diff --git a/module_usb_audio/powersave/archU_powerSaving.h b/module_usb_audio/powersave/archU_powerSaving.h
new file mode 100644
index 00000000..b1ea5b08
--- /dev/null
+++ b/module_usb_audio/powersave/archU_powerSaving.h
@@ -0,0 +1,9 @@
+#ifndef ARCH_U_POWER_SAVING_
+#define ARCH_U_POWER_SAVING_
+
+/* Sets the voltage down by VOLTAGE_REDUCTION_mV (voltage is set to 10 * X + 600 mV), 
+ * and adjusts other features to save power
+ */
+void archU_powerSaving();
+
+#endif /*ARCH_U_POWER_SAVING_*/
diff --git a/module_usb_audio/powersave/archU_powerSaving.xc b/module_usb_audio/powersave/archU_powerSaving.xc
new file mode 100644
index 00000000..068c1717
--- /dev/null
+++ b/module_usb_audio/powersave/archU_powerSaving.xc
@@ -0,0 +1,62 @@
+
+#ifdef XUD_ON_U_SERIES
+#include "archU_powerSaving.h"
+#include <xs1.h>
+#include <xs1_l_registers.h>
+#include <xs1_su_registers.h>
+#include <platform.h>
+
+#ifndef VOLTAGE_REDUCTION_mV
+#define VOLTAGE_REDUCTION_mV 20
+#endif
+
+unsigned get_tile_id(tileref t); // Required for use with 12.0 tools. get_tile_id() available in xs1.h with 13.0 tools.
+
+#define ARCH_U_VOLTAGE_FIRST_STEP 39 // First step down from 1V
+#define ARCH_U_SSWITCH_PRESCALER 8 // Sswitch down to 1/8 clk freq
+
+void archU_powerSaving()
+{
+    if (get_local_tile_id() == get_tile_id(tile[0]))
+    {
+        unsigned writeval[1];
+        unsigned char writevalc[1];
+
+        // Reduce the VDDCORE voltage level
+        for (unsigned count=0; count < (VOLTAGE_REDUCTION_mV/10); count++)
+        {
+            timer t;
+            int time;
+
+            writeval[0] = (ARCH_U_VOLTAGE_FIRST_STEP - count);
+            write_periph_32(usb_tile, XS1_SU_PER_PWR_CHANEND_NUM, XS1_SU_PER_PWR_VOUT1_LVL_NUM, 1, writeval);
+
+            t :> time;
+            time += (1 * PLATFORM_REFERENCE_MHZ); // Wait 1us per step
+            t when timerafter(time) :> void;
+        }
+        
+        // Set switch prescaler down
+        write_node_config_reg(tile[0], XS1_SSWITCH_CLK_DIVIDER_NUM, (ARCH_U_SSWITCH_PRESCALER - 1)); // PLL clk will be divided by value + 1
+        
+        // Both DC-DCs in PWM mode, I/O and PLL supply on, Analogue & core on
+        writeval[0] = XS1_SU_PWR_VOUT1_EN_SET(0, 1);
+        writeval[0] = XS1_SU_PWR_VOUT2_EN_SET(writeval[0], 1);
+        writeval[0] = XS1_SU_PWR_VOUT5_EN_SET(writeval[0], 1);
+        writeval[0] = XS1_SU_PWR_VOUT6_EN_SET(writeval[0], 1);
+        write_periph_32(usb_tile, XS1_SU_PER_PWR_CHANEND_NUM, XS1_SU_PER_PWR_STATE_AWAKE_NUM, 1, writeval);
+
+        // USB suspend off, voltage adjustable, sleep clock 32KHz
+        writeval[0] = XS1_SU_PWR_USB_PD_EN_SET(0, 1);
+        writeval[0] = XS1_SU_PWR_RST_VOUT_LVL_SET(writeval[0], 1);
+        writeval[0] = XS1_SU_PWR_LD_AWAKE_SET(writeval[0], 1);
+        write_periph_32(usb_tile, XS1_SU_PER_PWR_CHANEND_NUM, XS1_SU_PER_PWR_MISC_CTRL_NUM, 1, writeval);
+
+        // Turn off on-chip silicon oscillator (20MHz or 32KHz)
+        writevalc[0] = XS1_SU_ON_SI_OSC_EN_SET(0, 1);
+        writevalc[0] = XS1_SU_ON_SI_OSC_SLOW_SET(writevalc[0], 1);
+        write_periph_8(usb_tile, XS1_SU_PER_OSC_CHANEND_NUM, XS1_SU_PER_OSC_ON_SI_CTRL_NUM, 1, writevalc);
+    }   
+}
+#endif
+