From a6982da97d4c3365d9b7ec1da5623a8605c9605e Mon Sep 17 00:00:00 2001 From: AngeloJacobo Date: Sun, 26 May 2024 20:53:00 +0800 Subject: [PATCH] match dic and rtt_nom settings --- rtl/ddr3_controller.v | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/rtl/ddr3_controller.v b/rtl/ddr3_controller.v index e3b398e..fd28578 100644 --- a/rtl/ddr3_controller.v +++ b/rtl/ddr3_controller.v @@ -337,8 +337,8 @@ module ddr3_controller #( // MR1 (JEDEC DDR3 doc pg. 27) localparam DLL_EN = 1'b0; //DLL Enable/Disable: Enabled(0) - localparam[1:0] DIC = 2'b00; //Output Driver Impedance Control - localparam[2:0] RTT_NOM = 3'b011; //RTT Nominal: 40ohms (RQZ/6) is the impedance of the PCB trace + localparam[1:0] DIC = 2'b01; //Output Driver Impedance Control (RZQ/7) + localparam[2:0] RTT_NOM = 3'b001; //RTT Nominal: RZQ/4 localparam[0:0] WL_EN = 1'b1; //Write Leveling Enable: Disabled localparam[1:0] AL = 2'b00; //Additive Latency: Disabled localparam[0:0] TDQS = 1'b0; //Termination Data Strobe: Disabled (provides additional termination resistance outputs.