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參數(shù)資料
| 型號： | EN29LV640 |
| 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)一部門快閃記憶體 |
| 文件頁數(shù)： | 24/45頁 |
| 文件大小： | 440K |
| 代理商： | EN29LV640 |
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Write Operation Status
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
Operation
DQ7
DQ6
DQ5
DQ3
DQ2
RY/BY#
Embedded Program
Algorithm
Embedded Erase Algorithm
DQ7#
Toggle
0
N/A
No
toggle
Toggle
0
Standard
Mode
0
Toggle
0
1
0
Reading within Erase
Suspended Sector
Reading within Non-Erase
Suspended Sector
Erase-Suspend Program
1
No
Toggle
0
N/A
Toggle
1
Data
Data
Data
Data
Data
1
Sector
Erase
Suspend
Mode
DQ7#
Toggle
0
N/A
N/A
0
Table 10. Status Register Bits
DQ
Name
Logic Level
Definition
‘1’
Erase Complete or erased sector in Sector Erase
Suspend
Erase On-Going
Program Complete or data of non-erased sector
during Sector Erase Suspend
Program On-Going
‘0’
DQ7
7
DATA#
POLLING
DQ7#
‘-1-0-1-0-1-0-1-’
Erase or Program On-going
DQ6
Read during Sector Erase Suspend
Erase Complete
6
TOGGLE BIT
‘-1-1-1-1-1-1-1-‘
‘1’
Program or Erase Error
5
ERROR BIT
‘0’
Program or Erase On-going
‘1’
Erase operation start
3
SECTOR
ERASE TIME
BIT
‘0’
Erase timeout period on-going
‘-1-0-1-0-1-0-1-’
Chip Erase, Sector Erase or Read within Erase-
Suspended sector. (When DQ5=1, Erase Error due
to currently addressed Sector or Program on
Erase-Suspended sector
2
TOGGLE BIT
DQ2
Read on addresses of non Erase-Suspend sectors
Notes:
DQ7: DATA# Polling: indicates the P/E status check during Program or Erase, and on completion before checking bits DQ5
for Program or Erase Success.
DQ6: Toggle Bit: remains at constant level when P/E operations are complete or erase suspend is acknowledged.
Successive reads output complementary data on DQ6 while programming or Erase operation are on-going.
DQ5: Error Bit: set to “1” if failure in programming or erase
DQ3: Sector Erase Command Timeout Bit: Operation has started. Only possible command is Erase suspend (ES).
DQ2: Toggle Bit: indicates the Erase status and allows identification of the erased Sector.
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