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MCP4132-502E/MS 参数 Datasheet PDF下载

MCP4132-502E/MS图片预览
型号: MCP4132-502E/MS
PDF下载: 下载PDF文件 查看货源
内容描述: 7/8位单/双SPI数字电位器具有易失性存储器 [7/8-Bit Single/Dual SPI Digital POT with Volatile Memory]
分类和应用: 转换器电位器数字电位计存储电阻器光电二极管
文件页数/大小: 88 页 / 2525 K
品牌: MICROCHIP [ MICROCHIP ]
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MCP413X/415X/423X/425X  
4.2.1.2  
Terminal Control (TCON) Register  
This register contains 8 control bits. Four bits are for  
Wiper 0, and four bits are for Wiper 1. Register 4-2  
describes each bit of the TCON register.  
The state of each resistor network terminal connection  
is individually controlled. That is, each terminal  
connection (A, B and W) can be individually connected/  
disconnected from the resistor network. This allows the  
system to minimize the currents through the digital  
potentiometer.  
The value that is written to this register will appear on  
the resistor network terminals when the serial  
command has completed.  
On a POR/BOR this register is loaded with 1FFh  
(9-bits), for all terminals connected. The Host  
Controller needs to detect the POR/BOR event and  
then update the Volatile TCON register value.  
© 2008 Microchip Technology Inc.  
DS22060B-page 35