87SCHEMATIC DIAGRAM NX-700/700HX57-738 (A/2) 8/16ANAMALAKAJC13OPT10SELOPT5OPT4OPT1OPT2OPT3OPT8OPT7OPT11OPT6I2CDTI2CCKSDO1SCK1TONESW/PCSSDO0SCK0/EVCSSTSWR503 1kMICRXAFW_/NCVBLVLTHP2BEEPTONEMODKEYo2MICADC0MoDDACMICADC1MICVRSPDACKEYo0KEYo1KEYo3KEYo4PWM2SPCK0SPCS02SPCS00SPCS01SPCK1SPCS12SPCS11SPCS101MR612R687 4.7kR688 4.7kDD/WPI2CCKI2CDTRXD3T8U7V7U6SPI1SPo1R14A9C10V4U5T6U4T4V5SPI0SCKSDTRXD3SPo0V610u6.30.1uC533C535V8R597R587 1kR568 1kR5911kK3J3K1K2H1T5G3H2H3J1J2 ADC8ADC7ADC4ADC5ADC6ADC9V13U12R4P4 PWM1V12T10L2R9V11U10T11U11T12KEYI0KEYI1KEYI2KEYI3KEYI4TIV14TXD3RXD2T14RXD2TXD1RXD1TXD2RTS0CTS0T15V15U15R15TXD1TXD2RXD1RTS0CTS0AMTHDS2/HDS2RXD0TXD0R18T18R16RXD0TXD0CS0HRADYCS2CS1B12D14A14B13/CS0/HRDY/CS2M17F17C15READ/RDCS4CS3BLEBHEA13D13B14C14/CS3DT15WRITEDT13DT14A15A16E15D15D15/WRD13D14DT8D8DT11DT12DT10DT9B15D16D18D17D11D12D9D10DT6DT7DT5DT4F16E17G16E18D6D7D5D4MCUIC510M15ADD21DT2DT3DT1DT0G15F18H16G17D3D2D0D1ADD19ADD20ADD18ADD17P15J16H15N15A19A20A18A17ADD12A12ADD14ADD15ADD16ADD13K15J15P16M16A14A16A15A13ADD11ADD10ADD9ADD8P17K16L16N17A11A10A9A8A11ADD3A3ADD5ADD6ADD7ADD4J17K17N18M18A5A6A7A4ADD1ADD2ADD0USRCKIJ18L18K18H18A1A2A032K/RINTXTALI32IDSPCKCKoXTALoA12B11A10B4A422R569NC25NC28NC27NC26NC30IFIRMICIRADC1NC29NC14NC13NC12NC11NC24NC19NC20NC23NC22NC21NC18NC17NC16NC15NC10NC9NC8NC7NC6NC5NC4NC3NC2NC1T17R13F15T16D5J4F3T1N4100kR720R572 221kR577U18V18U2U1V17D6C18C16A3D4B16C5C3V2V1A2B17U17B18A18A17B2B1A11k33A_2/HINT33A_232KSCBSY33A_2HD2X2_CLKIN X2_CLKINHD2ASQDETSCBSY1MR611I2CCKI2CDTMPL+11 1122 22344543666 66888889999955 5555TX-RX UNIT (X57-738X-XX) (A/2)