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FS970X データシート(PDF) 9 Page - Fortune Semiconductor Corp. |
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FS970X データシート(HTML) 9 Page - Fortune Semiconductor Corp. |
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9 / 46 page  FS970X Rev. 4.4 9/46 Pin Description 64 PIN LQFP pin Pin Type Symbol Description 1 DPI VSSD Global Ground（-3.2 V）. 2-3 DIO XTALI,XTALO The terminals of crystal oscillator circuit 4 DO BZR The Output terminal of BUZZER function 5 DO IRQO The Interrupt output terminal when updating data 6-9 DIO AD<3:0> The I/O ports of Address and Data Lines 10 DI RD_ When Active_low, read values from FS970X 11 DI WR_ When Active_low, write values to FS970X 12 DI ALE When Active_Hi, AD<3:0> acts as address line 13 DI CS_ When Active_low, enable FS970X interface 14 DPI VCC Digital power supply（+1.8 V） 15 DI RST_ Reset all the registers to “0” when Active_low 16 AIO CPN The connector of the compensation capacitor at ACV function 17 AIO FTC The terminal of pre-filter capacitor 18-22 AIO TENM,ONEM,HUNK,TENK,ONEK The terminal of resistors of router 23-24 AIO FTA,FTB The terminal of pre-filter capacitor 25 AI SGND The sensing point of analog ground 26 API AGND Analog ground（0 V） 27 API VDDA Positive analog power supply（+3.0 V） 28 AIO SMV The input of DCmV function 29 AIO SA The terminal of current function 30 AIO SDB The negative terminal of reference under resistance measurement 31 AI ADRF The input of the voltage reference of ADC 32 API VSSA Negative analog power supply（-3.2 V）. 33 AI REFH The output of Zener diode 34 AIO CSFB The terminal of Zener diode function 35-36 AIO ACH, ACL The output terminals of AC-to-DC function 37-38 AIO ACB, ACA The connection of AC buffer OPAMP 39-40 AIO RCTP, RCTN The terminal of OPAMP of AC-to-DC function 41 AIO RCTO The output terminal of OPAMP of AC-to-DC function 42-43 AIO ACHO, ACLO The output terminals of rectify function of AC-to-DC measurement 44-48 AIO AX1-AX5 The input terminal of ADC 49 AO DVO The output terminal SDV through an analog switch control 50 APO GNDR The analog ground of internal voltage regulator (0 V). 51 PO VDDS The output terminal VDD through an analog switch control 52 PI VDDP The power supply of regulator (+3.0 V) 53 DPO VCCR The output of regulator（+1.8 V） 54 DPO VCCS The output terminal VCC through an analog switch control 55-57 DOI VCC Digital power supply（+1.8 V） 58 DO OSCO The output of crystal oscillator circuit (the output frequency can be programmable) 59-61 NC No use. 62 DO CMP1 The output of comparator 63 DI FCNTI The input terminal of frequency counter 64 P VBAT The terminal of battery 1) D － (Digital) 2) A － (Analog) 3) P － (Power) 4) O － (Output) 5) I － (Input) 6) For example, DIO stands for Digital Input and Output pin. |
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