diff options
Diffstat (limited to 'demos/KINETIS/RT-FREEDOM-K20D50M')
| -rw-r--r-- | demos/KINETIS/RT-FREEDOM-K20D50M/mcuconf.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/demos/KINETIS/RT-FREEDOM-K20D50M/mcuconf.h b/demos/KINETIS/RT-FREEDOM-K20D50M/mcuconf.h index b9870b60f..a39e553f4 100644 --- a/demos/KINETIS/RT-FREEDOM-K20D50M/mcuconf.h +++ b/demos/KINETIS/RT-FREEDOM-K20D50M/mcuconf.h @@ -22,10 +22,22 @@ /* Select the MCU clocking mode below by enabling the appropriate block. */
-/* FEI mode */
+/* Disable all clock intialization */
+#define KINETIS_NO_INIT FALSE
+
+/* PEE mode - external 8 MHz crystal with PLL for 48 MHz core/system clock. */
+#if 1
+#define KINETIS_MCG_MODE KINETIS_MCG_MODE_PEE
+#define KINETIS_XTAL_FREQUENCY 8000000UL
+#define KINETIS_SYSCLK_FREQUENCY 48000000UL
+#endif
+
+/* FEI mode - 48 MHz with internal 32.768 kHz crystal */
#if 0
#define KINETIS_MCG_MODE KINETIS_MCG_MODE_FEI
-#define KINETIS_SYSCLK_FREQUENCY 21000000UL
+#define KINETIS_MCG_FLL_DMX32 1 /* Fine-tune for 32.768 kHz */
+#define KINETIS_MCG_FLL_DRS 1 /* 1464x FLL factor */
+#define KINETIS_SYSCLK_FREQUENCY 47972352UL /* 32.768 kHz * 1464 (~48 MHz) */
#endif /* 0 */
/* FEE mode - 24 MHz with external 32.768 kHz crystal */
|