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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  
DESCRIPTIONS  
The Enable SQE Checking controls the enable of SQE checking.  
The SQE checking is only available while EMC is operating on 10M  
bps and half duplex mode. In other words, the EnSQE cannot affect  
EMC operation, if the EMC is operating on 100M bps or full duplex  
mode.  
[17]  
EnSQE  
1’b0: Disable SQE checking while EMC is operating on 10Mbps and  
half duplex mode.  
1’b1: Enable SQE checking while EMC is operating on 10Mbps and  
half duplex mode.  
The Send PAUSE Frame controls the PAUSE control frame  
transmission.  
If S/W wants to send a PAUSE control frame out, the CAM entry 13,  
14 and 15 must be configured first and the corresponding CAM  
enable bit of CAMEN register also must be set. Then, set SDPZ to 1  
enables the PAUSE control frame transmission.  
The SDPZ is a self-clear bit. This means after the PAUSE control  
frame transmission has completed, the SDPZ will be cleared  
automatically.  
[16]  
SDPZ  
It is recommended that only enables SPDZ while EMC is operating  
on full duplex mode.  
1’b0: The PAUSE control frame transmission has completed.  
1’b1: Enable EMC to transmit a PAUSE control frame out.  
[15:10]  
[9]  
Reserved  
NDEF  
-
The No Defer controls the enable of deferral exceed counter. If  
NDEF is set to high, the deferral exceed counter is disabled. The  
NDEF is only useful while EMC is operating on half duplex mode.  
1’b0: The deferral exceed counter is enabled.  
1’b1: The deferral exceed counter is disabled.  
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