diff --git a/designs/full_new_reflectometer/tests/reflectometer_and_dma/reg_map.py b/designs/full_new_reflectometer/tests/reflectometer_and_dma/reg_map.py
index c9797d4..349a119 100644
--- a/designs/full_new_reflectometer/tests/reflectometer_and_dma/reg_map.py
+++ b/designs/full_new_reflectometer/tests/reflectometer_and_dma/reg_map.py
@@ -39,4 +39,16 @@ STATUS_STATUS_WRITE_BUSY    = 1 << 5
 STATUS_DESC_READ_HS         = 1 << 6
 STATUS_DESC_WRITE_HS        = 1 << 7
 STATUS_STATUS_READ_HS       = 1 << 8
-STATUS_STATUS_WRITE_HS      = 1 << 9
\ No newline at end of file
+STATUS_STATUS_WRITE_HS      = 1 << 9
+
+# PARAMETERS for accumulator reference model
+
+DAC_DATA_WIDTH = 14
+ADC_DATA_WIDTH = 12
+PACK_FACTOR = 1
+PROCESS_MODE = 0
+ZERO_LEVEL = 8192
+ACCUM_WIDTH = 32
+N_MAX = 4096
+PACKET_SIZE = 1024
+RD_FIFO_WIDTH = 32
\ No newline at end of file