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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ES51964 데이터시트(PDF) 4 Page - Cyrustek corporation |
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ES51964 데이터시트(HTML) 4 Page - Cyrustek corporation |
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4 / 33 page  v2.5 09/04/14 4 ES51964(6600counts) Dual Display 50 LPFC2 O Capacitor C2 connection for internal low-pass filter 51 LPFC3 O Capacitor C3 connection for internal low-pass filter 52 LPFOUT O Capacitor C1 connection for internal low-pass filter 53 SLEEP O Sleep mode indicator, asserts low in SLEEP mode. 54 VBAR I In temperature mode, it is used to control decimal point. In µA or mA modes, it is used to control the ‘µ’ or ‘m’ sign. 55 BUZIN I Pull to V- to enable the BUZOUT. 56 FREQ I Frequency counter input, offset V-/2 internally by the chip. 59 - 92 SEG34 – SEG01 O LCD segment line 01 – 34 93 BP4 O LCD backplane 4 94 BP3 O LCD backplane 3 95 BP2 O LCD backplane 2 96 BP1 O LCD backplane 1 97 ANNUNC O Square wave output at the backplane frequency, synchronized to BP1. ANNUNC can be used to control display annunciator. Connect a LCD segment to ANNUNC to turn it on; connect an LCD segment to its backplane to turn it off. 98 LCDCAP I LCD bias voltage bypass capacitor 99 HOLD I Pulse to V- to enable HOLD function. 100 RANGE I Pulse to V- to enable manual mode and manual range selection. 101 REL_ZERO I Pulse to V- to enable Relative function or Zero function. 102 KEY I Pulse to V- to change mode. In ADP mode, if this pin is connected to V-, the buzzer output will be off when the ADP input overflows. 103 MAX/MIN I Pulse to V- to enable MAX/MIN function. 104 NC - 105 BKLIT I Back light function. Pulse low to set BKOUT pin output. 106 RS232 I Assert low to enable serial data output. 107 BUZOUT O Outputs a 2KHz audio frequency signal for driving piezoelectric buzzer when BUZIN is low. 108 BKOUT O If BKLIT function is enabled, this pin will change from V- to V+ For 60 sec, once press BKLIT pin again within 60 sec, this pin will Change back to V-. 109 OSC2 O Crystal oscillator output connection 110 OSC1 I Crystal oscillator input connection 111 SHIFT I Pull to V- to enable display-shift feature on duty cycle mode 112 APOSEL I Idle time selection for auto power off feature. 113 VST I Pull to V- to enable the auto range voltage mode to start from 660.0V 114 LPFOFF I Pull to V- to disable the internal Low pass filter in measurement 115 CESEL I CE selection feature control pin. 116 FC5 I Switch 5 for function selection. 117 FC4 I Switch 4 for function selection. 118 FC3 I Switch 3 for function selection. 119 FC2 I Switch 2 for function selection. 120 FC1 I Switch 1 for function selection. 121 SLACDC I Select initial state. 122 SDO O Serial data output 123 C+ O Positive capacitor connection for on-chip DC-DC converter. 124 C- O Negative capacitor connection for on-chip DC-DC converter. 125 LBAT9 I Low battery configuration input. If battery is used, the low battery segment is displayed when the voltage of this pin is less than VRH (-1.23V) 126 V- P Negative supply voltage. 127 V- P Negative supply voltage. 128 V+ O Output of on-chip DC-DC converter. |
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