mx25l12845e Macronix International Co., mx25l12845e Datasheet - Page 15

• Manufacturer Part Number: mx25l12845e
• Description: Mx25l12845e High Performance Serial Flash Specification Preliminary
• Manufacturer: Macronix International Co.

Note 1: The count base is 4-bit for ADD(2) and Dummy(2) because of 2 x I/O. And the MSB is on SI/SIO1 which is
Note 2: ADD=00h will output the Manufacturer ID first and ADD=01h will output Device ID first.
Note 3: It is not recommended to adopt any other code not in the command definition table, which will potentially
Note 4: In individual block write protection mode, all blocks/sectors is locked as defualt.
P/N: PM1428
COMMAND
COMMAND
2nd byte
2nd byte
3rd byte
4th byte
3rd byte
4th byte
5th byte
1st byte
1st byte
Action
Action
(byte)
(byte)
different from 1 x I/O condition.
enter the hidden mode.
program-
output the
Manufact-
45 (hex) 30 (hex) A3 (hex)
for 4x I/O
device ID
urer ID &
EXPLM
DF (hex)
Parallel
parallel
(read ID
(Note 2)
REMS4
Mode)
to exit
(EXIT
mode
8xI/O
mode)
ming
ADD
x
x
security
SR Fail
register
and bit
Flags)
CLSR
(Clear
DT mode)
output the
Manufact-
clear
Device ID
REMS4D
bit 6
for 4x I/O
urer ID &
CF (hex)
(read ID
(Note 2)
5
ADD
x
x
HPM (High
Perform-
Perform-
Dummy
Dummy
Dummy
Quad I/
Enable
O high
Mode)
mode
ance
ance
OTP mode
the 4K-bit
B1 (hex)
Secured
secured
to enter
ENSO
(enter
OTP)
protection
selection)
68 (hex)
individal
WPSEL
to enter
protect
enable
(write
mode
block
and
EXSO (exit
OTP mode
the 4K-bit
C1 (hex)
Secured
secured
to exit
OTP)
block lock)
(64K-byte)
individual
(4K-byte)
or sector
36 (hex)
*Note 4
protect
(single
SBLK
block
write
15
AD1
AD2
AD3
RDSCUR
2B (hex)
register)
value of
security
security
register
to read
(read
individual
(4K-byte)
unprotect
39 (hex)
byte) or
SBULK
unlock)
(single
sector
(64K-
block
block
AD1
AD2
AD3
lock-down,
WRSCUR
lock-down
cannot be
to set the
bit as "1"
updated)
register)
2F (hex)
security
(once
(write
MX25L12845E
RDBLOCK
individual
3C (hex) 7E (hex) 98 (hex) A5 (hex)
block or
protect
protect
(block
sector
status
read)
read
write
AD1
AD2
AD3
output RY/
during CP
to enable
70 (hex)
RY/BY#
(enable
ESRY
output
SO to
SO to
mode
BY#)
protect
GBLK
(gang
whole
block
lock)
write
chip
output RY/
during CP
to disable
80 (hex)
RY/BY#
(disable
DSRY
output
SO to
SO to
mode
BY#)
unprotect
REV. 0.06, MAR. 05, 2009
GBULK
unlock)
(gang
whole
block
chip
ming mode
program-
55 (hex)
ENPLM
Parallel
parallel
ADD (A7
CFI data
Mode)
(Enter
Dummy
8xI/O
is don't
access
ENCFI
(Enter
mode
Enter
care)
CFI)
and
CFI
x
x