Lowering SDIO clock to fix sd print issues

fex42 · Apr 22, 2020 · 205b830 · 205b830
1 parent 455a1ab
commit 205b830
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Marlin/src/HAL/STM32F1/sdio.h b/Marlin/src/HAL/STM32F1/sdio.h
@@ -100,7 +100,7 @@
 #define SDIO_DATA_TIMEOUT                    100U           /* Read data transfer timeout */
 #define SDIO_WRITE_TIMEOUT                   200U           /* Write data transfer timeout */
 
-#define SDIO_CLOCK                           18000000       /* 18 MHz */
+#define SDIO_CLOCK                           4500000       /* 4.5 MHz */
 
 // ------------------------
 // Types