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ZIOL2102 数据表(PDF) 84 Page - List of Unclassifed Manufacturers |
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ZIOL2102 数据表(HTML) 84 Page - List of Unclassifed Manufacturers |
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84 / 91 page  ZIOL2xxx – IC Family IO-Link compliant HV Line Driver IC Family Data Sheet January 31, 2012 © 2012 Zentrum Mikroelektronik Dresden AG — Rev. 2.2.1 All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to changes without notice. 84 of 90 behavior when reading the peak register as shown in Figure 10.4. The peak register is loaded with the overload counter value again as long the over-temperature situation is present. Figure 10.4 Overload Counter Behavior in typical Over-Temperature Situations A.3. Overload Counter and Lock Reset Methods The ZIOL2xxx has two special status registers (register[16:17]). Those status registers do not contain information about the IC status. Thus reading those registers will always result to the value zero for each register. However those registers are used to perform special resets within the COM, AUX, and temperature lock circuits. In addition to that register[16] can also reset the WURQ exception. The way to perform a particular reset operation is writing into the register (write 24 pulse access; please refer to chapter 3.3.9) the bit-value “1” at a certain bit position which is assigned to the desired reset operation. Register[16] performs the following reset operations by writing a “1” into the following bit positions: Bit[0]: Reset over-temperature counter and reset of the internal and stored over-temperature (OVT) exception Bit[1]: Reset the COM over-current counter and reset of the internal and stored COM 24 Note: IC versions ZIOL2xx2 do not allow any write access. |
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