m65856sp Renesas Electronics Corporation., m65856sp Datasheet
m65856sp
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m65856sp Summary of contents
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... Digital Echo with Mic-mixing Circuit Description The M65856SP is a CMOS IC that has a microphone peripheral circuit and an echo generation circuit for karaoke use single chip. Its Karaoke function makes it ideal for video CDs, mini-compos, CD radio cassette players, VIRs and other similar devices ...
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... M65856SP Pin Configuration System Block Diagram SOURCE Lch SELECTOR INPUT L R (L+R)/2 Rch VOCAL INPUT CUT ALC MIC VOL MIC1 ALC MIC VOL MIC2 Rev.1.0, Sep.22.2003, page MIC SW 1 DATA 41 MCLKCONT 2 CLOCK 3 VALC 40 LATCH 39 MIC1IN 4 PS2 ALC1 38 PS1 5 37 ...
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... M65856SP Description of Pin Pin Symbol Name no. 1 MIC SW Mic switch 2 MCLKCONT Oscillator input 3 VALC ALC operating voltage setting 4 MIC1IN Mic 1 input 5 ALC1 ALC1 control 6 MIC1NFIN Mic 1 negative feedback input 7 MIC1OUT Mic 1 output 8 MIC1VOLIN Mic 1 volume input 9 MIC2IN Mic 2 input 10 ALC2 ALC2 control ...
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... M65856SP Description of Pin (cont) Pin Symbol Name no. 35 ROUT Right channel line output 36 LOUT Left channel line output 37 VCFIL Vocal Cut filter 38 PS1 Phase shifter 1 39 PS2 Phase shifter 2 40 LATCH Latch 41 CLOCK Clock 42 DATA Data Absolute maximum ratings Symbol Item ...
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... M65856SP Block Diagram PHASE -COM I/F SHIFTER SURROUND MCLK ALC Rev.1.0, Sep.22.2003, page (L+ TEREO ECHO ECHO VOL F.BVOL MIC MIC VOL VOL ALC ...
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... M65856SP Electrical Characteristics Symbol Item Total Icc Current drawn by the circuit Mic amplifier Gvo Amplifier bare gain THD1 Output distortion THD2 Output distortion VoALC ALC operating voltage measurement TAL CAT ALC attack time TAL CRE ALC recovery time VoMAX Maximum output voltage ...
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... M65856SP Electrical Characteristics (cont) Symbol Item Line Gv Gain between input/output THD Output distortion VoMAX Maximum output voltage No Output noise voltage CS Channel separation Zi Input impedance Grej Vocal elimination ratio Rev.1.0, Sep.22.2003, page Measurement conditions Limits Min. –3 30 kHzLPF — THD = 10% 1 ...
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... M65856SP Serial Data Format This product is controlled by the serial data in the format indicated below. DATA (Pin 42) is read on the rising edge of CLOCK (Pin 41), and the 16 bits of data, which are filled in starting from the right, are loaded on the rising edge of LATCH (Pin 40). ...
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... M65856SP (Usage Precautions the power supply is turned on when DATA (Pin 42), CLOCK (Pin 41), and LATCH (Pin 40) are all “H”, the mode switches to the Test mode. Please be aware that the settings in this mode are different from those in the mode following an auto reset. ...
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... M65856SP Input selector switch Data Setting D0 D10 L L External key control supported (Note) H External key control not supported (pass-through) Note: Only monaural signals are supported as output signals to external key control (Pin 34: SOURCEOUT), so when external key control is supported, the source selectors should be set to a setting other than “Stereo”. (If set to “ ...
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... M65856SP Explanation of Functions (1) Auto reset When the power supply is turned on, a reset is carried out automatically, and after approximately 120 ms (Vcc = 5 V, REF pin F), the function settings are set as described below. Delay time setting: 104.0 ms Source selector: Stereo Phase shifter surround setting: OFF ...
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... M65856SP (3) Clock oscillation circuit This IC incorporates a current control-type oscillation circuit. The oscillation circuit can be configured simply by connecting a resistor for current control to Pin 2 (MCLKCONT). Moreover, the clock is completely internal, so the generation of unnecessary oscillation can be prevented because the clock does not affect anything external to the circuit. ...
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... M65856SP (5) ALC level diagram Vo(dBV (6) ALC operating voltage setting The ALC operating voltage may be set to any desired value within a range of -10 dBV to +3 dBV, depending on the value of the direct current voltage applied to Pin 3 (ALC operating voltage setting). Peak voltage Vpo of ...
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... M65856SP (7) Digital echo input/output low-pass filter The digital echo input/output low-pass filter is configured as shown below. 2.2 14 24k Input The precision of the resistance in the IC is approximately 30%. The cutoff frequency (fc follows: 1 fc= 2 24k The quality factor ( follows 0. (8) Auto Vocal Support When the Karaoke function is used, and when the Audio Signal Source selector is set to “ ...
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... M65856SP Timing at which the presence/absence of a mic input signal is detected Mic volume input signal Level detection Judgment as to whether there is a mic input signal (9) Vocal Cut This eliminates the vocal component from ordinary music sources (stereo). Normally, the vocal component occupies a center fixed position, and is input to the L and R channels at the same phases and same amplitude. Consequently, Lch – ...
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... M65856SP (10) Phase shifter block Phase shifter Lch INPUT surround circuit Rch INPUT Source selector L R (L+ Vocal Cut Stereo Rev.1.0, Sep.22.2003, page (external) = 0.022 F 39 Surround Pseudo-stereo Stereo surround Lch OUTPUT Rch OUTPUT ...
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... M65856SP Application Example 0.022 0. PHASE -COM I/F SHIFTER SURROUND MCLK ALC 56k 4.7 MIC SW Vcc 1.0 Vcc 10k 51k MIC1IN 0.01 22k Note: Where capacitors are marked with a “K”, K-rank capacitors should be used. Where capacitors are marked with “NP”, capacitors with no polarity should be used. ...
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... M65856SP Package Dimensions c Rev.1.0, Sep.22.2003, page ...
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Sales Strategic Planning Div. Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble ...