General questions on the bring up of Rugged SOM, eMMC variant

botblox_admin
Tue, 13 Feb 2024 22:48:34 +0000
BotBlox Hardware

– Copied from customer email –

We recently received the BB-SOM-A-1 rugged som with emmc memory option instead of microSD. I have been going through the getting started page linked below and had some questions:

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1. Does the emmc come with bloxOS already installed or will I need to flash via Mfgtool? I cannot seem to get any serial output from the som as is.

2. If I flash the som via J6 are the pins in that connector as follows:

3. i know the 5V is 5V

4. does N correspond to Data -

5. does P correspond to Data+

6. does G correspond to GND?

7. I am using the following device for usb to uart for serial connections.
Pmod USBUART Reference Manual - Digilent Reference
Does that mean to flash the emmc memory (if it does not come pre-flashed) I need a device similar to this?
USB Micro-B Breakout Board : ID 1833 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits

8. Can you connect to the som via uart if the som is not connected to the switchblox rugged (BB-SWR-G-1-PC)?