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| 型號： | EN29LV040A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 4 Megabit (512K x 8-bit ) Uniform Sector, CMOS 3.0 Volt-only Flash Memory |
| 中文描述： | 4兆位（為512k × 8位）統(tǒng)一部門，3.0伏的CMOS只閃存 |
| 文件頁數(shù)： | 15/35頁 |
| 文件大小： | 257K |
| 代理商： | EN29LV040A |
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This Data Sheet may be revised by subsequent versions 2003 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. A, Issue Date: 2005/08/16
EN29LV040A
Table 6. Status Register Bits
DQ
Name
Logic Level
Definition
Erase Complete or
erase Sector in Erase suspend
Erase On-Going
Program Complete or
data of non-erase Sector
during Erase Suspend
Program On-Going
Erase or Program On-going
Read during Erase Suspend
Erase Complete
Program or Erase Error
Program or Erase On-going
Erase operation start
Erase timeout period on-going
Chip Erase, Erase or Erase
suspend on currently
addressed
Sector. (When DQ5=1, Erase
Error due to currently
addressed Sector. Program
during Erase Suspend on-
going at current address
‘1’
‘0’
DQ7
7
DATA
POLLING
DQ7
‘-1-0-1-0-1-0-1-’
DQ6
6
TOGGLE
BIT
‘-1-1-1-1-1-1-1-‘
‘1’
‘0’
‘1’
‘0’
5
ERROR BIT
3
ERASE
TIME BIT
‘-1-0-1-0-1-0-1-’
2
TOGGLE
BIT
DQ2
Erase Suspend read on
non Erase Suspend Sector
Notes:
DQ7
DATA
Polling: indicates the P/E C 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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