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ES235 Folha de dados(PDF) 5 Page - Cyrustek corporation |
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ES235 Folha de dados(HTML) 5 Page - Cyrustek corporation |
5 / 37 page V 2.2 5 2015/12/15 ES235 4000 Counts DMM / Peak Pin Description ( Continued ) Pin No Symbol Type Description 99 RS232 I Assert low (V-) to make serial data output function not available. 100 OSC2 O Crystal oscillator output connection. 101 OSC1 I Crystal oscillator input connection. 102 RSOUT O Serial data output. 103 PEAK I Pulse to V- to enable the PEAK Hold function. 104 HZ I Pulse to V- to enable VAHZ mode or duty cycle measurement in Freq. mode. 105 MMX I Pulse to V- to enable MAX/MIN function. 106 REL I Pulse to V- to enable/disable Relative function or Zero function. Pulse to V- larger than one second to enable/disable RS232 output. When RS232 output is enabled, the APO will be disabled automatically. 107 BKLIT I Back light function. Pulse low to set BKOUT pin output. 108 KEY I Pulse to V- to change mode. 109 HOLD I Pulse to V- to enable HOLD function. Pulse to V- larger than one second to enable Delayed Hold function. 110 RANGE I Pulse to V- to enable manual mode and manual range selection. 111 FC5 I Switch 5 for function selection. 112 FC4 I Switch 4 for function selection. 113 FC3 I Switch 3 for function selection. 114 FC2 I Switch 2 for function selection. 115 FC1 I Switch 1 for function selection. 116 SLACDC I Select initial DC/AC state. 117 CN O Negative capacitor connection for on-chip DC-DC converter. 118 CP O Positive capacitor connection for on-chip DC-DC converter. 119 LBAT9 I Multi-level low battery configuration input. Simple external resistor divider is required. 120 V- P Negative supply voltage. 121 V- P Negative supply voltage. 122 V+ O Output of on-chip DC-DC converter. 123 V+ O Output of on-chip DC-DC converter. 124 DGND P / G Digital ground. 125 AGND P / G Analog ground. 126 AGND P / G Analog ground. 127 PEAKH I / O Maximum peak hold output. Connected to a polyester capacitor 128 PEAKL I / O Minimum peak hold output. Connected to a polyester capacitor Note: Pin91-Pin96 are 4-level logic definition: (V+/DGND/Floating/V-), see section Operation mode |
Nº de peça semelhante - ES235 |
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Descrição semelhante - ES235 |
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