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

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

09/23/2014

02:05 PM Software Development: RE: UPP problem

Problem was caused by cache incoherency. Use of BCACHE_inv() fixed it. stephan berner