参数资料
型号: M58BW016BB90ZA6
厂商: STMICROELECTRONICS
元件分类: PROM
英文描述: 512K X 32 FLASH 3V PROM, 90 ns, PBGA80
封装: 10 X 12 MM, 1 MM PITCH, LBGA-80
文件页数: 49/63页
文件大小: 895K
代理商: M58BW016BB90ZA6
53/63
Figure 25. Unlock Device and Change Tuning Protection Code Flowchart
AI04501
Reset
Device locked
by tuning code
1st: Write Cycle
2nd: Write Cycle
(old code,
factory setup = 0xFFFFh)
YES
3rd: Write Cycle
4th: Write Cycle
(old code,
factory setup = 0xFFFFh)
YES
NO
DEVICE LOCKED
Add: don't care
Data: 0x48h
6th: Write Cycle
Add: 0x00000h
Data: First 32 bit
7th: Write Cycle
(new code)
YES
b7 = 1
Add: don't care
Data: 0x48h
8th: Write Cycle
Add: 0x00001h
Data: Second 32 bit
9th: Write Cycle
(new code)
YES
b7 = 1
DEVICE UNLOCKED
Reset
Device locked
by new code
TUNING PROTECTION
UNLOCK SEQUENCE
Add: don't care
Data: 0xFFh
5th: Write Cycle
Issue Read command
Issue
Read
command
Add: don't care
Data: 0x78h
Add: 0x00000h
Data: First 32 bit
b7 = 1
Add: don't care
Data: 0x78h
Add: 0x00001h
Data: Second 32 bit
b7 = 1
Read Status
Register
b0 = 1
Add: don't care
Data: 0xFFh
相关PDF资料
PDF描述
M58BW016BT90ZA6 512K X 32 FLASH 3V PROM, 90 ns, PBGA80
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M59DR032F100N1T 2M X 16 FLASH 1.8V PROM, 100 ns, PDSO48
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参数描述
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