Flip back to 250Mhz pru's

FalconChristmas · Jan 29, 2025 · 74d51b1 · 74d51b1
1 parent 2f9ae9d
commit 74d51b1
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/pru/FalconPRUDefs.hp b/src/pru/FalconPRUDefs.hp
@@ -103,9 +103,10 @@
 // Address for the Constant table Programmable Pointer Register 1(CTPPR_1)
 #define CTPPR_1         0x2202C
 
-
-#define NSPERCLK  3
-#define NS2CLK(ns) ((ns) / 3)
+// For now, we run the AM62x PRU's at 250Mhz because DDR latency is too 
+// high when running at 333Mhz.   Issue is known at TI, no solution yet.
+#define NSPERCLK  4
+#define NS2CLK(ns) ((ns) / 4)
 
 #define SHM_SIZE (32 * 1024)