28F016XD 데이터 시트보기 (PDF) - Intel

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28F016XD

16-MBIT (1 MBIT x 16) DRAM-INTERFACE FLASH MEMORY

Intel 

E

28F016XD FLASH MEMORY

4.5 Global Status Register

WSMS

OSS

DOS

R

R

R

R

R

7

6

5

4

GSR.7 = WRITE STATE MACHINE STATUS

1 = Ready

0 = Busy

GSR.6 = OPERATION SUSPEND STATUS

1 = Operation Suspended

0 = Operation in Progress/Completed

3

2

1

0

NOTES:

RY/BY# output or WSMS bit must be checked to

determine completion of an operation (block lock,

suspend, Upload Status Bits, erase or data

program) before the appropriate Status bit (OSS

or DOS) is checked for success.

GSR.5 = DEVICE OPERATION STATUS

1 = Operation Unsuccessful

0 = Operation Successful or Currently

Running

GSR.4–0 = RESERVED FOR FUTURE ENHANCEMENTS

These bits are reserved for future use; mask them out when polling the GSR.

17

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