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CMX608 数据表(PDF) 7 Page - CML Microcircuits |
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CMX608 数据表(HTML) 7 Page - CML Microcircuits |
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7 / 70 page ![]() RALCWI Vocoder CMX608/CMX618/CMX638 2014 CML Microsystems Plc 7 D/608_18_38/11 CMX608/ CMX618/ CMX638 L4/Q3 Signal Description Pin No. Name Type 19 EEC Digital Output Enable external CODEC, controlled by the C-BUS 20 REC Digital Output Reset external CODEC, controlled by the C-BUS 21 NC Reserved for future use. Do not connect to this pin. 22 VSS Power Negative Power Supply 0V 23 NC CMX608: Reserved for future use. Do not connect to this pin. CSEL Digital Input CMX618/CMX638: CODEC Select (Internal if '1', External if '0') This pin must be connected to either IOVDD or VSS. 24 IOVDD Power Digital I/O Positive Power Supply 3.3V 25 SYNC Digital Input/Output Synchronisation Input/Output. By default, this pin is an input and must be connected by the user to either IOVDD or VSS. 26 VSS Power Negative Power Supply 0V 27 XTALin Input Crystal Input 28 XTALout Output Crystal Output 29 IOVDD Power Digital I/O Positive Power Supply 3.3V 30 RESETN Digital Input General Reset (active low) 31 XTALSEL1 Digital Input These bits select the crystal/clock frequency, according to Table 1. 32 XTALSEL2 Digital Input 33 XTALSEL3 Digital Input 34 ENABXTAL Digital Input Enable Crystal Oscillator/External Clock Input 35 IOVDD Power Digital I/O Positive Power Supply 3.3V 36 NC Reserved for future use. Do not connect to this pin. 37 NC Reserved for future use. Do not connect to this pin. 38 NC Reserved for future use. Do not connect to this pin. 39 NC Reserved for future use. Do not connect to this pin. 40 NC Reserved for future use. Do not connect to this pin. 41 VSS Power Negative Power Supply 0V 42 CLK Digital Input C-BUS Serial Clock C-BUS 43 CDATA Digital Input C-BUS Command Data 44 RDATA Tri-state Output C-BUS Reply Data 45 CSN Digital Input C-BUS Chip Select (bar) 46 IRQN Open Drain Digital Output C-BUS Interrupt Request (bar) |
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