m28w640hc- Numonyx, m28w640hc- Datasheet - Page 70

• Manufacturer Part Number: m28w640hc-
• Description: 64 Mbit 4 Mb X 16, Boot Block 3 V Supply Flash Memory
• Manufacturer: Numonyx

Command interface and Program/Erase controller state
Table 32.
1. Cmd = Command, Elect.Sg. = Electronic Signature, Prog. = Program, Prot = Protection.
70/72
Erase Setup
Read Ststus
Read Array
(complete)
Cmd.Error
(continue)
Read CFI
Suspend
Suspend
Suspend
Elect.Sg.
Suspend
Current
Query
Erase
Erase
Erase
Erase
Erase
Erase
Erase
state
Read
Write state machine current/next
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Elect.Sg.
Suspend
Suspend
Suspend
Suspend
Erase
Erase
Erase
Erase
Read
(90h)
Read
Read
Read
Read
Read
Read
Read CFI
Read CFI
Read CFI
Read CFI
Read CFI
Read CFI
Read CFI
Suspend
Suspend
Suspend
Suspend
Query
Query
Query
Query
Query
Query
Query
Erase
Erase
Erase
Erase
(98h)
Lock Setup
Lock Setup
Lock Setup
Lock Setup
Lock Setup
Lock Setup
Lock Setup
Erase Command Error
Command input (and next state)
(60h)
(1)
(continued)
Erase (continue)
Setup (C0h)
Prot. Prog.
Prot. Prog.
Prot. Prog.
Setup
Setup
Erase Suspend Read Array
Erase Suspend Read Array
Erase Suspend Read Array
Erase Suspend Read Array
Confirm
Lock
(01h)
M28W640HCT, M28W640HCB
Lock Down
Read Array
Read Array
Confirm
(2Fh)
(continue)
(continue)
(continue)
(continue)
(continue)
Confirm
Unlock
(D0h)
Erase
Erase
Erase
Erase
Erase