參數資料
型號： M50FW080NB5P
廠商： 意法半導體
英文描述： 8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory
中文描述： 8兆1兆× 8，統(tǒng)一座3V電源閃存固件集線器
文件頁數： 49/56頁
文件大?。?/td> 292K
代理商： M50FW080NB5P
M50FW080
Flowcharts and pseudo codes
49/55
Appendix A
Flowcharts and pseudo codes
Figure 18.
Program flowchart and pseudo code
1.
A Status check of SR1 (Protected Block), SR3 (V
invalid) and SR4 (Program Error) can be made after
each Program operation by following the correct command sequence.
If an error is found, the Status Register must be cleared before further Program/Erase Controller
operations.
2.
Write 40h or 10h
AI08425B
Start
Write Address
and Data
Read Status
Register
YES
NO
SR7 = 1
YES
NO
SR3 = 0
NO
SR4 = 0
VPP Invalid
Error (1, 2)
Program
Error (1, 2)
Program command:
– Write 40h or 10h
– Write Address and Data
(memory enters read status state after
the Program command)
do:
– Read Status Register
– If SR7=0 and a Program/Erase Suspend
command has been executed
– SR7 is set to 1
– Enter suspend program loop
If SR3 = 1,
– Enter the "VPP invalid" error handler
If SR4 = 1,
– Enter the "Program error" error handler
YES
End
YES
NO
SR1 = 0
Program to Protected
Block Error (1, 2)
If SR1 = 1,
– Enter the "Program to protected
block" error handler
Suspend
Suspend
Loop
NO
YES
FWH/LPC
Interface
Only
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