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| 型号： | AM29DS323DT110EI |
| 厂商： | ADVANCED MICRO DEVICES INC |
| 元件分类： | PROM |
| 英文描述： | Hex Inverters 14-TSSOP -40 to 85 |
| 中文描述： | 2M X 16 FLASH 1.8V PROM, 110 ns, PDSO48 |
| 封装： | MO-142DD, TSOP-48 |
| 文件页数： | 11/53页 |
| 文件大小： | 985K |
| 代理商： | AM29DS323DT110EI |
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Am29DS323D
19
P R E L I M I NARY
Note: The term “sector” in the figure applies to both sectors and sector blocks.
Figure 2.
In-System Sector/Sector Block Protect and Unprotect Algorithms
Sector Protect:
Write 60h to sector
address with
A6 = 0, A1 = 1,
A0 = 0
Set up sector
address
Wait 150 s
Verify Sector
Protect: Write 40h
to sector address
with A6 = 0,
A1 = 1, A0 = 0
Read from
sector address
with A6 = 0,
A1 = 1, A0 = 0
START
PLSCNT = 1
RESET# = VID
Wait 1
s
First Write
Cycle = 60h?
Data = 01h?
Remove VID
from RESET#
Write reset
command
Sector Protect
complete
Yes
No
PLSCNT
= 25?
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
Sector Unprotect:
Write 60h to sector
address with
A6 = 1, A1 = 1,
A0 = 0
Set up first sector
address
Wait 15 ms
Verify Sector
Unprotect: Write
40h to sector
address with
A6 = 1, A1 = 1,
A0 = 0
Read from
sector address
with A6 = 1,
A1 = 1, A0 = 0
START
PLSCNT = 1
RESET# = VID
Wait 1
s
Data = 00h?
Last sector
verified?
Remove VID
from RESET#
Write reset
command
Sector Unprotect
complete
Yes
No
PLSCNT
= 1000?
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
All sectors
protected?
Yes
Protect all sectors:
The indicated portion
of the sector protect
algorithm must be
performed for all
unprotected sectors
prior to issuing the
first sector
unprotect address
Set up
next sector
address
No
Yes
No
Yes
No
Yes
No
Sector Protect
Algorithm
Sector Unprotect
Algorithm
First Write
Cycle = 60h?
Protect another
sector?
Reset
PLSCNT = 1
相关PDF资料 |
PDF描述 |
|---|---|
| AM29DS323DT120EI | Hex Inverters 14-TSSOP -40 to 85 |
| AM29DS323DT120WMI | Hex Inverters 14-TSSOP -40 to 85 |
| AM29DS323D | Hex Inverters 14-TSSOP -40 to 85 |
| AM29DS323DT110 | Hex Inverters 14-TSSOP -40 to 85 |
| AM29DS323DT120 | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AM29DS323DT-110WMI | 制造商:Spansion 功能描述:NOR Flash Parallel 32Mbit 4M/2M x 8bit/16bit 110ns 48-Pin FBGA |
| AM29DS323DT11WMINS | 制造商:Advanced Micro Devices 功能描述: |
| AM29F002B-70JC | 制造商:Advanced Micro Devices 功能描述:NOR Flash, 256K x 8, 32 Pin, Plastic, PLCC |
| AM29F002BB-120EC | 制造商:Spansion 功能描述:2M (256KX8) 5V, BOOT BLOCK, BOT, TSOP32, COM - Trays |
| AM29F002BB-120JCT | 制造商:Spansion 功能描述:2M (256KX8) 5V, BOOT BLOCK, BOT, PLCC32, COM, T&R - Tape and Reel |
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