diff --git a/src/tang_primer_25k/gowin_pll_27.ipc b/src/tang_primer_25k/gowin_pll_27.ipc
new file mode 100644
index 0000000..a6cb807
--- /dev/null
+++ b/src/tang_primer_25k/gowin_pll_27.ipc
@@ -0,0 +1,145 @@
+[General]
+ipc_version=4
+file=gowin_pll_27
+module=gowin_pll_27
+target_device=gw5a25a-002
+type=clock_plladv
+version=1.0
+
+[Config]
+AdvancedMode=false
+ClkfbDivideFactorStatic=true
+ClkfbDivideFactorStaticValue=1
+ClkfbInternal=true
+ClkfboutExpectedFrequency=400
+ClkfboutTolerance=0.0
+ClkfboutVCODivideFactorStatic=true
+ClkfboutVCODivideFactorStaticValue=27
+ClkfboutVCOFractionalDivideFactorStaticValue=0
+ClkinClockFrequency=50
+ClkinDividerFactorStatic=true
+ClkinDividerFactorStaticValue=1
+ClkinDividerReset=false
+Clkou1BPhaseStatic=true
+Clkou2BPhaseStatic=true
+Clkou3BPhaseStatic=true
+Clkout0Bypass=false
+Clkout0DutyCycleDynamic=false
+Clkout0DutyCycleDynamicValue=0
+Clkout0DutyCycleStatic=true
+Clkout0DutyTrimStatic=true
+Clkout0DutyTrimStaticFalling=false
+Clkout0DutyTrimStaticRising=true
+Clkout0DutyTrimStaticStep=0
+Clkout0ExpectedFrequency=27
+Clkout0PhaseDynamic=false
+Clkout0PhaseStatic=true
+Clkout0PhaseStaticValue=0
+Clkout0Tolerance=0.0
+Clkout0VCODivideFactorStatic=true
+Clkout0VCODivideFactorStaticValue=50
+Clkout0VCOFractionalDivideFactorStaticValue=0
+Clkout1Bypass=false
+Clkout1DutyCycleDynamic=false
+Clkout1DutyCycleDynamicValue=0
+Clkout1DutyCycleStatic=true
+Clkout1DutyTrimStatic=true
+Clkout1DutyTrimStaticFalling=false
+Clkout1DutyTrimStaticRising=true
+Clkout1DutyTrimStaticStep=0
+Clkout1ExpectedFrequency=27
+Clkout1PhaseDynamic=false
+Clkout1PhaseStaticValue=180
+Clkout1Tolerance=0.0
+Clkout1VCODivideFactorStatic=true
+Clkout1VCODivideFactorStaticValue=50
+Clkout2Bypass=false
+Clkout2DutyCycleDynamic=false
+Clkout2DutyCycleDynamicValue=0
+Clkout2DutyCycleStatic=true
+Clkout2DutyTrimStatic=true
+Clkout2DutyTrimStaticFalling=false
+Clkout2DutyTrimStaticRising=true
+Clkout2DutyTrimStaticStep=0
+Clkout2ExpectedFrequency=400
+Clkout2PhaseDynamic=false
+Clkout2PhaseStaticValue=0
+Clkout2Tolerance=0.0
+Clkout2VCODivideFactorStatic=true
+Clkout2VCODivideFactorStaticValue=8
+Clkout3Bypass=false
+Clkout3DutyCycleDynamic=false
+Clkout3DutyCycleDynamicValue=0
+Clkout3DutyCycleStatic=true
+Clkout3DutyTrimStatic=true
+Clkout3DutyTrimStaticFalling=false
+Clkout3DutyTrimStaticRising=true
+Clkout3DutyTrimStaticStep=0
+Clkout3ExpectedFrequency=400
+Clkout3PhaseDynamic=false
+Clkout3PhaseStaticValue=0
+Clkout3Tolerance=0.0
+Clkout3VCODivideFactorStatic=true
+Clkout3VCODivideFactorStaticValue=8
+Clkout4Bypass=false
+Clkout4DutyCycleDynamic=false
+Clkout4DutyCycleDynamicValue=0
+Clkout4DutyCycleStatic=true
+Clkout4ExpectedFrequency=400
+Clkout4PhaseDynamic=false
+Clkout4PhaseStatic=true
+Clkout4PhaseStaticValue=0
+Clkout4Tolerance=0.0
+Clkout4VCODivideFactorStatic=true
+Clkout4VCODivideFactorStaticValue=8
+Clkout5Bypass=false
+Clkout5DutyCycleDynamic=false
+Clkout5DutyCycleDynamicValue=0
+Clkout5DutyCycleStatic=true
+Clkout5ExpectedFrequency=400
+Clkout5PhaseDynamic=false
+Clkout5PhaseStatic=true
+Clkout5PhaseStaticValue=0
+Clkout5Tolerance=0.0
+Clkout5VCODivideFactorStatic=true
+Clkout5VCODivideFactorStaticValue=8
+Clkout6Bypass=false
+Clkout6DutyCycleDynamic=false
+Clkout6DutyCycleDynamicValue=0
+Clkout6DutyCycleStatic=true
+Clkout6ExpectedFrequency=400
+Clkout6PhaseDynamic=false
+Clkout6PhaseStatic=true
+Clkout6PhaseStaticValue=0
+Clkout6Tolerance=0.0
+Clkout6VCODivideFactorStatic=true
+Clkout6VCODivideFactorStaticValue=8
+ClkoutDividerReset=false
+EnableCascade=false
+EnableClkfbout=false
+EnableClkout0Divider=false
+EnableClkout1=true
+EnableClkout1Divider=false
+EnableClkout2=false
+EnableClkout2Divider=false
+EnableClkout3=false
+EnableClkout3Divider=false
+EnableClkout4=false
+EnableClkout4Divider=false
+EnableClkout5=false
+EnableClkout5Divider=false
+EnableClkout6=false
+EnableClkout6Divider=false
+EnableLock=false
+EnableSsc=false
+GeneralMode=true
+ICPSELStatic=true
+ICPSELStaticValue=X
+LANG=0
+LPFCAPStaticValue=C0
+LPFRESStaticValue=X
+LPFSELStatic=true
+PLLPowerDown=false
+PLLReset=false
+clkfbExternal=false
+clkfbExternalValue=
diff --git a/src/tang_primer_25k/gowin_pll_27.mod b/src/tang_primer_25k/gowin_pll_27.mod
new file mode 100644
index 0000000..4eaa821
--- /dev/null
+++ b/src/tang_primer_25k/gowin_pll_27.mod
@@ -0,0 +1,51 @@
+-series GW5A
+-device GW5A-25
+-device_version A
+-package MBGA121N
+-part_number GW5A-LV25MG121NC1/I0
+
+
+-mod_name gowin_pll_27
+-file_name gowin_pll_27
+-path D:/Gowin/dev/nestang/src/tang_primer_25k/
+-type PLL_ADV
+-file_type vlg
+-ssc false
+-rst false
+-rst_pwd false
+-rst_i false
+-rst_o false
+-fclkin 50
+-idiv_sel 1
+-clkfb_sel 0
+-fbdiv_sel 1
+-en_lock false
+-dyn_dpa_en false
+-clkout0_bypass false
+-odiv0_sel 50
+-odiv0_frac_sel 0
+-clkout0_dt_dir 1
+-clkout0_dt_step 0
+-dyn_pe0_sel false
+-clkout0_pe_coarse 0
+-clkout0_pe_fine 0
+-de0_en false
+-clkout0_dt_dir 1
+-clkout0_dt_step 0
+-en_clkout1 true
+-clkout1_bypass false
+-odiv1_sel 50
+-clkout1_dt_dir 1
+-clkout1_dt_step 0
+-dyn_pe1_sel false
+-clkout1_pe_coarse 25
+-clkout1_pe_fine 0
+-de1_en false
+-en_clkout2 false
+-en_clkout3 false
+-en_clkout4 false
+-en_clkout5 false
+-en_clkout6 false
+-en_clkfbout false
+-mdiv_sel 27
+-mdiv_frac_sel 0
\ No newline at end of file