diff --git a/rtl/top_templates/neo430_top_avm.vhd b/rtl/top_templates/neo430_top_avm.vhd
index 5e643b9..566bc1e 100644
--- a/rtl/top_templates/neo430_top_avm.vhd
+++ b/rtl/top_templates/neo430_top_avm.vhd
@@ -231,7 +231,7 @@ begin
   spi_mosi_o     <= std_logic(spi_mosi_o_int);
   spi_cs_o       <= std_logic_vector(spi_cs_o_int);
   ext_ack_o      <= std_logic_vector(irq_ack_o_int);
-  timer_fg_o     <= std_logic(freq_gen_o_int);
+  freq_gen_o     <= std_logic(freq_gen_o_int);
 
 
   -- Wishbone-to-Avalon Bridge ------------------------------------------------
diff --git a/rtl/top_templates/neo430_top_axi4lite.vhd b/rtl/top_templates/neo430_top_axi4lite.vhd
index f96bccf..feef42e 100644
--- a/rtl/top_templates/neo430_top_axi4lite.vhd
+++ b/rtl/top_templates/neo430_top_axi4lite.vhd
@@ -236,7 +236,7 @@ begin
   spi_mosi_o     <= std_logic(spi_mosi_o_int);
   spi_cs_o       <= std_logic_vector(spi_cs_o_int);
   ext_ack_o      <= std_logic_vector(irq_ack_o_int);
-  timer_fg_o     <= std_logic(freq_gen_o_int);
+  freq_gen_o     <= std_logic(freq_gen_o_int);
 
 
   -- Wishbone-to-AXI4-Lite-compatible Bridge ----------------------------------
diff --git a/rtl/top_templates/neo430_top_std_logic.vhd b/rtl/top_templates/neo430_top_std_logic.vhd
index e01aa53..98866f9 100644
--- a/rtl/top_templates/neo430_top_std_logic.vhd
+++ b/rtl/top_templates/neo430_top_std_logic.vhd
@@ -218,7 +218,7 @@ begin
   wb_stb_o       <= std_logic(wb_stb_o_int);
   wb_cyc_o       <= std_logic(wb_cyc_o_int);
   ext_ack_o      <= std_logic_vector(irq_ack_o_int);
-  timer_fg_o     <= std_logic(freq_gen_o_int);
+  freq_gen_o     <= std_logic(freq_gen_o_int);
 
 
 end neo430_top_std_logic_rtl;
diff --git a/sw/example/timer_simple/main.c b/sw/example/timer_simple/main.c
index afd0906..8883ed0 100644
--- a/sw/example/timer_simple/main.c
+++ b/sw/example/timer_simple/main.c
@@ -86,26 +86,10 @@ int main(void) {
   // enable global IRQs
   neo430_eint();
 
-
-  // test frequency generator
-  neo430_timer_nco_enable();
-  uint32_t nco_target_frequency = 0, nco_real_frequency;
-
   while(1) {
-    neo430_uart_br_print("Target freq.: 0x");
-    neo430_uart_print_hex_dword(nco_target_frequency);
-
-    nco_real_frequency = neo430_timer_nco_set(nco_target_frequency);
-
-    neo430_uart_br_print(", Real freq.: 0x");
-    neo430_uart_print_hex_dword(nco_real_frequency);
-    neo430_uart_br_print("\n");
-
-    nco_target_frequency++; // go through all possible frequencies
-    neo430_cpu_delay_ms(250); // wait 250ms
+    neo430_sleep();
   }
 
-
   return 0;
 }