欢迎访问ic37.com |
会员登录 免费注册
发布采购

M29W400DT70ZA1 参数 Datasheet PDF下载

M29W400DT70ZA1图片预览
型号: M29W400DT70ZA1
PDF下载: 下载PDF文件 查看货源
内容描述: 4兆位( 512 KB ×8或256 KB ×16 ,引导块) 3 V电源闪存 [4 Mbit (512 Kb x 8 or 256 Kb x 16, boot block) 3 V supply Flash memory]
分类和应用: 闪存
文件页数/大小: 48 页 / 1025 K
品牌: NUMONYX [ NUMONYX B.V ]
 浏览型号M29W400DT70ZA1的Datasheet PDF文件第40页浏览型号M29W400DT70ZA1的Datasheet PDF文件第41页浏览型号M29W400DT70ZA1的Datasheet PDF文件第42页浏览型号M29W400DT70ZA1的Datasheet PDF文件第43页浏览型号M29W400DT70ZA1的Datasheet PDF文件第44页浏览型号M29W400DT70ZA1的Datasheet PDF文件第45页浏览型号M29W400DT70ZA1的Datasheet PDF文件第47页浏览型号M29W400DT70ZA1的Datasheet PDF文件第48页  
Block protection  
Figure 22. In-system equipment chip unprotect flowchart  
M29W400DT, M29W400DB  
START  
PROTECT ALL BLOCKS  
n = 0  
CURRENT BLOCK = 0  
RP = V  
ID  
WRITE 60h  
ANY ADDRESS WITH  
A0 = V , A1 = V , A6 = V  
IL  
IH  
IH  
IH  
WRITE 60h  
ANY ADDRESS WITH  
A0 = V , A1 = V , A6 = V  
IL  
IH  
Wait 10 ms  
WRITE 40h  
ADDRESS = CURRENT BLOCK ADDRESS  
A0 = V , A1 = V , A6 = V  
IL  
IH  
IH  
Wait 4 µs  
INCREMENT  
CURRENT BLOCK  
READ DATA  
ADDRESS = CURRENT BLOCK ADDRESS  
A0 = V , A1 = V , A6 = V  
IL  
IH  
IH  
DATA  
NO  
YES  
=
00h  
++n  
= 1000  
NO  
NO  
LAST  
BLOCK  
YES  
RP = V  
YES  
RP = V  
IH  
IH  
ISSUE READ/RESET  
COMMAND  
ISSUE READ/RESET  
COMMAND  
PASS  
FAIL  
AI03472  
46/48  
 复制成功!