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POWER FAIL RESET FOR HC11 Disclosure Number: IPCOM000005942D
Original Publication Date: 1990-Oct-01
Included in the Prior Art Database: 2001-Nov-19

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Yona Newman


In very low cost applications with a single chip HCll, the MC34064 low-voltage detector for reset can be replaced by a simply zener diode. As shown in Figure 1, the zener diode VRl is connected from the 12V input supply to one of the micro's input capture pins (PA@ 1 or 2).