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參數資料
| 型號： | W49F102 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 64K X 16 CMOS FLASH MEMORY |
| 中文描述： | 64K的× 16的CMOS閃存 |
| 文件頁數： | 9/21頁 |
| 文件大小： | 277K |
| 代理商： | W49F102 |
W49F102
Publication Release Date: October 2000
- 9 -
Revision A3
Command Codes for Product Identification and Boot Block Lockout Detection
BYTE
SEQUENCE
PRODUCT IDENTIFICATION/BOOT
BLOCK LOCKOUT DETECTION ENTRY
SOFTWARE PRODUCT
IDENTIFICATION/BOOT BLOCK LOCKOUT
DETECTION EXIT (6)
ADDRESS
DATA
ADDRESS
DATA
1 Write
2 Write
3 Write
5555
2AAA
5555
AA
55
90
5555H
2AAAH
5555H
AAH
55H
F0H
Pause 10
μ
S
Pause 10
μ
S
Software Product Identification and Boot Block Lockout Detection Acquisition Flow
Product
Identification
Entry (1)
Load data 55
to
address 2AAA
Load data 90
to
address 5555
Pause 10 S
Product
Identification
and Boot Block
Lockout Detection
Mode (3)
Read address = 00000
data = DA
Read address = 00001
data = 2F
Read address = 00002
data = FF/FE
(4)
Product
Identification Exit (6)
Load data 55
to
address 2AAA
Load data F0
to
address 5555
Normal Mode
(5)
(2)
(2)
Load data AA
to
address 5555
Load data AA
to
address 5555
Pause 10 S
Notes for software product identification/boot block lockout detection:
(1) Data Format: DQ15-DQ8 (Don't Care), DQ7
DQ0 (Hex); Address Format: A14
A0 (Hex)
(2) A1
A15 = V
IL
; manufacture code is read for A0 = V
IL
; device code is read for A0 = V
IH
.
(3) The device does not remain in identification and boot block lockout detection mode if power down.
(4) If the output data is "FF Hex," the boot block programming lockout feature is activated; if the output data "FE Hex," the lockout feature is
inactivated and the block can be programmed.
(5) The device returns to standard operation mode.
(6) Optional 1-write cycle (write F0 hex at XXXX address) can be used to exit the product identification/boot block lockout detection.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W49F102P40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:64K X 16 CMOS FLASH MEMORY |
| W49F102P45 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:64K X 16 CMOS FLASH MEMORY |
| W49F102P-45 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|64KX16|CMOS|LDCC|44PIN|PLASTIC |
| W49F102Q40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:64K X 16 CMOS FLASH MEMORY |
| W49F102Q45 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:64K X 16 CMOS FLASH MEMORY |
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