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shuttler: Add descriptions on EFC to FMC clk cfg

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linuswck 2025-02-12 16:08:45 +08:00
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src/hw/shuttler.md
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@ -19,6 +19,11 @@ and then store the value into the flash memory/SD Card.
## Hardware Configurations and Connections
### EFC to FMC CLK Configurations
C217, C218, C213, C214 should be fitted to pass the EFC analog clock source to the Shutter FMC board. If they are incorrectly configured, the EFC board will panic at "DAC AD9117 retiming failure".
![efc_to_fmc_clk_cfg](../img/efc_to_fmc_clk_config.png)
### EEM Cable Connection
Only the EEM0 port on the EFC board is used. The EEM Cable provides power. You can ignore the barrel jack at

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src/img/efc_to_fmc_clk_config.png Normal file
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