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ES51960 Scheda tecnica(PDF) 5 Page - Cyrustek corporation |
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ES51960 Scheda tecnica(HTML) 5 Page - Cyrustek corporation |
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5 / 23 page  5 92年8月4日 ES51960 3 3/4 Auto DMM Pin. No Symbol. Description. 73 BUZIN Buzzer control input. When Connected BUZIN to -3V turns the buzzer on.(2.0 KHZ continue signal) 74 BUZOUT Buzzer output. Audio frequency (2.0KHz) output which drives a piezoelectric buzzer. 75 PH1 Phase output 1,for capacitance measurement. 76 PH2 Phase output 2,for capacitance measurement. 77 PH3 Phase output 3,for capacitance measurement. 78 PH4 Phase output 4,for capacitance measurement. 79 OSC1 Crystal oscillator (input) connection. 80 OSC2 Crystal oscillator (output) connection. 81 BKOUT If BKLIT function is enabled , this pin output will change from -3V to +3V for 60 sec, once pressed BKLIT pin again within the 60 sec, this pin output will change back to –3V. 82 KEY Mode change pin. 83 REL Input to get relative display. Pulse low to make this function active. 84 MAX/MIN Input to set MAX/MIN display. Pulse low to make this function active. 85 HOLD Input to hold display. Pulse low to make this function active. 86 RANGE Input to set automatic/manual mode and manual range selection. Pulse low to make this function active. 87 FC5 Switch 5 for function selection. 88 FC4 Switch 4 for function selection. 89 FC3 Switch 3 for function selection. 90 FC2 Switch 2 for function selection. 91 FC1 Switch 1 for function selection. 92 LBAT9 Low battery voltage setting. If used 3V battery, connected this pin to AGND, the default low battery voltage will be –2.3V. If used 9V battery, when the input voltage is small than VRH(-1.2V), the low battery annunciator will be display. 93 SDO Serial data output. 94 C+ Positive capacitor connection for on-chip DC-DC converter. 95 C- Negative capacitor connection for on-chip DC-DC converter. 96 V- Negative supply voltage. Connecting to battery negative terminal. 97 V- Negative supply voltage. Connecting to battery negative terminal. 98 DGND Digital ground, connected to battery positive terminal. 99 AGND Analog ground. 100 AGND Analog ground. |
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