MX29F200T/B
TABLE1. SOFTWARE COMMAND DEFINITIONS
First Bus
Command
Bus
Cycle
Reset
Read
Read Silicon ID
Word
Byte
Sector Protect
Verify
Byte
4
AAAH AAH
555H
55H
AAAH 90H
Word
1
1
4
4
4
Cycle
Addr
Data
Second Bus
Cycle
Addr
Data
Third Bus
Cycle
Addr
Data
Fourth Bus
Cycle
Addr
Data
Fifth Bus
Cycle
Addr
Data
Sixth Bus
Cycle
Addr
Data
XXXH F0H
RA
555H
RD
AAH
2AAH 55H
555H
55H
555H
90H
ADI
ADI
(SA)
X02H
(SA)
X04H
DDI
DDI
XX00H
XX01H
00
01
PD
PD
AAH
AAH
AAH
AAH
2AAH 55H
555H
55H
555H 10H
AAAH 10H
SA
SA
30H
30H
AAAH AAH
555H
AAH
AAAH 90H
555H
90H
2AAH 55H
Porgram
Word
Byte
4
4
6
6
6
6
1
1
6
555H
AAH
2AAH 55H
555H
55H
555H
A0H
PA
PA
555H
AAAH
555H
AAAH
AAAH AAH
555H
AAH
AAAH A0H
555H
80H
Chip Erase
Word
Byte
2AAH 55H
555H
55H
AAAH AAH
555H
AAH
AAAH 80H
555H
80H
Sector Erase
Word
Byte
2AAH 55H
555H
55H
2AAH 55H
555H
55H
AAAH AAH
XXXH B0H
XXXH 30H
555H
AAH
AAAH 80H
Sector Erase Suspend
Sector Erase Resume
Unlock for sector
protect/unprotect
2AAH 55H
555H
80H
555H
AAH
2AAH 55H
555H 20H
NOTE:
1. ADI = Address of Device identifier; A1=0, A0 =0 for manufacture code, A1=0, A0 =1 for device code.(Refer to Table 3)
DDI = Data of Device identifier : C2H for manufacture code,51H/57H(x8) and 2251H/2257H(x16) for device code.
X = X can be VIL or VIH
RA=Address of memory location to be read.
RD=Data to be read at location RA.
2. PA = Address of memory location to be programmed.
PD = Data to be programmed at location PA.
SA = Address to the sector to be erased.
3. The system should generate the following address patterns: 555H or 2AAH to Address A0~A10.
Address bit A11~A16=X=Don't care for all address commands except for Program Address (PA) and Sector Address (SA).
Write Sequence may be initiated with A11~A16 in either state.
4. For Sector Protection Verify Operation : If read out data is 01H, it means the sector has been protected. If read out data is
00H, it means the sector is still not being protected.
COMMAND DEFINITIONS
Device operations are selected by writing specific ad-
dress and data sequences into the command register.
Writing incorrect address and data values or writing
them in the improper sequence will reset the device to
the read mode. Table 1 defines the valid register
command sequences. Note that the Erase Suspend
(B0H) and Erase Resume (30H) commands are valid
only while the Sector Erase operation is in progress.
Either of the two reset command sequences will reset
the device(when applicable).
P/N:PM0549
REV. 1.3 , DEC. 24, 2001
6
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