參數(shù)資料
型號(hào)： PA28F400B5T80
廠商： INTEL CORP
元件分類： PROM
英文描述： SMART 5 BOOT BLOCK FLASH MEMORY FAMILY 2, 4, 8 MBIT
中文描述： 512K X 8 FLASH 5V PROM, 80 ns, PDSO44
封裝： 0.525 X 1.110 INCH, PLASTIC, SOP-44
文件頁數(shù)： 21/38頁
文件大?。?/td> 501K
代理商： PA28F400B5T80
E
SMART 5 BOOT BLOCK MEMORY FAMILY
21
ADVANCE INFORMATION
SR.7 = 1
NO
YES
Start
Write 40H,
Word/Byte Address
Write Word/Byte
Data/Address
Full Status
Check if Desired
Word/Byte Program
Complete
FULL STATUS CHECK PROCEDURE
1
0
Read Status Register
Data (See Above)
1
0
Read
Status Register
V
PP
Range Error
Bus
Operation
Command
Comments
Standby
Standby
Check SR.3
1 = V
PP
Low Detect
SR.3 MUST be cleared, if set during a program attempt,
before further attempts are allowed by the Write State Machine.
SR.4 is only cleared by the Clear Status Register Command, in cases
where multiple bytes are programmed before full status is checked.
If error is detected, clear the Status Register before attempting
retry or other error recovery.
Bus
Operation
Command
Comments
Write
Write
Setup
Program
Data = Data to Program
Addr = Location to Program
Read
Data = 40H
Addr = Word/Byte to Program
Check SR.7
1 = WSM Ready
0 = WSM Busy
Repeat for subsequent word/byte program operations.
SR Full Status Check can be done after each word/byte
program operation, or after a sequence of word/byte programs.
Write FFH after the last program operation to reset device to
read array mode.
Standby
SR.3 =
SR.4 =
Word/Byte Program
Error
Word/Byte Program
Successful
Check SR.4
1 = Word Byte Program Error
Program
Status Register Data
Toggle CE# or OE#
to Update SRD.
0599-07
Figure 8. Automated Word/Byte Program Flowchart
相關(guān)PDF資料
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PA28F400BL-T150 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:4-MBlT (256K x 16, 512K x 8) LOW-POWER BOOT BLOCK FLASH MEMORY FAMILY
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