參數(shù)資料
型號: MX28F160C3BXAC-90
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: DRAM
英文描述: 16M-BIT [1M x16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY
中文描述: 1M X 16 FLASH 3V PROM, 90 ns, PBGA48
封裝: 8 X 6 MM, 1.20 MM HEIGHT, 0.75 MM PITCH, MO-207, CSP-48
文件頁數(shù): 33/44頁
文件大小: 429K
代理商: MX28F160C3BXAC-90
33
P/N:PM0867
MX28F160C3T/B
REV. 1.2, MAR. 17, 2004
Figure 10. Locking Operations Flowchart
Bus
Operation
Write
Command
Comments
Config. Setup Data=60H
Addr=X
Data=01H (Sector Lock)
D0H(Sector Unlock)
2FH(Sector Lockdown)
Addr=Within sector to lock
Data=70H
Addr=X
Status Register Register
Addr=X
Check Status Register
80H=no error
30H=Lock Command
Sequence Error
Data=90H
Write
Lock, unlock
or Lockdown
Write
(Optional)
Read
(Optional)
Stanby
(Optional)
Read Status
Register
Write
(Optional)
Read
(Optional)
Read
Configuration Addr=X
Sector Lock
Status
Sector Lock Status Data
Addr=Second addr of
sector
Confirm Locking Change
on DQ1, DQ0 (See Sector
Locking State Table for
valid combinations.)
Stanby
Start
Locking Change
Complete
Lock Command
Sequence Error
Write 60H
(Configuration Setup)
Write
01H, D0H, or 2FH
Write 70H
(Read Status Register)
Read Status Register
1,1
0,0
Write 90H
(Read Configuration)
Read Sector Lock Status
SR.4, SR.5=
Yes
No
Locking Change
Confirmed
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