diff --git a/public/ecs_rfm_spu1/driver/src/hw_cpri.s.c b/public/ecs_rfm_spu1/driver/src/hw_cpri.s.c
index 37846ee..75d2f23 100644
--- a/public/ecs_rfm_spu1/driver/src/hw_cpri.s.c
+++ b/public/ecs_rfm_spu1/driver/src/hw_cpri.s.c
@@ -71,7 +71,11 @@ void cpri_init(uint32_t option)
     debug_write((DBG_DDR_IDX_DRV_BASE+2+(apeId<<2)), flag);
 #endif
 
+#ifdef CPRI_TIMING_LTE_FDD_TEST
+    cpri_mtimer_init(LTE_SCS_ID, 10); // slot:1000us, one tdd has 10 slots
+#else
     cpri_mtimer_init(NR_SCS_30K, 10); // slot:500us, one tdd has 10 slots
+#endif
     //start_cpri_timer();
 
     UCP_PRINT_EMPTY("cpri_timer init.\r\n");