{R367TER_PLLMDIV,       0x01},/* for xc5000; was 0x0c */
        {R367TER_PLLNDIV,       0x06},/* for xc5000; was 0x55 */
        {R367TER_PLLSETUP,      0x18},
-       {R367TER_DUAL_AD12,     0x04},/* for xc5000; was 0x00 */
+       {R367TER_DUAL_AD12,     0x0C},/* for xc5000 AGC voltage 1.6V */
        {R367TER_TSTBIST,       0x00},
        {R367TER_PAD_COMP_CTRL, 0x00},
        {R367TER_PAD_COMP_WR,   0x00},
        {R367CAB_PLLMDIV,       0x01},
        {R367CAB_PLLNDIV,       0x08},
        {R367CAB_PLLSETUP,      0x18},
-       {R367CAB_DUAL_AD12,     0x04},
+       {R367CAB_DUAL_AD12,     0x0C}, /* for xc5000 AGC voltage 1.6V */
        {R367CAB_TSTBIST,       0x00},
        {R367CAB_CTRL_1,        0x00},
        {R367CAB_CTRL_2,        0x03},