s25fl256 and s25fl128 writing error
hi sir i can already read and write s25fl032 and s25fl064
but when i am work on s25fl256 and s25fl128
then i can only read, not write operation
only led blinking
not effect on flash data
please help me why i am can not write operation
CONNECTION is FLASH S25FL128 AND S25FL256
FLASH TYPE 24-Ball BGA, 4 x 6 Ball Footprint
flash black cat
hold and vcc connect VCC
SO SI
SI SO
CS CS
VSS GND
SCLK SCLK
http://www.spansion.com/Support/Datasheets/S25FL128S_256S_00.pdf
hi sir i can already read and write s25fl032 and s25fl064
but when i am work on s25fl256 and s25fl128
then i can only read, not write operation
only led blinking
not effect on flash data
please help me why i am can not write operation
CONNECTION is FLASH S25FL128 AND S25FL256
FLASH TYPE 24-Ball BGA, 4 x 6 Ball Footprint
flash black cat
hold and vcc connect VCC
SO SI
SI SO
CS CS
VSS GND
SCLK SCLK
http://www.spansion.com/Support/Datasheets/S25FL128S_256S_00.pdf