参数资料
型号: AT26DF321-SU
厂商: Atmel
文件页数: 18/34页
文件大小: 0K
描述: IC FLASH 32MBIT 66MHZ 8SOIC
标准包装: 95
格式 - 存储器: 闪存
存储器类型: DataFLASH
存储容量: 32M(16384 页 x 256 字节)
速度: 66MHz
接口: SPI 3 线串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.209",5.30mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
The tables below detail the various protection and locking states of the device.
Table 9-4.
Software Protection Register States
Sector Protection Register
Sector
WP
X
(Don't Care)
n (1)
0
1
n (1)
Unprotected
Protected
Note:
1. “n” represents a sector number
Table 9-5.
Hardware and Software Locking
WP
SPRL
Locking
SPRL Change Allowed
Sector Protection Registers
Unlocked and modifiable using the
0
0
Can be modified from 0 to 1
Protect and Unprotect Sector
commands. Global Protect and
Unprotect can also be performed.
Locked in current state. Protect and
0
1
Hardware
Locked
Locked
Unprotect Sector commands will be
ignored. Global Protect and
Unprotect cannot be performed.
Unlocked and modifiable using the
1
0
Can be modified from 0 to 1
Protect and Unprotect Sector
commands. Global Protect and
Unprotect can also be performed.
Locked in current state. Protect and
1
1
Software
Locked
Can be modified from 1 to 0
Unprotect Sector commands will be
ignored. Global Protect and
Unprotect cannot be performed.
18
AT26DF321
3633F–DFLASH–5/7/08
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