參數(shù)資料
型號(hào)： EN29LV640H-90TC
廠商： Eon Silicon Solution Inc.
英文描述： 64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
中文描述： 64兆位（4米× 16位），3.0伏的CMOS只，統(tǒng)一部門(mén)快閃記憶體
文件頁(yè)數(shù)： 18/45頁(yè)
文件大?。?/td> 440K
代理商： EN29LV640H-90TC
COMMAND DEFINITIONS
The operations of the device are selected by one or more commands written into the command
register. Commands are made up of data sequences written at specific addresses via the command
register. The sequences for the specified operation are defined in the Command Definitions table
(Table 9). Incorrect addresses, incorrect data values or improper sequences will reset the device to
Read Mode.
Table 9. EN29LV640H/L / EN29LV640U Command Definitions
This Data Sheet may be revised by subsequent versions 2005 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. C, Issue Date: 2007/01/23
EN29LV640
Bus Cycles
(Note 1-2)
1
P
st
P
Cycle
2
P
nd
P
Cycle
3
P
rd
Addr
P
Cycle
Data
4
P
th
P
Cycle
Data
5
P
th
P
Cycle
Data
6
P
th
Addr
P
Cycle
Data
Command
Sequence
C
Addr
Data
Addr
Data
Addr
Addr
Read (Note 3)
1
RA
RD
Reset
1
xxx
F0
000
100
Manufacturer ID
4
555
AA
2AA
55
555
90
7F
1C
Device ID
4
555
AA
2AA
55
555
90
X01
227E
A
Sector Protect
Verify (Note 4)
4
555
AA
2AA
55
555
90
(SA)
X02
XX00
XX01
Program
4
555
AA
2AA
55
555
A0
PA
PD
Unlock Bypass
3
555
AA
2AA
55
555
20
Unlock Bypass
Program
2
XXX
A0
PA
PD
Unlock Bypass Reset
2
XXX
90
XXX
00
Chip Erase
6
555
AA
2AA
55
555
80
555
AA
2AA
55
555
10
Sector Erase
6
555
AA
2AA
55
555
80
555
AA
2AA
55
SA
30
Sector Erase Suspend
1
BA
B0
Sector Erase Resume
1
BA
30
CFI Query
1
55
98
Address and Data values indicated are in hex. Unless specified, all bus cycles are write cycles
RA = Read Address: address of the memory location to be read. This is a read cycle.
RD = Read Data: data read from location RA during Read operation. This is a read cycle.
PA = Program Address: address of the memory location to be programmed. X = Don’t-Care
PD = Program Data: data to be programmed at location PA
SA = Sector Address: address of the Sector to be erased or verified (in Autoselect mode).
Address bits A21-A15 uniquely select any Sector.
Notes:
1. Data bits DQ15-DQ8 are don’t care in command sequences, except for RD and PD.
2. Unless otherwise noted, address bits A21-A15 are don’t cares.
3. No unlock or command cycles required when device is in read mode.
4. The data is 00h for an unprotected sector group and 01h for a protected sector group.
相關(guān)PDF資料
PDF描述
EN29LV640H-90TCP 64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
EN29LV640H-90TI 64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
EN29LV640H-90TIP 64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
EN29LV640L-90BC 64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
EN29LV640L-90BCP 64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
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