參數(shù)資料
型號(hào): MX29L3211MC-10
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類(lèi): DRAM
英文描述: 32M-BIT [4M x 8/2M x 16] CMOS SINGLE VOLTAGE PAGEMODE FLASH EEPROM
中文描述: 2M X 16 FLASH 3.3V PROM, 100 ns, PDSO44
封裝: 0.500 INCH, PLASTIC, MO-175, SOP-44
文件頁(yè)數(shù): 6/38頁(yè)
文件大小: 659K
代理商: MX29L3211MC-10
6
P/N:PM0641
REV. 0.3, NOV. 06, 2001
MX29L3211
WRITE OPERATIONS
Commands are written to the COMMAND INTERFACE
REGISTER (CIR) using standard microprocessor write
timings. The CIR serves as the interface between the
microprocessor and the internal chip operation. The
CIR can decipher Read Array, Read Silicon ID, Erase
and Program command. In the event of a read command,
the CIR simply points the read path at either the array or
the silicon ID, depending on the specific read command
given. For a program or erase cycle, the CIR informs the
write state machine that a program or erase has been
requested. During a program cycle, the write state
machine will control the program sequences and the
CIR will only respond to status reads. During a sector/
chip erase cycle, the CIR will respond to status reads
and erase suspend. After the write state machine has
completed its task, it will allow the CIR to respond to its
full command set. The CIR stays at read status register
mode until the microprocessor issues another valid
command sequence.
Device operations are selected by writing commands
into the CIR. Table 3 below defines 32 Mbit flash family
command.
TABLE 3. COMMAND DEFINITIONS
Command
Read/
Silicon
Page/Byte
Chip
Sector
Erase
Erase
Read
Clear
Sequence
Reset
ID Read
Program
Erase
Erase
Suspend
Resume
Status Reg.
Status Reg.
Bus Write
4
4
4
6
6
3
3
4
3
Cycles Req'd
First Bus
Addr
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
Write Cycle
Data
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
Second Bus
Addr
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
Write Cycle
Data
55H
55H
55H
55H
55H
55H
55H
55H
55H
Third Bus
Addr
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
Write Cycle
Data
F0H
90H
A0H
80H
80H
B0H
D0H
70H
50H
Fourth Bus
Addr
RA
00H/01H
PA
5555H
5555H
X
Read/Write Cycle
Data
RD
C2H/F9H
PD
AAH
AAH
SRD
Fifth Bus
Addr
2AAAH
2AAAH
Write Cycle
Data
55H
55H
Sixth Bus
Addr
5555H
SA
Write Cycle
Data
10H
30H
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