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參數(shù)資料
| 型號： | AM29F017D-120FD |
| 廠商： | SPANSION LLC |
| 元件分類： | PROM |
| 英文描述： | 2M X 8 FLASH 5V PROM, 120 ns, PDSO48 |
| 封裝： | MO-142DD, TSOP-48 |
| 文件頁數(shù)： | 15/46頁 |
| 文件大?。?/td> | 1387K |
| 代理商： | AM29F017D-120FD |
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20
Am29F017D
July 29, 2005
Command Definitions
Table 9.
Am29F017D Command Definitions
Legend:
X = Don’t care
RA = Address of the memory location to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed.
Addresses latch on the falling edge of the WE# or CE# pulse,
whichever happens later.
PD = Data to be programmed at location PA. Data latches on
the rising edge of WE# or CE# pulse, whichever happens
first.
SA = Address of the sector to be verified (in autoselect mode)
or erased. Address bits A20–A16 select a unique sector.
SGA = Address of the sector group to be verified. Address
bits A20–A18 select a unique sector group.
Notes:
1. See Table 1 for description of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus
cycles are write operations.
4. Address bits A20–A11 are don’t cares for unlock and
command cycles, unless SA or PA required.
5. No unlock or command cycles required when reading
array data.
6. The Reset command is required to return to reading array
data when device is in the autoselect mode, or if DQ5
goes high (while the device is providing status data).
7. The fourth cycle of the autoselect command sequence is
a read cycle.
8. The data is 00h for an unprotected sector group and 01h
for a protected sector group.See “Autoselect Command
Sequence”
for more information.
9. Command is valid when device is ready to read array data
or when device is in autoselect mode.
10. The Unlock Bypass command is required prior to the
Unlock Bypass Program command.
11. The Unlock Bypass Reset command is required to return
to reading array data when the device is in the unlock
bypass mode.
12. The system may read and program in non-erasing
sectors, or enter the autoselect mode, when in the Erase
Suspend mode. The Erase Suspend command is valid
only during a sector erase operation.
13. The Erase Resume command is valid only during the
Erase Suspend mode.
Command
Sequence
(Note 1)
Cyc
le
s
Bus Cycles (Notes 2–4)
First
Second
Third
Fourth
Fifth
Sixth
Addr
Data
Addr
Data
Addr
Data Addr
Data
Addr Data
Addr
Data
Read (Note 5)
1
RA
RD
Reset (Note 6)
1
XXX
F0
Autoselect
(Note 7)
Manufacturer ID
4
XXX
AA
XXX
55
XXX
90
X00
01
Device ID
4
XXX
AA
XXX
55
XXX
90
X01
3D
Sector Group Protect
Verify (Note 8)
4
XXX
AA
XXX
55
XXX
90
SGA
X02
XX00
XXX
XX01
CFI Query (Note 9)
1
XX
98
Program
4
XXX
AA
XXX
55
XXX
A0
PA
PD
Unlock Bypass
3
XXX
AA
XXX
55
XXX
20
Unlock Bypass Program (Note 10)
2
XXX
A0
PA
PD
Unlock Bypass Reset (Note 11)
2
XXX
90
XXX
00
Chip Erase
6
XXX
AA
XXX
55
XXX
80
XXX
AA
XXX
55
XXX
10
Sector Erase
6
XXX
AA
XXX
55
XXX
80
XXX
AA
XXX
55
SA
30
Erase Suspend (Note 9)
1
XXX
B0
Erase Resume (Note 10)
1
XXX
30
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