readme.txt

Making a cheap 1M SPI Rom Emulator 8 second to copy from parallel to SPI re-Program STM Serial F

re-Program STM Serial Flash M25P10 by reading 29010 parallel ROM

Running on standard 8051 32 I/O, a TTL 7407 as bus switch.

Total programming time is about 8 seconds including Erase, Program

----------------------------------------------------------------------

     +-------+
     |       |  Data 8, Address 17, CS
     |       |        +----------+
     | 89C51 |====/===|  W27C010 |
     |       |   26   +----------+
     |       |    
     |       |
     |       |----+
     +-------+    |
         |        |
         /4       |
         |        |
     +-------+   +------+
     |Relay  |---|TTL   |
     |     x4|   |  7407|
     +-------+   +------+
         |
         /4
         |
     +-------+
     |M25P10 |
     |  SPI  |
     +-------+
----------------------------------------------------------------------
Pin Outs

PORT 0	  D00-D07
PORT 1	  A00-A07
PORT 2	  A08-A15
PORT 3	  Control Pins
  P3.0	   DATA
  P3.1	   CLK
  P3.2	   Q
  P3.3	   25P10 CS\
  P3.4	   LED
  P3.5	   7407 (Relay Switch)
  P3.6	   A16
  P3.7	   29010 CS\