New FMC settings for STM32.fmc_clk

1 files changed, 4 insertions, 4 deletions

diff --git a/stm-fmc.c b/stm-fmc.c
index 62b6433..b5e79e8 100644
--- a/stm-fmc.c
+++ b/stm-fmc.c
@@ -149,14 +149,14 @@ void fmc_init(void)
     // don't care in sync mode
     fmc_timing.DataSetupTime = 255;
 
-    // not needed, since nwait will be polled manually
+    // not needed
     fmc_timing.BusTurnAroundDuration = 0;
 
     // use 45 MHz to match what FMC arbiter in the FPGA expects
-    fmc_timing.CLKDivision = 4;
+    fmc_timing.CLKDivision = 4;	// 180/4
 
-    // use 4 to match what FMC arbiter in the FPGA expects
-    fmc_timing.DataLatency = 4;
+    // use 6 to match what FMC arbiter in the FPGA expects
+    fmc_timing.DataLatency = 6;
 
     // don't care in sync mode
     fmc_timing.AccessMode = FMC_ACCESS_MODE_A;