diff --git a/software/ch347hw.pas b/software/ch347hw.pas
index 76719b7..cb86adb 100644
--- a/software/ch347hw.pas
+++ b/software/ch347hw.pas
@@ -5,7 +5,7 @@
 interface
 
 uses
-  Classes, SysUtils, basehw, msgstr, ch347dll, ch341dll, utilfunc;
+  Classes, SysUtils, basehw, msgstr, ch347dll, ch341dll;
 
 type
 
@@ -117,7 +117,7 @@ function TCH347Hardware.SPIInit(speed: integer): boolean;
   with FDevSPIConfig do
   begin
     iMode:= 0;
-    iClock:= 0;
+    iClock:= speed;
     iByteOrder:= 1;
     iSpiWriteReadInterval:= 0;
     iSpiOutDefaultData:= 0;
@@ -267,7 +267,8 @@ function TCH347Hardware.I2CWriteByte(data: byte): boolean;
 function TCH347Hardware.MWInit(speed: integer): boolean;
 begin
     if not FDevOpened then Exit(false);
-
+    main.LogPrint('MICROWIRE not supported');
+    Exit(false);
 end;
 
 procedure TCH347Hardware.MWDeInit;
diff --git a/software/main.lfm b/software/main.lfm
index 397433a..cac4df0 100644
--- a/software/main.lfm
+++ b/software/main.lfm
@@ -699,9 +699,8 @@ object MainForm: TMainForm
     Width = 853
     Align = alBottom
     Lines.Strings = (
-      'AsProgrammer v2.0.2'
+      'AsProgrammer v2.1.0'
       'https://github.com/nofeletru/UsbAsp-flash'
-      'asprogrammer@inbox.ru'
     )
     ParentFont = False
     PopupMenu = LogPopupMenu
@@ -749,6 +748,57 @@ object MainForm: TMainForm
       end
       object MenuSPI: TMenuItem
         Caption = 'SPI'
+        object MenuCH347SPIClock: TMenuItem
+          Caption = 'Частота'
+          object MenuCH347SPIClock60MHz: TMenuItem
+            AutoCheck = True
+            Caption = '60 MHz'
+            Checked = True
+            RadioItem = True
+          end
+          object MenuCH347SPIClock30MHz: TMenuItem
+            Tag = 1
+            AutoCheck = True
+            Caption = '30 MHz'
+            RadioItem = True
+          end
+          object MenuCH347SPIClock15MHz: TMenuItem
+            Tag = 2
+            AutoCheck = True
+            Caption = '15 MHz'
+            RadioItem = True
+          end
+          object MenuCH347SPIClock7_5MHz: TMenuItem
+            Tag = 3
+            AutoCheck = True
+            Caption = '7.5 MHz'
+            RadioItem = True
+          end
+          object MenuCH347SPIClock3_75MHz: TMenuItem
+            Tag = 4
+            AutoCheck = True
+            Caption = '3.75 MHz'
+            RadioItem = True
+          end
+          object MenuCH347SPIClock1_875MHz: TMenuItem
+            Tag = 5
+            AutoCheck = True
+            Caption = '1.875 MHz'
+            RadioItem = True
+          end
+          object MenuCH347SPIClock937_5KHz: TMenuItem
+            Tag = 6
+            AutoCheck = True
+            Caption = '937.5 KHz'
+            RadioItem = True
+          end
+          object MenuCH347SPIClock468_75KHz: TMenuItem
+            Tag = 7
+            AutoCheck = True
+            Caption = '468.75 KHz'
+            RadioItem = True
+          end
+        end
         object MenuArduinoSPIClock: TMenuItem
           Caption = 'Частота'
           object MenuArduinoISP8MHz: TMenuItem
diff --git a/software/main.pas b/software/main.pas
index d106f9e..4ec7478 100644
--- a/software/main.pas
+++ b/software/main.pas
@@ -42,6 +42,15 @@   TMainForm = class(TForm)
     MenuFT232SPI30Mhz: TMenuItem;
     MenuFT232SPI6Mhz: TMenuItem;
     MenuHWCH347: TMenuItem;
+    MenuCH347SPIClock: TMenuItem;
+    MenuCH347SPIClock468_75KHz: TMenuItem;
+    MenuCH347SPIClock60MHz: TMenuItem;
+    MenuCH347SPIClock30MHz: TMenuItem;
+    MenuCH347SPIClock15MHz: TMenuItem;
+    MenuCH347SPIClock7_5MHz: TMenuItem;
+    MenuCH347SPIClock3_75MHz: TMenuItem;
+    MenuCH347SPIClock1_875MHz: TMenuItem;
+    MenuCH347SPIClock937_5KHz: TMenuItem;
     MenuSendAB: TMenuItem;
     StartAddressEdit: TEdit;
     GroupChipSettings: TGroupBox;
@@ -514,6 +523,18 @@ function SetSPISpeed(OverrideSpeed: byte): integer;
     if MainForm.MenuFT232SPI6Mhz.Checked then Speed := MainForm.MenuFT232SPI6Mhz.Tag;
   end;
 
+  if (MainForm.RadioSPI.Checked) and (AsProgrammer.Current_HW = CHW_CH347) then
+  begin
+    if MainForm.MenuCH347SPIClock60MHz.Checked then Speed := MainForm.MenuCH347SPIClock60MHz.Tag;
+    if MainForm.MenuCH347SPIClock30MHz.Checked then Speed := MainForm.MenuCH347SPIClock30MHz.Tag;
+    if MainForm.MenuCH347SPIClock15MHz.Checked then Speed := MainForm.MenuCH347SPIClock15MHz.Tag;
+    if MainForm.MenuCH347SPIClock7_5MHz.Checked then Speed := MainForm.MenuCH347SPIClock7_5MHz.Tag;
+    if MainForm.MenuCH347SPIClock3_75MHz.Checked then Speed := MainForm.MenuCH347SPIClock3_75MHz.Tag;
+    if MainForm.MenuCH347SPIClock1_875MHz.Checked then Speed := MainForm.MenuCH347SPIClock1_875MHz.Tag;
+    if MainForm.MenuCH347SPIClock937_5KHz.Checked then Speed := MainForm.MenuCH347SPIClock937_5KHz.Tag;
+    if MainForm.MenuCH347SPIClock468_75KHz.Checked then Speed := MainForm.MenuCH347SPIClock468_75KHz.Tag;
+  end;
+
   if OverrideSpeed <> 0 then Speed := OverrideSpeed;
 
   result := speed;
@@ -1730,6 +1751,7 @@ procedure SelectHW(programmer: THardwareList);
   if programmer = CHW_USBASP then
   begin
     MainForm.MenuSPIClock.Visible:= true;
+    MainForm.MenuCH347SPIClock.Visible:= false;
     MainForm.MenuAVRISPSPIClock.Visible:= false;
     MainForm.MenuArduinoSPIClock.Visible:= false;
     MainForm.MenuFT232SPIClock.Visible:= false;
@@ -1740,6 +1762,7 @@ procedure SelectHW(programmer: THardwareList);
   if programmer = CHW_CH341 then
   begin
     MainForm.MenuSPIClock.Visible:= false;
+    MainForm.MenuCH347SPIClock.Visible:= false;
     MainForm.MenuAVRISPSPIClock.Visible:= false;
     MainForm.MenuArduinoSPIClock.Visible:= false;
     MainForm.MenuFT232SPIClock.Visible:= false;
@@ -1749,6 +1772,7 @@ procedure SelectHW(programmer: THardwareList);
 
   if programmer = CHW_CH347 then
   begin
+    MainForm.MenuCH347SPIClock.Visible:= true;
     MainForm.MenuSPIClock.Visible:= false;
     MainForm.MenuAVRISPSPIClock.Visible:= false;
     MainForm.MenuArduinoSPIClock.Visible:= false;
@@ -1760,6 +1784,7 @@ procedure SelectHW(programmer: THardwareList);
   if programmer = CHW_AVRISP then
   begin
     MainForm.MenuSPIClock.Visible:= false;
+    MainForm.MenuCH347SPIClock.Visible:= false;
     MainForm.MenuAVRISPSPIClock.Visible:= true;
     MainForm.MenuArduinoSPIClock.Visible:= false;
     MainForm.MenuFT232SPIClock.Visible:= false;
@@ -1770,6 +1795,7 @@ procedure SelectHW(programmer: THardwareList);
   if programmer = CHW_ARDUINO then
   begin
     MainForm.MenuSPIClock.Visible:= false;
+    MainForm.MenuCH347SPIClock.Visible:= false;
     MainForm.MenuAVRISPSPIClock.Visible:= false;
     MainForm.MenuArduinoSPIClock.Visible:= true;
     MainForm.MenuFT232SPIClock.Visible:= false;
@@ -1780,6 +1806,7 @@ procedure SelectHW(programmer: THardwareList);
   if programmer = CHW_FT232H then
   begin
     MainForm.MenuFT232SPIClock.Visible:= true;
+    MainForm.MenuCH347SPIClock.Visible:= false;
     MainForm.MenuSPIClock.Visible:= false;
     MainForm.MenuAVRISPSPIClock.Visible:= false;
     MainForm.MenuArduinoSPIClock.Visible:= false;
@@ -2908,7 +2935,7 @@ procedure TMainForm.ButtonReadClick(Sender: TObject);
       Exit;
     end;
 
-    AsProgrammer.Programmer.MWInit(SetSPISpeed(0));
+    if not AsProgrammer.Programmer.MWInit(SetSPISpeed(0)) then Exit;
     TimeCounter := Time();
     ReadFlashMW(RomF, StrToInt(ComboMWBitLen.Text), 0, StrToInt(ComboChipSize.Text));