M65845AFP

P ric ; Th ice aramet t o N ep som a subje M Inot a fin I re L s R E is is limit a e ion Y icat o chang f R i c e N A l sp ct t . . MITSUBISHI SOUND PROCESSOR ICs M65845AFP DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT DESCRIPTION The M65845AFP is a CMOS IC built-in Digital Echo function with microphone peripheral circuits for "Karaoke" equipment packed in a single chip. It is suitable for "Karaoke" equipments such as Video CD Player,Mini Stereo, CD-Radio cassette,TV or VCR. Being pin compatible with the M65845FP,the M65845AFP is suitable for upgrading the series. PIN CONFIGURATION MIC1 INPUT 1 ALC1 CONTROL 2 36 VOCAL CUT FILTER 35 ALC SUPPLY VOLTAGE CONTROL FEATURES High performance digital echo circuit thanks to 16Kbit memory Two microphone-mixing lines,vocal cut circuit,digital echo, and line-mixing amplifier are contained,enabling singlechip package of microphone peripheral circuit of "Karaoke" equipment. ALC-equipped microphone amplifiers permit excessively high-input. ALC operating voltage can be set as desired. Vocal cut circuit of complete stereo construction Compatibility with the M65845FP Built-in current-control oscillation circuit Built-in automatic reset circuit activated with power on Single power supply (5V) MIC1 NF INPUT 3 MIC1 OUTPUT 4 34 AUDIO SW2 33 AUDIO SW1 M65845AFP 36P2R MIC1 VOLUME INPUT 5 MIC2 INPUT 6 ALC2 CONTROL 7 MIC2 NF INPUT 8 MIC2 OUTPUT 9 MIC2 VOLUME INPUT 10 MIC OUTPUT 11 LOWPASS FILTER1 INPUT 12 LOWPASS FILTER1 OUTPUT 13 ...