I was able to gather with a 3.3V input voltage to a MityARM-3359 module:
Measured a low usage, Linux only no demo or other applications, power usage of 760mW.
Measured a high usage, Demo ...