Mity CPU Platforms » MityDSP-L138 (ARM9 Based Platforms)

10/24/2014

10:41 AM PCB Development: RE: L138 SOM LEDs

Sorry,
On Non-FPGA modules:
D1 is connected to R16 (GP6_12) of the OMAP-L138.
D2 is connected to R17 (GP6_13... Michael Williamson

10:05 AM PCB Development: RE: L138 SOM LEDs

Hi Mike,
The SOM we are using is the non-FPGA version. What do D1 and D2 connect to?
Thanks,
Anton Anton Kitai

07:22 AM PCB Development: RE: L138 SOM LEDs

D1 is connected to the FPGA_DONE pin on the FPGA configuration block.
D2 is connected to P15 of the FPGA IO_L74P_A... Michael Williamson

10:03 AM PCB Development: RE: MityDSP-L138 Boot Problem

This issue has been resolved - we had left an uterminated SPI1_CLK signal trace on our base board at an unpopulated d... Anton Kitai

10/22/2014

03:13 PM PCB Development: L138 SOM LEDs

Please can you provide information for D1 and D2 LEDs on the L138-FX-225-RC module. What are they connected to?
Tha... Anton Kitai

02:05 PM PCB Development: MityDSP-L138 Boot Problem

We are using the L138-FX-225-RC on a new custom baseboard and are having trouble with boot:
- no UART activity in ... Anton Kitai

09/26/2014

02:27 AM Software Development: RE: GP0[4] state on boot for L138F

??How quickly do you need it to be low? You might put an external pull down on your board.??
Pretty much instantly... Mostafa Afgani

09/25/2014

07:46 PM Software Development: RE: GP0[4] state on boot for L138F

How quickly do you need it to be low? You might put an external pull down on your board.
You could disable the pu... Michael Williamson

05:11 PM Software Development: RE: GP0[4] state on boot for L138F

Hi Mike, thanks for the explanation. As we need this pin to be low on power-up, would the best place to set this be i... Mostafa Afgani

03:40 PM Software Development: RE: GP0[4] state on boot for L138F

Hi,
If you check the OMAP-L138 datasheet (it's a bit convolved) Table 2-29, the GP0[4] pin pullup state is defined... Michael Williamson

03:28 PM Software Development: GP0[4] state on boot for L138F

Hi, we noticed that the power on state of GPIO_0_4 is that it is driven high. I am a little confused about this since... Mostafa Afgani