--- /etc/avrdude.conf	2010-03-23 16:03:03.000000000 +0100
+++ avrdude.conf	2011-08-29 09:08:40.809630672 +0200
@@ -10006,6 +10006,186 @@
   ;
 
 #------------------------------------------------------------
+# ATtiny43U
+#------------------------------------------------------------
+
+part
+	id            = "t43u";
+    desc          = "ATtiny43u";
+    has_debugwire = yes;
+    flash_instr   = 0xB4, 0x07, 0x17;
+    eeprom_instr  = 0xBB, 0xFF, 0xBB, 0xEE, 0xBB, 0xCC, 0xB2, 0x0D,
+     			 0xBC, 0x07, 0xB4, 0x07, 0xBA, 0x0D, 0xBB, 0xBC, 
+     			 0x99, 0xE1, 0xBB, 0xAC;
+    stk500_devcode   = 0x14;
+##  avr910_devcode   = ?;
+##  Try the AT90S2313 devcode:
+    avr910_devcode   = 0x20;
+    signature        = 0x1e 0x92 0x0C;
+    reset            = io;
+    chip_erase_delay = 1000;
+
+    pgm_enable       = "1 0 1 0  1 1 0 0    0 1 0 1  0 0 1 1",
+                        "x x x x  x x x x    x x x x  x x x x";
+
+    chip_erase       = "1 0 1 0  1 1 0 0    1 0 0 x  x x x x",
+                        "x x x x  x x x x    x x x x  x x x x";
+
+    timeout			= 200;
+    stabdelay		= 100;
+    cmdexedelay		= 25;
+    synchloops		= 32;
+    bytedelay		= 0;
+    pollindex		= 3;
+    pollvalue		= 0x53;
+    predelay		= 1;
+    postdelay		= 1;
+    pollmethod		= 1;
+	pp_controlstack = 0x0E, 0x1E, 0x0E, 0x1E, 0x2E, 0x3E, 0x2E, 0x3E, 0x4E, 0x5E,
+					 0x4E, 0x5E, 0x6E, 0x7E, 0x6E, 0x7E, 0x06, 0x16, 0x46, 0x56,
+					 0x0A, 0x1A, 0x4A, 0x5A, 0x1E, 0x7C, 0x00, 0x01, 0x00, 0x00,
+					 0x00, 0x00;
+    hventerstabdelay    = 100;
+    progmodedelay       = 0;
+    hvspcmdexedelay     = 0;
+    latchcycles         = 5;
+    togglevtg           = 1;
+    poweroffdelay       = 20;
+    resetdelayms        = 1;
+    resetdelayus        = 0;
+    hvleavestabdelay    = 15;
+    resetdelay          = 15;
+    chiperasepulsewidth = 0;
+    chiperasepolltimeout = 10;
+    programfusepulsewidth = 0;    
+    programfusepolltimeout = 5;
+    programlockpulsewidth = 0;
+    programlockpolltimeout = 5;
+    memory "eeprom"
+		size            = 64;
+		paged 			= yes;
+		page_size       = 4;
+		num_pages 		= 16;
+		min_write_delay = 4000;
+		max_write_delay = 4500;
+		readback_p1     = 0xff;
+		readback_p2     = 0xff;
+		read            = "1  0  1  0   0  0  0  0    0 0 0 x  x x x x",
+		                   "0  0 a4  a3 a2 a1 a0   o o o o  o o o o";
+		
+		write           = "1  1  0  0   0  0  0  0    0 0 0 x  x x x x",
+		                   "0  0 a5 a4  a3 a2 a1 a0   i i i i  i i i i";
+
+		loadpage_lo	= "  1   1   0   0      0   0   0   1",
+				  "  0   0   0   0      0   0   0   0",
+				  "  0   0   0   0      0   0  a1  a0",
+				  "  i   i   i   i      i   i   i   i";
+	
+		writepage	= "  1   1   0   0      0   0   1   0",
+				  "  0   0   x   x      x   x   x   x",
+				  "  0   0  a5  a4     a3  a2   0   0",
+				  "  x   x   x   x      x   x   x   x";
+	
+		mode		= 0x41;
+		delay		= 5;
+		blocksize	= 4;
+		readsize	= 256;
+	;
+    memory "flash"
+    	paged           = yes;
+        size            = 4096;
+        page_size       = 64;
+        num_pages       = 64;
+        min_write_delay = 4500;
+        max_write_delay = 4500;
+        readback_p1     = 0xff;
+        readback_p2     = 0xff;
+
+        read_lo         = "  0   0   1   0    0   0   0   0",
+                          "  0   0   0   0    0  a10 a9  a8",
+                          " a7  a6  a5  a4   a3  a2  a1  a0",
+                          "  o   o   o   o    o   o   o   o";
+
+        read_hi         = "  0   0   1   0    1   0   0   0",
+                          "  0   0   0   0    0  a10 a9  a8",
+                          " a7  a6  a5  a4   a3  a2  a1  a0",
+                          "  o   o   o   o    o   o   o   o";
+
+        loadpage_lo     = "  0   1   0   0    0   0   0   0",
+                          "  0   0   0   x    x   x   x   x",
+                          "  x   x   x  a4   a3  a2  a1  a0",
+                          "  i   i   i   i    i   i   i   i";
+
+        loadpage_hi     = "  0   1   0   0    1   0   0   0",
+                          "  0   0   0   x    x   x   x   x",
+                          "  x   x   x  a4   a3  a2  a1  a0",
+                          "  i   i   i   i    i   i   i   i";
+
+        writepage       = "  0  1  0  0   1  1  0  0",
+                          "  0  0  0  0   0 a10 a9 a8",
+                          " a7 a6 a5  x   x  x  x  x",
+                          "  x  x  x  x   x  x  x  x";
+
+		mode		= 0x41;
+		delay		= 10;
+		blocksize	= 64;
+		readsize	= 256;
+       ;
+#   ATtiny44u has Signature Bytes: 0x1E 0x92 0x0c.
+    memory "signature"
+    	size            = 3;
+        read            = "0  0  1  1   0  0  0  0   0  0  0  x   x  x  x  x",
+                          "x  x  x  x   x  x a1 a0   o  o  o  o   o  o  o  o";
+    ;
+    memory "lock"
+        size            = 1;
+        write           = "1 0 1 0  1 1 0 0  1 1 1 x  x x x x",
+                          "x x x x  x x x x  1 1 i i  i i i i";
+        min_write_delay = 4500;
+        max_write_delay = 4500;
+    ;
+
+    memory "lfuse"
+    	size            = 1;
+        write           = "1 0 1 0  1 1 0 0  1 0 1 0  0 0 0 0",
+                          "x x x x  x x x x  i i i i  i i i i";
+
+        read            = "0 1 0 1  0 0 0 0  0 0 0 0  0 0 0 0",
+                          "x x x x  x x x x  o o o o  o o o o";
+        min_write_delay = 4500;
+        max_write_delay = 4500;
+	;
+
+    memory "hfuse"
+        size            = 1;
+        write           = "1 0 1 0  1 1 0 0  1 0 1 0  1 0 0 0",
+                          "x x x x  x x x x  i i i i  i i i i";
+
+        read            = "0 1 0 1  1 0 0 0  0 0 0 0  1 0 0 0",
+                          "x x x x  x x x x  o o o o  o o o o";
+    	min_write_delay = 4500;
+        max_write_delay = 4500;
+	;
+
+    memory "efuse"
+        size            = 1;
+        write           = "1 0 1 0  1 1 0 0  1 0 1 0  0 1 0 0",
+                          "x x x x  x x x x  x x x x  x x x i";
+
+        read            = "0 1 0 1  0 0 0 0  0 0 0 0  1 0 0 0",
+                          "x x x x  x x x x  o o o o  o o o o";
+        min_write_delay = 4500;
+        max_write_delay = 4500;
+    ;
+
+    memory "calibration"
+        size            = 2;
+        read            = "0  0  1  1   1  0  0  0    0 0 0 x  x x x x",
+                          "0  0  0  0   0  0  0  a0   o o o o  o o o o";
+    ;
+;
+
+#------------------------------------------------------------
 # ATtiny85
 #------------------------------------------------------------
 
