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参数资料
| 型号： | W29C022T-70B |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | PROM |
| 英文描述： | 256K X 8 FLASH 5V PROM, 70 ns, PDSO32 |
| 封装： | TSOP1-32 |
| 文件页数： | 21/21页 |
| 文件大小： | 303K |
| 代理商： | W29C022T-70B |
W29C022
Publication Release Date: April 2001
- 9 -
Revision A2
Command Codes for Boot Block Lockout Enable
BYTE SEQUENCE
BOOT BLOCK LOCKOUT FEATURE SET
ON FIRST 8K ADDRESS BOOT BLOCK
BOOT BLOCK LOCKOUT FEATURE SET
ON LAST 8K ADDRESS BOOT BLOCK
ADDRESS
DATA
ADDRESS
DATA
0 Write
5555H
AAH
5555H
AAH
1 Write
2AAAH
55H
2AAAH
55H
2 Write
5555H
80H
5555H
80H
3 Write
5555H
AAH
5555H
AAH
4 Write
2AAAH
55H
2AAAH
55H
5 Write
5555H
40H
5555H
40H
6 Write
00000H
00H
3FFFFH
FFH
Pause 10 mS
Boot Block Lockout Enable Acquisition Flow
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 40
to
address 5555
Pause 10 mS
Load data 00
to
address 00000
Boot Block Lockout
Feature Set on First 8K
Address Boot Block
Boot Block Lockout
Feature Set on Last 8K
Address Boot Block
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 40
to
address 5555
Pause 10 mS
Load data FF
to
address 3FFFF
Notes for boot block lockout enable:
1. Data Format: DQ7
DQ0 (Hex)
2. Address Format: A14
A0 (Hex)
3. If you have any questions about this command sequence, please contact the local distributor or Winbond Electronics Corp.
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相关代理商/技术参数 |
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| W29C040 | 制造商:WINBOND 制造商全称:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY |
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