i'm using the MCB167 NET Evaluation board which uses M29F040B flash-chip as external memmory. i've written the following device driver for program a word on the flash chip. the data has been written onto RAM instead of the flash.i feel the problem may be with the device driver. what i've to do if i want to write the data onto the flash chip. it will be very helpful if you address this problem. Flash_Write PROC NEAR EXTS R9, #01H MOV [R8], R10 RET Flash_Write ENDP Note: CS0# is checked. WRL# and WRH# are enabled. SALSEL CSCFG and etc. are configured. but still...
Hi I have read you flash programming problem. Do you know now how to program external flash memory? I need to write and read data from flash, Timing seems to be ok, cs works as it should...but I cannot write to flash! Do you have a running example program? Thanks Erwin