28F640L30, 28F128L30, 28F256L30
Figure 29. Write State Machine — Next State Table (Sheet 6 of 6)
Command Input to Chip and resulting Output Mux Next State
Lock
Block
Confirm (9)
Lock-Dow n
Block
Illegal Cmds
OTP Setup
Write CR
Block Confirm
Address or BEFP Data
(WA0)
WSM
Operation
Completes
(5)
(9)
Confirm
(9)
(2)
(all other
(FFFFH)
(C0H)
(01H)
(2FH)
(03H)
codes)
Status Read
Array
Read
Status Read
Status Read
Output mux
does not
change.
Output mux
Array
Status Read
Output mux does not change.
does not
Read
change.
NOTES:
1. The "Partition Data When Read" field shows what the user will read from the flash chip after issuing the
appropriate command given the Partition Address is not changed from the address given during the
command. "Read-while-write" functionality gives more flexibility in data output from the device. The data read
from the chip depends on the Partition Address applied to the device; Each partition is placed into one of 3
72
Datasheet
INTEL [ INTEL ]
