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参数资料
| 型号： | EN29LV640T-90BIP |
| 厂商： | 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）闪存引导扇区闪存，CMOS 3.0伏，只 |
| 文件页数： | 28/53页 |
| 文件大小： | 495K |
| 代理商： | EN29LV640T-90BIP |
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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.
34
EN29LV640T/B
Rev. B, Issue Date: 2007/05/16
Flowchart 7b. In-System Chip Unprotect Flowchart
START
PLSCNT = 1
RESET# = VID
Wait 1
μS
First Write
Cycle = 60h?
Temporary Chip
Unprotect Mode
No
Yes
All sectors
protected?
Yes
No
Protect all sectors
(groups):
The
indicated portion of
the sector protect
algorithm must be
performed for all
unprotected sectors
prior to issuing the
first sector unprotect
address (see
Diagram 7a.)
Set up first sector
address
Chip Unprotect: Write 60H to sector
address with A6 = 1,
A1 = 1, A0 = 0
Wait 15 ms
Verify Chip Unprotect: Write
40h to sector address with
A6 = 1, A1 = 1, A0 =0
Read from sector address with
A6 = 1, A1 = 1, A0 = 0
Data = 00h?
No
PLSCCNT =
1000?
No
Increment
PLSCNT
Yes
Device failed
Last sector
verified?
No
Set up next sector
(group) address
Remove VID from
RESET#
Write reset
command
Chip Unprotect
complete
Chip Unprotect Algorithm
Wait 0.4
μS
Yes
相关PDF资料 |
PDF描述 |
|---|---|
| EN29LV640T-90BI | 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only |
| EN29LV640T-90BP | 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only |
| EN29LV640T-90B | 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only |
| EN29LV640T-90TIP | 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only |
| EN29LV640T-90TI | 64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only |
相关代理商/技术参数 |
参数描述 |
|---|---|
| EN29LV800AB-70TC | 制造商:Eon Silicon Solution Inc 功能描述: |
| EN29LV800BB-70TCP | 制造商:EON SILICON SOLUTION INC 功能描述:EN29LV800B Series, 8 Mbit 70 NS 48 TSOP 3 V Bottom Boot Sector NOR Flash |
| EN29LV800CT-70TIP | 制造商:EON SILICON SOLUTION INC 功能描述:8mb TSOP 70ns nor flash |
| EN29SL400B-90BIP | 制造商:EON SILICON SOLUTION INC 功能描述:EN29SL400 Series, 4 Mbit 90 NS 48 FBGA 1.8 V Bottom Boot Sector NOR Flash |
| EN2-B1H1 | 制造商:NEC 制造商全称:NEC 功能描述:AUTOMOTIVE RELAYS (Twin, Single) Relays |
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