m28f410 STMicroelectronics, m28f410 Datasheet - Page 33

• Manufacturer Part Number: m28f410
• Description: 4 Megabit X8 Or X16, Block Erase Flash Memory
• Manufacturer: STMicroelectronics

Figure 14. Command Interface and Program Erase Controller Flow-diagram (a)
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
2. P/E.C. status (Ready or Busy) is read on Status Register bit 7.
STATUS
READ
if V
B
CC
falls below V
COMMAND
IDENTIFIER
WAIT FOR
WRITE (1)
BYTE
90h
YES
LKO
NO
, the Command Interface defaults to Read Array mode.
STATUS
READ
70h
YES
NO
STATUS
CLEAR
50h
YES
YES
NO
PROGRAM
PROGRAM
STATUS
SET-UP
READY
40h or
READ
10h
(2)
YES
NO
NO
SET-UP
ERASE
OD0h
20h
A
YES
YES
NO
NO
COMMAND
ERROR
ERASE
0FFh
YES
AI01286C
NO
ARRAY
READ
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