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数据搜索系统，热门电子元器件搜索 |
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FS501 数据表(PDF) 10 Page - Fortune Semiconductor Corp. |
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FS501 数据表(HTML) 10 Page - Fortune Semiconductor Corp. |
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10 / 31 page  Terminal Description SOP 40 LQ 44 Attribute Name Function 1 18 AI SGND Signal Ground 2 19 API AGND Power Supply Ground for Analog Signal (+2.5 V) 3 20 API VDDA Power Supply VDD for Analog Signal（+5 V） 4 21 AIO SMV Input of Analog Signal Na 22 AIO SDB Reference Resistance Bottom Input for the (Thermistor) Resistance Measuring 5 23 AI ADRF Input Reference Voltage of the ADC 6 24 API VSSA Power Supply VSS (0V) of the Analog Signal 7 25 AI REFH Reference Voltage Input of the Embedded Analog Power Source 8 26 AIO CSFB Current Source Feedback 9-10 27-28 AIO ACB, ACA ACBUF Op Amp Terminals 11-12 29-30 AIO RCTP, RCTN Inputs of RCTOP Op Amp 13 31 AIO RCTO Output of RCTOP Op Amp 14 32 AIO AX3 Programmable Input Channel 3 Na 33 AIO AX4 Programmable Input Channel 4 Na 34 AIO AX5 Programmable Input Channel 5 15 35 AIO AX2 Programmable Input Channel 2 16 36 APO GNDR Analog Ground Output of the Embedded Voltage Regulator (+2.5 V) 17 37 PO VDDS VDD Output Via Internal Switches 18 38 PI VDD VDD (+5V) Input for Voltage Regulator 19 39 DPO VCCR VCC (+5 V) Output from the Voltage Regulator 20 40 DPO VCCS VCC Output Via Internal Switches 21-22 41 DPI VCC Power Supply VCC (4~5V) for Digital Signal Na 42 AI VBAT Input of Power Low Detector 23 Na DO OSCO Crystal Oscillation Output. It can be used by the microprocessor directly. 24 43 DPI VSSD VSS (0V) for Digital Signal 25-26 44-1 DIO XTALI, XTALO Crystal Oscillator Inputs 27 2 DO IRQO Interrupt Output Signal for Measure Events 28-31 3-6 DIO AD<3:0> Data Input/Output of the Microprocessor Interface 32 7 DI RD_ Read Terminal of the Microprocessor (Active Low Oriented) 33 8 DI WR_ Write Terminal of the Microprocessor (Active Low Oriented) 34 9 DI ALE Address Latch Enable of the Microprocessor. When it is high, AD<3:0> is the address bus. 35 10 DI CS_ Chip Select of the Microprocessor Interface (Active Low Oriented) 36 11 DPI VCC VCC (+4V) for Digital Signal 37 12 DI RST_ Reset. It is low to reset all the internal registers to zero. 38 13 AIO FTC Terminal of the Pre RC Filter Na 14-15 AIO TENM, HUNK Reference Resistance Terminals for the (Thermistor) Resistance Measuring 39-40 16-17 AIO FTA, FTB Terminals of the Pre RC Filter Notations: 1. D stands for Digital. 2. A stands for Analog 3. P stands for Power. 4. stands for Output. 5. I stands for Input. 6. For example: DIO means “Digital Input/Output” |
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