Activity
From 07/04/2024 to 08/02/2024
07/29/2024
- JC 05:36 PM PCB Development: RE: X1 component SiLabs 590 BA100M000G depopped
- See "PCN20220621000":https://support.criticallink.com/redmine/attachments/download/31707/PCN20220621000.pdf linked from https://support.criticallink.com/redmine/projects/arm9-platforms/wiki/Module_Product_Change_Notifications
This osc... - Hello,
we are working on transferring our design from the Spartan 6 build to the A7 SOM and an engineer noticed noticed that the X1 oscillator is depopped on our A7 builds. Can you confirm what this oscillator does, and if it is for ...
07/24/2024
- FW 02:31 PM Software Development: RE: Serial port 2 issue, RS485, RTS drops to early
- I figure it's about 10% of the CPU when operating 1200 baud and 1 response per second; it gets much lower as you approach 9600 baud (1.3%). This also takes into account the modulo 16 fifo calc assuming random packet lengths. All in all, ...
07/22/2024
- JC 07:21 PM Software Development: RE: Serial port 2 issue, RS485, RTS drops to early
- > before shutting off the 485 driver
Any idea how often the shutting down occurs? - FW 07:19 PM Software Development: RE: Serial port 2 issue, RS485, RTS drops to early
- I patched the 8250.c file to increase the 10ms timeout. I found the timeout is really there only to assure the uart tx fifo drains completely before shutting off the 485 driver - as such, it will never be more than about 16 characters. I...
07/19/2024
- DL 06:14 PM PCB Development: RE: MityDSP-L138F Block Diagram Inconsistencies
- Dan,
That clears things up perfectly. Thank you for a quick and comprehensive response. - DV 06:10 PM PCB Development: RE: MityDSP-L138F Block Diagram Inconsistencies
- Hi Dylan,
The external input to the Boot Config Block is the EXT_BOOT# signal pin bin 12 of the SO-DIMM connector. The Boot Config Block on the SOM uses the value of EXT_BOOT# to set the boot strap resistors for the L138. The two opti... - All,
I am designing a carrier board for the MityDSP-L138F with A7 FPGA. I have noticed some inconsistencies with the block diagrams in the documentation (https://www.criticallink.com/wp-content/uploads/2014/01/MityDSP-L138F_Spec.pdf).
...