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参数资料
| 型号： | W78M32VP110BC |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | PROM |
| 英文描述： | 8M X 32 FLASH 3.3V PROM, 110 ns, PBGA159 |
| 封装： | 13 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-159 |
| 文件页数： | 15/51页 |
| 文件大小： | 1637K |
| 代理商： | W78M32VP110BC |
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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
W78M32VP-XBX
January 2010
Rev. 12
White Electronic Designs Corp. reserves the right to change products or specications without notice.
TABLE 21 SECTOR PROTECTION SCHEMES: DYB, PPB AND PPB LOCK BIT COMBINATIONS
Uniques Device PPB Lock Bit
0 = locked
1 = unlock
Sector PPB
0 = locked
1 = unlock
Sector DYB
0 = locked
1 = unlock
Sector Protection Status
Any Sector
0
x
Protected through PPB
Any Sector
0
x
Protected through PPB
Any Sector
0
1
Unportected
Any Sector
0
1
0
Protected through PPB
Any Sector
1
0
x
Protected through PPB
Any Sector
1
0
x
Protected through PPB
Any Sector
1
0
Protected through PPB
Any Sector
1
Unportected
Table 21 contains all possible combinations of the DYB, PPB, and PPB Lock Bit relating to the status of the
sector. In summary, if the PPB Lock Bit is locked (set to “0”), no changes to the PPBs are allowed. The PPB
Lock Bit can only be unlocked (reset to “1”) through a hardware reset or power cycle. See also FIG: 8.1 for
an overview of the Advanced Sector Protection feature.
TABLE 22 LOCK REGISTER
Secured Silicon Sector Address
Range
Customer Lockable
ESN Factory Locked
ExpressFlash Factory Locked
000000h-000007h
Determined by customer
ESN
ESN or determinded by customer
000008h-000007Fh
Unavailable
Determinined by customer
TABLE 23 SECURED SILICON SECTOR ENTRY
(LLD Function = lld_SecSiSectorEntryCmd)
Cycle
Operation
Word Address
Data
Unlock Cycle 1
Write
Base + 555h
00AAh
Unlock Cycle 2
Base + 2AAh
0055h
Entry Cycle
Base + 555h
0088h
Note
Base = Base Address.
TABLE 24 SECURED SILICON SECTOR PROGRAM
(LLD Function = lld_ProgramCmd)
Cycle
Operation
Word Address
Data
Unlock Cycle 1
Write
Base + 555h
00AAh
Unlock Cycle 2
Base + 2AAh
0055h
Program Setup
Base + 555h
0088h
Program
Word Address
Data Word
Note
Base = Base Address.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W78M32VP110BM | 制造商:Microsemi Corporation 功能描述:W78M32VP110BM - Bulk |
| W78M32VP-110BM | 制造商:White Electronic Designs 功能描述:Flash Module Parallel 256Mbit |
| W78M32V-XBX | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:8Mx32 Flash 3.3V Page Mode Simultaneous Read/Write Operation Multi-Chip Package |
| W78M64VP110SBM | 制造商:Microsemi Corporation 功能描述:8MX64 FLASH 3.3V PAGE MODE - Bulk |
| W78M64V-XSBX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Flash MCP |
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