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W90N745CDG 参数 Datasheet PDF下载

W90N745CDG图片预览
型号: W90N745CDG
PDF下载: 下载PDF文件 查看货源
内容描述: 16位/ 32位ARM微控制器 [16/32-bit ARM microcontroller]
分类和应用: 微控制器和处理器外围集成电路时钟
文件页数/大小: 422 页 / 2455 K
品牌: WINBOND [ WINBOND ]
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W90N745CD/W90N745CDG  
Continued.  
BITS  
DESCRIPTION  
Valid time of nWAIT signal  
W90N745 recognizes the nWAIT signal at the next “nth” MCLK  
rising edge after the nOE or nWBE active cycle. WAITVT bits  
determine the n.  
WAITVT [2:1]  
nth MCLK  
[2:1]  
WAITVT  
0
0
1
1
0
1
0
1
1
2
3
4
Little Endian mode  
After power on reset, the content of LITTLE is the Power-On Setting  
value from D14 pin. If pin D14 is pull-down, the external memory format  
is Big Endian mode. If pin D14 is pull-up, the external memory format is  
Little Endian mode. For more detail, refer to Power-On Setting of System  
Manager.  
[0]  
LITTLE  
NOTE: This bit is read only.  
Publication Release Date: September 22, 2006  
- 63 -  
Revision A2  
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