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LC72341 Datasheet(PDF) 6 Page - Sanyo Semicon Device |
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LC72341 Datasheet(HTML) 6 Page - Sanyo Semicon Device |
6 / 12 page No. 5799-6/12 LC72341G/W, 72342G/W, 72343G/W When the Supply Voltage is Falling When the Supply Voltage is Rising Note: 3. Halt Mode Current Test Circuit Note: 4. Backup Mode Current Test Circuit All ports other than those specified in the figure must be left open. Set ports PC and PD to output. Select segments S13 to S20. All ports other than those specified in the figure must be left open. Set ports PC and PD to output. Select segments S13 to S20. Note: 2. The VSENSE voltage When the VDD voltage falls, the VSENSE flag is set at the point that voltage falls under 1.75 V (typical). The TST instruction can be used to read the value of the VSENSE flag. Applications can easily determine when the batteries are exhausted by monitoring this flag. After VSENSE is set when the supply voltage falls, it will not be reset if the supply voltage rises by less than 0.1 V, because the voltages detected by the VSENSE circuit differ when the supply voltage is falling and when the supply voltage is rising. |
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