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參數(shù)資料
| 型號： | W29N102C |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 64K×16bit CMOS 3.3V Flash Memory(64K×16位以3.3V電源供電的CMOS閃速存儲器) |
| 中文描述： | 64K的× 16位的CMOS 3.3V的快閃記憶體（64K的× 16位以3.3V的電源供電的閃速存儲器的CMOS） |
| 文件頁數(shù)： | 9/21頁 |
| 文件大小： | 253K |
| 代理商： | W29N102C |
Preliminary W29N102C
Publication Release Date: February 1999
- 9 -
Revision A1
Command Codes for Product Identification and Boot Block Lockout Detection
BYTE
SEQUENCE
ALTERNATE PRODUCT (6)
IDENTIFICATION/BOOT BLOCK
LOCKOUT DETECTION ENTRY
SOFTWARE PRODUCT
IDENTIFICATION/BOOT BLOCK LOCKOUT
DETECTION EXIT (7)
ADDRESS
5555
2AAA
5555
DATA
AA
55
90
ADDRESS
5555H
2AAAH
5555H
DATA
AAH
55H
F0H
1 Write
2 Write
3 Write
Pause 20
μ
S
Pause 20
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 = BF
Read address = 00002
data = FF/FE
(4)
Product
Identification Exit(7)
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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