Forums › Devices › OSD335x C-SiP › inverted eeprom and sd
Hy,
I would like to implement an EEPROM and SD Card on the OSD335x C-SiP.
The problem is about the boot order.
For my project the only boot order is this configuration:
SYSBOOT[15:0] = 0x401C ==> MMC1, MMC0, UART0, USB0.
We would like to boot on the uSD first. So we have to put the eMMC on MCC0 and the uSD on MCC1.
I red the “OSD335x Lesson 2: Adding Non-Volatile Storage” but in your example it’s inverted.
if I change the configuration I will not have enough pins to connect the eMMc.
Can i get some help on the subject?
Thank you,
Bastien Poyet
Bastien,
An eMMC is already integrated inside OSD335x C-SiP on the MMC1 interface. So, if you want to add an SD card, you can add it on MMC0 and have dual boot interfaces. You will have to implement a boot button to change boot order. Please take a look at the schematics for OSD335x C-SiP RED board here for an example implementation of eMMC and SD card with C-SiP: https://octavosystems.com/docs/osd3358-sm-red-c-sip-schematics-pdf/.
Best,
Neeraj
Thank you
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