diff --git a/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32600/dac_regs.h b/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32600/dac_regs.h
index 2f0f4bd8c5..467d83436e 100644
--- a/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32600/dac_regs.h
+++ b/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32600/dac_regs.h
@@ -103,7 +103,7 @@ typedef struct {
         __IO uint8_t output_8;                  /*  0x0000   Write to push values to DAC output FIFO            */
         __IO uint16_t output_16;                /*  0x0000   Write to push values to DAC output FIFO            */
     };
-} mxc_dac_fifo_t;
+} mxc_dac_fifo_regs_t;
 
 /*
    Register offsets for module DAC12.
diff --git a/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32610/dac_regs.h b/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32610/dac_regs.h
index 2f0f4bd8c5..467d83436e 100644
--- a/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32610/dac_regs.h
+++ b/hal/targets/cmsis/TARGET_Maxim/TARGET_MAX32610/dac_regs.h
@@ -103,7 +103,7 @@ typedef struct {
         __IO uint8_t output_8;                  /*  0x0000   Write to push values to DAC output FIFO            */
         __IO uint16_t output_16;                /*  0x0000   Write to push values to DAC output FIFO            */
     };
-} mxc_dac_fifo_t;
+} mxc_dac_fifo_regs_t;
 
 /*
    Register offsets for module DAC12.
diff --git a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/analogout_api.c b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/analogout_api.c
index c17b06e8b5..daae6af2b2 100644
--- a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/analogout_api.c
+++ b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/analogout_api.c
@@ -47,7 +47,7 @@ void analogout_init(dac_t *obj, PinName pin)
 
     // Set the object pointer
     obj->dac = ((mxc_dac_regs_t*)MXC_DAC_GET_DAC((pin & 0x3)));
-    obj->dac_fifo = ((mxc_dac_fifo_t*)MXC_DAC_GET_FIFO((pin & 0x3)));
+    obj->dac_fifo = ((mxc_dac_fifo_regs_t*)MXC_DAC_GET_FIFO((pin & 0x3)));
     obj->index = (pin & 0x3);
 
     // Set the ADC clock to the system clock frequency
@@ -142,7 +142,7 @@ void analogout_init(dac_t *obj, PinName pin)
         (MXC_E_AFE_REF_VOLT_SEL_1500 << MXC_F_AFE_CTRL1_REF_ADC_VOLT_SEL_POS)));
 
     // Disable interpolation
-    obj->dac->ctrl0 &= MXC_F_DAC_CTRL0_INTERP_MODE;
+    obj->dac->ctrl0 &= ~MXC_F_DAC_CTRL0_INTERP_MODE;
 }
 
 //******************************************************************************
diff --git a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/objects.h b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/objects.h
index 442ab5e248..0275092c72 100644
--- a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/objects.h
+++ b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32600/objects.h
@@ -101,7 +101,7 @@ struct dac_s {
     int index;
     uint16_t out;
     mxc_dac_regs_t *dac;
-    mxc_dac_fifo_t * dac_fifo;
+    mxc_dac_fifo_regs_t * dac_fifo;
 };
 
 typedef struct {
diff --git a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/analogout_api.c b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/analogout_api.c
index c17b06e8b5..daae6af2b2 100644
--- a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/analogout_api.c
+++ b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/analogout_api.c
@@ -47,7 +47,7 @@ void analogout_init(dac_t *obj, PinName pin)
 
     // Set the object pointer
     obj->dac = ((mxc_dac_regs_t*)MXC_DAC_GET_DAC((pin & 0x3)));
-    obj->dac_fifo = ((mxc_dac_fifo_t*)MXC_DAC_GET_FIFO((pin & 0x3)));
+    obj->dac_fifo = ((mxc_dac_fifo_regs_t*)MXC_DAC_GET_FIFO((pin & 0x3)));
     obj->index = (pin & 0x3);
 
     // Set the ADC clock to the system clock frequency
@@ -142,7 +142,7 @@ void analogout_init(dac_t *obj, PinName pin)
         (MXC_E_AFE_REF_VOLT_SEL_1500 << MXC_F_AFE_CTRL1_REF_ADC_VOLT_SEL_POS)));
 
     // Disable interpolation
-    obj->dac->ctrl0 &= MXC_F_DAC_CTRL0_INTERP_MODE;
+    obj->dac->ctrl0 &= ~MXC_F_DAC_CTRL0_INTERP_MODE;
 }
 
 //******************************************************************************
diff --git a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/objects.h b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/objects.h
index 442ab5e248..0275092c72 100644
--- a/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/objects.h
+++ b/hal/targets/hal/TARGET_Maxim/TARGET_MAX32610/objects.h
@@ -101,7 +101,7 @@ struct dac_s {
     int index;
     uint16_t out;
     mxc_dac_regs_t *dac;
-    mxc_dac_fifo_t * dac_fifo;
+    mxc_dac_fifo_regs_t * dac_fifo;
 };
 
 typedef struct {