EMULATED DATA EEPROM WITH FLASH ON ST72F DEVICES

[bonollo]

Posted on December 06, 2004 at 08:55

EMULATED DATA EEPROM WITH FLASH ON ST72F DEVICES

[bonollo]

Posted on December 06, 2004 at 07:56God day at all !!, i have micro st72f 321 f HDFLASH family without eeprom onboard, i must save my data program, there'is the possible of use FLAH (AN 1502), i hope of programming flash on-chip st72f only with + 5 V !!! for read and write data..... there is other help in C ( Cosmic C), other's have write on flash?? , thanks,....... best regards....... Bonollo

[sjo]

Posted on December 06, 2004 at 08:38

To enable writing to HDFlash devices you will need a external 12v supply connected to Vpp, this is discussed in the appnotes you refer to.

Regards sjo

[bonollo]

Posted on December 06, 2004 at 08:55 oh my god!!!!! I HAVEN'T + 12V ON THE BOARD HOW CAN I USE A MEMORY LIKE EEPROM, THERE'IS A METOD TO PROGRAM OR USE FLASH ON BOARD???? ONLY WITH REGISTER +5Vcc...ECC.... THANK'S