參數(shù)資料
型號: EN29LV640B-90BIP
廠商: Eon Silicon Solution Inc.
英文描述: 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
中文描述: 64兆位(8米× 8位/分x 16位)閃存引導扇區(qū)閃存,CMOS 3.0伏,只
文件頁數(shù): 29/53頁
文件大?。?/td> 495K
代理商: EN29LV640B-90BIP
Write Operation Status
This Data Sheet may be revised by subsequent versions 2004 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. B, Issue Date: 2007/05/16
EN29LV640T/B
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
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.
相關(guān)PDF資料
PDF描述
EN29LV640B-90BP 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
EN29LV640B-90T 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
EN29LV640B-90TI 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
EN29LV640B-90TIP 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
EN29LV640TT-70TI 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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