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參數(shù)資料
| 型號(hào)： | GE28F640W30B70 |
| 英文描述： | EEPROM|FLASH|4MX16|CMOS|BGA|56PIN|PLASTIC |
| 中文描述： | 的EEPROM | FLASH動(dòng)畫| 4MX16 |的CMOS | BGA封裝| 56PIN |塑料 |
| 文件頁數(shù)： | 26/91頁 |
| 文件大?。?/td> | 994K |
| 代理商： | GE28F640W30B70 |
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1.8 Volt Intel
Wireless Flash Memory with 3 Volt I/O
26
Datasheet
5.2
Factory Programming
The standard factory programming mode uses the same commands and algorithm as the Word
Program mode (40h/10h). When V
PP
is at V
PP1
, program and erase currents are drawn through
VCC. If VPP is driven by a logic signal, V
PP1
must remain above the V
PP1
Min value to perform in-
system flash modifications. When VPP is connected to a 12 V power supply, the device draws
program and erase current directly from VPP. This eliminates the need for an external switching
transistor to control the V
PP
voltage.
Figure 14, “Examples of VPP Power Supply Configurations”
on page 42
shows examples of flash power supply usage in various configurations.
Figure 5. Word Program Flowchart
Suspend
Program
Loop
Start
Write 40h,
Word Address
Write Data
Word Address
Read Status
Register
SR[7] =
Full Program
Status Check
(if desired)
Program
Complete
FULL PROGRAM STATUS CHECK PROCEDURE
Suspend
Program
Read Status
Register
Program
Successful
SR[3] =
SR[1] =
0
0
SR[4] =
0
1
1
1
1
0
No
Yes
V
PP
Range
Error
Device
Protect Error
Program
Error
WORD PROGRAM PROCEDURE
SR[3] MUST be cleared before the WSM will allow further
program attempts
Only the Clear Staus Register command clears SR[4:3,1].
If an error is detected, clear the status register before
attempting a program retry or other error recovery.
Standby
Standby
OpBus
Check SR[3]
1 = V
PP
error
Check SR[4]
1 = Data program error
Comments
Repeat for subsequent programming operations.
Full status register check can be done after each program or
after a sequence of program operations.
Comments
OpBus
Data = 40h
Addr = Location to program (WA)
Write
Program
Setup
Data = Data to program (WD)
Addr = Location to program (WA)
Write
Data
Read SRD
Toggle CE# or OE# to update SRD
Read
Check SR[7]
1 = WSM ready
0 = WSM busy
Standby
Standby
Check SR[1]
1 = Attempted program to locked block
Program aborted
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| GE28F640W30B85 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|4MX16|CMOS|BGA|56PIN|PLASTIC |
| GE28F640W30T70 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|4MX16|CMOS|BGA|56PIN|PLASTIC |
| GE28F640W30T85 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|4MX16|CMOS|BGA|56PIN|PLASTIC |
| GE28F800B3BA90 | 制造商:Intel 功能描述:NOR Flash, 512K x 16, 45 Pin, Plastic, BGA |
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