M28W320 STMicroelectronics, M28W320 Datasheet - Page 35

• Manufacturer Part Number: M28W320
• Description: 32 Mbit 2Mb x16/ Boot Block Low Voltage Flash Memory
• Manufacturer: STMicroelectronics

Figure 17. Command Interface and Program Erase Controller Flowchart (b)
Note: 2. P/E. C. status (Ready or Busy) is read on Status Register bit 7.
D
c
c
SIGNATURE
PROGRAM
BP/BU/BL
STATUS
SET-UP
SET-UP
SET-UP
QUERY
ARRAY
READ
READ
READ
DPG
CFI
B
NO
YES
YES
YES
YES
YES
YES
NO
SUSPENDED
ERASE
40h or
C0h
D0h
70h
90h
98h
10h
30h
60h
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
SET-UP
PRP
RESUME
ERASE
YES
YES
YES
SUSPEND
STATUS
ERASE
READY
ERASE
READY
(READ STATUS)
PRP
READ
B0h
(2)
(2)
A
NO
NO
M28W320CT, M28W320CB
NO
(READ STATUS)
NO
READY
(2)
STATUS
READ
YES
B
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