diff --git a/avrdude.conf.in b/avrdude.conf.in
index a7c0d667..07692513 100644
--- a/avrdude.conf.in
+++ b/avrdude.conf.in
@@ -161,6 +161,8 @@
 #define ATMEGA323   0x90
 #define ATMEGA32    0x91
 
+#define ATMEGA64    0xA0
+
 #define ATMEGA103   0xB1
 #define ATMEGA128   0xB2
 
@@ -1274,6 +1276,130 @@ part
   ;
 
 
+#------------------------------------------------------------
+# ATmega64
+#------------------------------------------------------------
+
+part
+    id               = "m64";
+    desc             = "ATMEGA64";
+    stk500_devcode   = 0xA0;
+    chip_erase_delay = 9000;
+    pagel            = 0xD7;
+    bs2              = 0xA0;
+    reset            = dedicated;
+    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 0  0 0 0 0",
+                       "x x x x  x x x x    x x x x  x x x x";
+
+    memory "eeprom"
+        paged           = no; /* leave this "no" */
+        page_size       = 8;  /* for parallel programming */
+        size            = 2048;
+        min_write_delay = 9000;
+        max_write_delay = 9000;
+        readback_p1     = 0xff;
+        readback_p2     = 0xff;
+	read            = "  1   0   1   0      0   0   0   0",
+                          "  x   x   x   x    a11 a10  a9  a8",
+                          " a7  a6  a5  a4     a3  a2  a1  a0",
+                          "  o   o   o   o      o   o   o   o";
+
+	write           = "  1   1   0   0      0   0   0   0",
+                          "  x   x   x   x    a11 a10  a9  a8",
+                          " a7  a6  a5  a4     a3  a2  a1  a0", 
+                          "  i   i   i   i      i   i   i   i";
+      ;
+
+    memory "flash"
+        paged           = yes;
+        size            = 65536;
+        page_size       = 256;
+        num_pages       = 256;
+        min_write_delay = 4500;
+        max_write_delay = 9000;
+        readback_p1     = 0xff;
+        readback_p2     = 0x00;
+        read_lo         = "  0   0   1   0      0   0   0   0",
+                          "  x a14 a13 a12    a11 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",
+                          "  x a14 a13 a12    a11 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",
+                          "  x   x   x   x      x   x   x   x",
+                          "  x  a6  a5  a4     a3  a2  a1  a0",
+                          "  i   i   i   i      i   i   i   i";
+
+        loadpage_hi     = "  0   1   0   0      1   0   0   0",
+                          "  x   x   x   x      x   x   x   x",
+                          "  x  a6  a5  a4     a3  a2  a1  a0",
+                          "  i   i   i   i      i   i   i   i";
+
+        writepage       = "  0   1   0   0      1   1   0   0",
+                          "  x a14 a13 a12    a11 a10  a9  a8",
+                          " a7   x   x   x      x   x   x   x",
+                          "  x   x   x   x      x   x   x   x";
+      ;
+
+    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";
+      ;
+
+    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";
+      ;
+
+    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 i 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";
+      ;
+
+    memory "lock"
+        size            = 1;
+        read            = "0 1 0 1  1 0 0 0   0 0 0 0  0 0 0 0",
+                          "x x x x  x x x x   x x o o  o o o o";
+
+        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";
+      ;
+
+    memory "calibration"
+        size            = 1;
+        read            = "0 0 1 1  1 0 0 0  x x x x  x x x x",
+                          "0 0 0 0  0 0 0 0  o o o o  o o o o";
+      ;
+
+    memory "signature"
+        size            = 3;
+        read            = "0  0  1  1   0  0  0  0   x  x  x  x   x  x  x  x",
+                          "x  x  x  x   x  x a1 a0   o  o  o  o   o  o  o  o";
+      ;
+  ;
+
+
+
+
 #------------------------------------------------------------
 # ATmega128
 #------------------------------------------------------------