11AAXXX/11LCXXX
5.0
DATA PROTECTION
6.0
POWER-ON STATE
The following protection has been implemented to
prevent inadvertent writes to the array:
? The Write Enable Latch (WEL) is reset on power-
up
? A Write Enable ( WREN ) instruction must be issued
to set the write enable latch
? After a write, ERAL, SETAL, or WRSR command,
the write enable latch is reset
? Commands to access the array or write to the
status register are ignored during an internal write
The 11XX powers on in the following state:
? The device is in low-power Shutdown mode,
requiring a low-to-high transition on SCIO to enter
Idle mode
? The Write Enable Latch (WEL) is reset
? The internal Address Pointer is undefined
? A low-to-high transition, standby pulse and subse-
quent high-to-low transition on SCIO (the first low
pulse of the header) are required to enter the
active state
cycle and programming is not affected
.
TABLE 6-1:
WRITE PROTECT FUNCTIONALITY MATRIX
WEL
0
1
Protected Blocks
Protected
Protected
Unprotected Blocks
Protected
Writable
Status Register
Protected
Writable
? 2010 Microchip Technology Inc.
Preliminary
DS22067H-page 17
相关PDF资料
1206704-4 FOENC 1U SOLARIUM MTRJ
1301350343 ANGL PWR DIST BX 125V15A 6
1301350372 PORT OUTLT BX W/(2)5-20&(2)L5-20
1301360074 MULTI-TAP W 4FT 12-3-SO 2608PLUG
1301370282 3070-GFI WITH 5' 14/3 CORD
1301380054 OUTLT BOX 4 5-20DUP BLK FLIPLIDS
1301380110 MULTI OUTLT BOX 3 5-20 DUP 3PH
1318690-1 025 IDC PLUG ASSY 8P
相关代理商/技术参数
11LC161-E/SN 功能描述:电可擦除可编程只读存储器 16K 2048 X 8 2.5V SERIAL EE EXT RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
11LC161-ECS16K 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet
11LC161-EMNY 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet
11LC161-EMS 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet
11LC161-EP 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet
11LC161-ESN 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet
11LC161-ETO 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet
11LC161-ETT 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K-16K UNI/O? Serial EEPROM Family Data Sheet