M28F410 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M28F410' PDF : 38 Pages View PDF
M28F410, M28F420
Figure 14. Command Interface and Program Erase Controller Flow-diagram (a)
WAIT FOR
COMMAND
WRITE (1)
NO
90h
YES
BYTE
IDENTIFIER
NO
70h
YES
READ
STATUS
NO
50h
YES
CLEAR
STATUS
40h or NO
10h
YES
PROGRAM
SET-UP
READ
STATUS
PROGRAM
YES READY
(2)
NO
READ
B
STATUS
READ
ARRAY
NO
20h
YES
ERASE
SET-UP
NO
0FFh
YES
NO
OD0h
YES
A
ERASE
COMMAND
ERROR
AI01286C
Notes: 1. If no command is written, the Command Interface remains in its previous valid state. Upon power-up, on exit from power-down or
if VCC falls below VLKO, the Command Interface defaults to Read Array mode.
2. P/E.C. status (Ready or Busy) is read on Status Register bit 7.
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