It should be noted all operations changing data in one of these registers is a nonvolatile operation and will take a maximum of 10ms. These can be read or written directly by the host and data can be transferred between any of the four data registers and the WCR. The WCR is a volatile register that is, its contents are lost when the X9241 is powered-down.Īlthough the register is automatically loaded with the value in R0 upon power-up, it should be noted this may be different from the value present at power-down.ĭata Registers Each potentiometer has four nonvolatile data registers. The contents of the WCR can be altered in four ways: it may be written directly by the host via the Write WCR instruction (serial load) it may be written indirectly by transferring the contents of one of four associated data registers via the XFR Data Register instruction (parallel load) it can be modified one step at a time by the Increment Decrement instruction finally, it is loaded with the contents of its data register zero (R0) upon power-up. Accurately calculating text height in cocoa for mac The WCR can be envisioned as a 6-bit parallel and serial load counter with its outputs decoded to select one of sixty-four switches along its resistor array. Xicor X9241 Ws Arduino Serial Load Counter Wiper Counter Register The X9241 contains four wiper counter registers (WCR), one for each E 2 POT potentiometer. Xicor X9241 Ws Arduino Serial Load Counter.
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