ASAHI KASEI [AK2347] AK2347 LSI (3.388kHz,3.290kHz) CTCSSLPF (3.6864MHz,3.579545MHz) 2.7V3.3V -40+85 CMOS 24VSOP AK2347 CTCSSLPFIC HPF250HzCTCSS 2.55kHz3.0kHz CPU (Topview) AGNDIN 1 24 RXIN AGND 2 23 RXINO TXINO 3 22 FILTERO TXIN 4 21 RXOUT EXTIN 5 20 DINO EXTINO 6 19 DIN LIMLV 7 18 RSAOUT MOD 8 17 TSAOUT VSS 9 16 VDD SDATA 10 15 XOUT SCLK 11 14 XIN CSN 12 13 TEST MS0375-J-00 2005/01 -1- ASAHI KASEI [AK2347] ....................................................................................... ....................................................................................... .............................................................................. .............................................................................. .............................................................................. .............................................................................. .............................................................................. DC ........................................................................... ........................................................................ .............................................................................. .............................................................................. ..................................................................... AC..................................................................... ..................................................................... ..................................................................... .............................................................................. ........................................................................... MS0375-J-00 2005/01 -2- ASAHI KASEI [AK2347] TXINO 3 4 TXIN RXINO + TXA1 RXIN Compressor VR3 TXSW2,1 LMT 8 Adder TX/RX _HPF TXRX + RXA1 7 fc = 300Hz PreEmphasis -6 to +4.5/1.5dB 23 24 VR1 (HPF) 6 + TXA2 EM TC LIMLV EXTIN 5 TXRX Splatter VR2 Limiter Scrambler/ Descrambler HPF RXLPF DeEmphasis PCONT -4 to +3.5/0.5dB RXSW 21 Expander EM MOD SMF fc = 2.55kHz /3.0kHz -9.6 to +3.0 /0.2dB 22 VR4 SMF RXOUT -18,-4.5 to +4.5 /0.25dB TC FILTERO FILSW2,1 14 20 Power ON at Mode 3,4 Power ON at Mode 2,3,4 XIN OSC 15 SASW -6 to +6/ 0.5dB Control Register 13 16 9 + MS0375-J-00 2005/01 -3- 2 1 + + AGND 12 AGNDIN 11 VSS 10 VDD 17 18 TEST SASW XOUT AGND CSN VR5 SCLK + DTA1 Power ON Power ON at Mode 1,2,3,4 at Mode 2,4 Sub-Audio Programmable LPF SDATA 19 DIN 3.6864MHz / 3.579545MHz RSAOUT DINO TSAOUT EXTINO ASAHI KASEI [AK2347] SCF TXA1 30dB 10kHz VR1 (HPF) VR1210-6.0+4.51.5dB/step dB1/2 Compressor :-10dBxTCON/OFF Pre-emphasisS/N TX/RXHPF Scrambler/ Descrambler TXA2 Adder Limiter VR2 Splatter SMF RXA1 VR3 250HzHigh-pass HPFON/OFF 3.388kHz3.290kHz EM,PCONT 0dB10kHz TXSW2, 1 LIMLV DC LMTON/OFF MODVR2520 -3.2+3.00.2dB/step-6.4/0dB MSK3kHz Low-passSPL SCFSmoothing SCF 20dB 40kHz VR3330-4.0+3.50.5dB/step RXLPF3kHzLow-pass De-emphasisPre-emphasis Expander VR4 DTA1 Sub-Audio ProgrammableLPF CompressordB2 -10dBxTCON/OFF VR4540-18.0,-4.5+4.50.25dB/step Sub-AudioLPF 0dB 10kHz DTA1Low-pass RXA1 SASWSA5SA0 MS0375-J-00 2005/01 -4- ASAHI KASEI [AK2347] Sub-AudioLPF VR5 VR5450-6.0+6.00.5dB/step AGND(1/2VDD) 3.6864MHz3.579545MHz MCKSL 1+ IC RSTN OSC Control Register AI AO 1 AGNDIN 2 AGND 3 TXINO 4 TXIN 5 EXTIN 6 EXTINO AO 7 LIMLV DC AI 8 MOD AO 9 VSS 10 SDATA AO Z TXA1 TXA1 AIZ TXA2 AIZ TXA2 Z PWR- 0V DBZ MS0375-J-00 2005/01 -5- ASAHI KASEI [AK2347] 11 SCLK DIZ 12 CSN DIZ 13 TEST 14 XIN 15 XOUT DOL XOUT3.6864MHz3.579545MHz DB IC DI PWR-2.73.3VVSS 0.1uF 16 VDD 17 TSAOUT AO Z Sub-Audio 18 RSAOUT AO Z Sub-Audio 19 DIN DTA1 AIZ CPU 20 DINO AO Z DTA1 21 RXOUT AO Z 22 FILTERO RXLPFTX/RXHPF AOZ 23 RXINO AO 24 RXIN RXA1 AIZ Z RXA1 A:Analog,D:Digital,PWR:Power,I:Input,O:Output,B:Bidirectional,Z:High-Z,L:Low 30k50pF 10k50pF AGND AGND+0.256(VDD-AGND) XOUTXIN MS0375-J-00 2005/01 -6- ASAHI KASEI [AK2347] Min. Max. VDD 0.3 4.6 V VSS 0 0 V VIN0.3VDD+0.3 V IIN 10+10 mA Tstg55 130 VSS Min.Typ.Max. Ta40 85 VDD2.73.03.3 V AGND 1/2VDD V VSS DC VIH1SDATA VIH2SCLK,CSN VIL1SDATA VIL2SCLK,CSN VIH=VDD IIH SDATA,SCLK,CSN VIL=0V IIL SDATA,SCLK,CSN IOH=+0.2mA VOH SDATA IOL=0.4mA VOL SDATA MS0375-J-00 Min. 0.7VDD 0.8VDD Typ. Max. 0.3VDD 0.2VDD V V 10 uA 10 uA VDD0.4 VDDV 0.00.4V 2005/01 -7- ASAHI KASEI [AK2347] Min. Typ. Max. 3.6864 MCK XIN, XOUT 3.579545 VMCK1IHXIN 1.5 MHz V 1) V 1) VMCK1ILXIN 0.4 VMCK2XIN 0.2 1.0 VPP2) 1)XIN 7) 2)DCXIN7) IDD0 IDD1 IDD2 Mode0 OSC:OFF,:OFF,SubAudio:OFF Mode1 OSC:ON,:OFF,SubAudio:OFF Mode2 OSC:ON,:ON,SubAudio:OFF Min. Typ. Max. 0.08 0.14 0.7 1.0 mA 4.5 5.8 IDD3 Mode3 OSC:ON,:OFF,SubAudio:ON 1.6 2.1 IDD4 Mode4 OSC:ON,:ON,SubAudio:ON 5.3 6.7 MS0375-J-00 2005/01 -8- ASAHI KASEI [AK2347] MCK=3.6864MHz,f=1kHz, :ON,:ON, :OFF,VR1=VR2=VR3=VR4=0dB, HPF=LMT=1.,P.2731. dBx,0dBx=-5+20log(VDD/2)dBm. 0dBm=0.775Vrms Min.Typ.Max. @TXINO, EXTINO 10 dBx TXINOMOD 1.50+1.5dB EXTINOMOD 1.50+1.5dB EXTINOMOD LMT=0 35 dB EXTINO=3dBx,30kHzLPF EXTINDC,MOD () 8.67.66.6 dBx 6.6 TXINOMOD TXINO=44dBx 20.0 17.0 14.0 TXINO=50dBx 24.0 20.0 16.0dB TXINO10dBxMOD 0dB TXINOMOD, TXINO=10dBx 35dB 30kHzLPF TXIN0MOD, TXINIO 36.5dBm CMessageFilter VR1 TXINOMOD 1.5 +1.5 dB 6.0+4.5dB,1.5dB/step VR2 TXINOMOD 0.2 +0.2 dB (VR24,23,22,21,20) 3.2+3.0dB,0.2dB/step VR2 TXINOMOD,6.4dB. 6.86.46.0 dB (VR25=0) 0dB Min.Typ.Max. @RXINO RXINOFILTERO RXINORXOUT RXINORXOUT RXINO=25dBx RXINO=30dBx 10 dBx 1.50+1.5dB 1.50+1.5dB 33.0 30.0 27.0 dB 45.0 40.0 35.0 RXINO10dBxRXOUT 0dB RXINORXOUT, RXINO=5dBx 30kHzLPF RXIN0RXOUT, RXINO CMessageFilter MS0375-J-00 35dB 70dBm 2005/01 -9- ASAHI KASEI [AK2347] VR3 Min.Typ.Max. RXIN0RXOUT 0.5 +0.5 dB 4.0+3.5dB,0.5dB/step VR4 RXIN0RXOUT 0.25 +0.25 dB 4.5+4.5dB,0.25dB/step VR4 RXIN0RXOUT,18dB. 201816 dB (VR4540=0,0,0,0,0,0) 0dB 3.1):0N,:OFF,:OFF Min.Typ.Max. TXINOMOD 250Hz 57 40 dB 300Hz 12.5 9.5 SPL=0 2.5kHz +6.0 +9.0 dB 1kHz 3.0kHz +4.5 +8.5 0dB 6.0kHz 23 18 300Hz 12.5 9.5 SPL=1 2.5kHz +6.0 +9.0 dB 3.0kHz +7.0 +10.5 6.0kHz 17 12 250Hz 38 26 RXINORXOUT 300Hz +8.5 +11.5 1kHz dB 3.0kHz 11.5 8.5 0dB 6.0kHz 52 40 3.2):0FF, :OFF, :OFF Min.Typ.Max. TXINOMOD 250Hz 50 38 dB 300Hz2.0kHz 1.0 +1.0 SPL=0 2.5kHz 1.5 +1.0 dB 1kHz 3.0kHz 4.0 1.0 0dB 6.0kHz 32 28 300Hz2.5kHz 1.0 +1.0 SPL=1 3.0kHz 1.5 +1.0 dB 6.0kHz 26 22 250Hz 49 38 RXINORXOUT 300Hz 1.5 +1.0 1kHz dB 0dB 350Hz3.0kHz 1.0 +1.0 6.0kHz 38 28 MS0375-J-00 2005/01 - 10 - ASAHI KASEI [AK2347] GAIN(dB) 20 10 0 -10 -20 -30 -40 -50 -60 1.E+02 SPL=0 SPL=1 1.E+03 1.E+04 FREQUENCY(Hz) Fig.1:ON 20 10 GAIN(dB) 0 -10 SPL=0 -20 SPL=1 -30 -40 -50 -60 1.E+02 1.E+03 1.E+04 FREQUENCY(Hz) Fig.2:OFF MS0375-J-00 2005/01 - 11 - ASAHI KASEI [AK2347] 20 10 GAIN(dB) 0 -10 -20 -30 -40 -50 -60 1.E+02 1.E+03 1.E+04 FREQUENCY(Hz) Fig.3:ON 20 10 0 GAIN(dB) -10 -20 -30 -40 -50 -60 1.E+02 1.E+03 1.E+04 FREQUENCY(Hz) Fig.4:OFF MS0375-J-00 2005/01 - 12 - ASAHI KASEI [AK2347] 4.1):ON,:OFF,:OFF,MCKSL=1,SCSL=0/1...3.388kHz MCKSL=0,SCSL=0 ...3.290kHz Min.Typ.Max. 3.388 kHz 3.290 TXINOMOD, RXINORXOUT 1.0kHz10dBx 1210 8 dBx 2.388kHz(3.388kHz) 2.290kHz(3.290kHz) TXINOMOD, RXINORXOUT 1.0kHz10dBx 50 dBx 4.388kHz(3.388kHz) 4.290kHz(3.290kHz) TXINOMOD, RXINORXOUT 50 dBx 3.388kHz 3.290kHz TXINOMOD, RXINORXOUT 1.0kHz10dBx 50 dBx 1.0kHz 4.2):ON,:OFF,:OFF,MCKSL=0,SCSL=1 () Min.Typ.Max. 3.390 kHz TXINOMOD,RXINORXOUT 1210 8 dBx 1.0kHz10dBx 2.390kHz TXINOMOD,RXINORXOUT 1.0kHz10dBx 50 dBx 4.390kHz TXINOMOD,RXINORXOUT 50 dBx 3.390kHz TXINOMOD, RXINORXOUT 1.0kHz10dBx 25 dBx 1.0kHz MS0375-J-00 2005/01 - 13 - ASAHI KASEI [AK2347] SubAudio MCKSL=1,SA5=1,SA4=1,SA3=0,SA2=0,SA1=0,SA0=1(fc=260.9Hz)VR5=0dB 250.3Hz 5.1) Min.Typ.Max. @TSAOUT 10 dBx 20+2dB CTCSSDINOTSAOUT CTCSSDINOTSAOUT 250.3Hz,Duty50%,585mVpp(@3V) ,30kHzLPF @RSAOUT 37 32 dB 10 dBx 20+2dB CTCSS RXINORSAOUT GAIN(dB) CTCSSRXINORSAOUT RXINO=10dBx 37 32 dB 30kHzLPF VR5 RXIN0RSAOUT 0.5 +0.5 dB 6.0+6.0dB,0.5dB/step 5.2) Min.Typ.Max. 50240Hz 1.0 +1.0 DINOTSAOUT 250Hz 1.5 +1.0 dB 100Hz fc=260.9Hz 300Hz 38 0dB 20 10 0 -10 -20 -30 -40 -50 -60 1.E+01 1.E+02 1.E+03 FREQUENCY(Hz) Fig.5SubAudio MS0375-J-00 2005/01 - 14 - ASAHI KASEI [AK2347] TXRX=0 TXA2 EXTIN f=1kHz TXINO Splatter Compressor Pre-emphasis TXA1 VR1 TXHPF Limiter SMF TXIN MOD +VR2 0dB +4.5 +3.0 Crosspoint G = 30dB dB 0dB -7.6dBx dB 0 0 0dB -6.0 -9.6 -10dBx Scrm /Descrm 0dB dBx 10 0 0 -5 -7.0 -5.5 -10dBx (Audio) -10 -10 -10 -10 -19.2 -16 -20 -27 -27dBx -30 -30dBx -30 -40 -44 -50 -50 -60 -70 -80 -90 TXRX=1 f=1kHz FILTERO RXINO De-emphasis SMF RXOUT VR4 VR3 RXA1 RXLPF Expander RXHPF RXIN +3.5 +4.5 +5dB -5dB G = 0dB 0dB dB G = 20dB dB 0 Crosspoint 0 -4.0 -18.0 -10dBx Scrm /Descrm -5dB dBx 10 0 0 -6.5 0dBx (Max.) -5 -5.5 -10 -5 -10 -10dBx (Typ.) -14 -10 -20 -20 -25 -25 -28 -25 -30 -30 -40 -40 -40dBx -45 -50 -50dBx -50 -60 dBx0dBx=5+20log(VDD/2)dBm MS0375-J-00 2005/01 - 15 - ASAHI KASEI [AK2347] AC AK2347CSN,SCLK,SDATA SDATA()(R/W)MSB, A3A0MSB,D7D0 WRITE CSN SCLK R/W A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 SDATA (Input) Hi-Z SDATA (Output) READ CSN SCLK Hi-Z R/W A3 A2 A1 A0 SDATA (Input) Hi-Z D7 D6 D5 D4 D3 D2 D1 D0 SDATA (Output) R/W: Low High A3A0 D7D0 CSN() High CSN Low CSN Low 14SCLKSDATA A0D7 Low CSN Low SCLK5SDATA 9 A0D7 SCLK9SDATA Hi-Z CSN"Low"14SCLK 14 MS0375-J-00 2005/01 - 16 - ASAHI KASEI [AK2347] WRITE Tcsh Tcss CSN Twh Twl SCLK Tds Tdh R/W A3 A2 A1 A0 D7 D6 D1 D0 SDATA (Input) Hi-Z SDATA (Output) READ Tcsh Tcd Tcss CSN Tdd Tsd SCLK Hi-Z A3 A2 A1 A0 R/W SDATA (Input) Hi-Z SDATA D7 D6 D1 D0 (Output) Tr Tf SCLK VIH VIL Min.Typ.Max. CSNsetuptime Tcss 100 ns SDATA setup time Tds 100 ns SDATAholdtime Tdh 100 ns SCLK high timeTwh 500 ns SCLKlowtime Twl 500 ns CSNholdtime Tcsh 100 ns SDATAHiZsetuptime Tsd 500 ns SCLKSDATAdelaytime Tdd20pF 500 ns CSNSDATAdelaytime Tcd20pF 100 ns SCLKrisingtime Tr 100 ns SCLKfallingtime Tf 100 ns VIHVIL VOHVOL MS0375-J-00 2005/01 - 17 - ASAHI KASEI [AK2347] D7 D6 D5 D4 D3 D2 D1 D0 1 BS3 BS2 BS1 TXRX TXSW2 TXSW1 RXSW MCKSL 1 2 TC EM PCONT SPL SCSL LMT HPF SASW 1 0 1 VR54 VR53 VR52 VR51 VR50 VR12 VR11 VR10 0 1 1 2 FILSW2 FILSW1 VR25 VR24 VR23 VR22 VR21 VR20 0 1 0 0 3 - - - - VR33 VR32 VR31 VR30 0 1 0 1 4 - - VR45 VR44 VR43 VR42 VR41 VR40 0 1 1 0 SubAudio - - SA5 SA4 SA3 SA2 SA1 SA0 0 1 1 1 - - - RSTN 1 0/1 0/1 0/1 Reserved X X X X A3 A2 A1 A0 0 0 0 0 0 0 0 0 0 0 REVNUM[3:0] X X X X - LSIWriteRead 0111 VR33VR30,VR45VR40,SA5SA1 X LSI 2.1) A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 2.1.1) BS3 BS2 BS1 BS3 BS2 BS1 TXRX TXSW2 TXSW1 RXSW MCKSL 0 0 0 1 1 1 1 1 OSC,AGND TX,RX Sub-Audio Mode0 OFFOFFOFF () Mode1 ON OFFOFF () Mode2 ONONOFF 0 0 0 0 0 1 0 1 0 0 1 1 Mode3 ON 1 0/1 0/1 Mode4 ONONON OFF ON 2.1.2) TXRX 0 1 1) 2) 3) RXSW 4) MCKSL 3.579545MHz 3.6864MHz MS0375-J-00 2005/01 - 18 - ASAHI KASEI [AK2347] 2.1.3) TXSW2 TXSW1 1 1 0 1 AGNDLimiterSplatter HPFLimiterSplatter 1 0 EXTINLimiterSplatter 0 0 HPF+EXTINAdderLimiterSplatter 1)TXRX=0RXSW=1TXINRXOUT PCONT=1 RXSW=0RXOUT 2)TXRX=1TXSW2/TXSW1=0/1RXINMOD PCONT=1 TXSW2/TXSW1=1/1MOD 3)15 4)RXSW=0FILTERO 2.2) A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 1 TC EM PCONT SPL SCSL LMT HPF SASW 1 1 1 1 0 1 1 1 0 1 OFF(Bypass) ON(Active) TC SPL Splatter 2.55kHz3.0kHz MCKSL=0 3.290kHz MCKSL=1 3.388kHz3.388kHz SCSL 3.390kHz LMT OFF(Bypass) ON(Active) HPF TX/RXHPF OFF(Bypass) ON(Active) DINTSAOUT RXINRSAOUT SASW SubAudio EM PCONT 1 1 ON(Active)OFF(Bypass) 0 1 OFF(Bypass) OFF(Bypass) 0/1 0 OFF(Bypass)ON(Active) MS0375-J-00 2005/01 - 19 - ASAHI KASEI [AK2347] 2.3) A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 0 1 0 VR54 VR53 VR52 VR51 VR50 VR12 VR11 VR10 0 1 1 0 0 1 0 0 VR54 VR53 VR52 VR51 VR50 VR5(dB) 0 0 0 0 0 0 0 0 0 1 6.0 5.5 0 0 0 1 0 5.0 0 0 0 1 1 4.5 0 0 1 0 0 4.0 0 0 1 0 1 3.5 0 0 1 1 0 3.0 0 0 1 1 1 2.5 0 1 0 0 0 2.0 0 1 0 0 1 1.5 0 1 0 1 0 1.0 0 1 0 1 1 0.5 0 1 1 0 0 0.0 0 0 1 1 1 1 0 1 1 0 +0.5 +1.0 0 1 1 1 1 +1.5 1 0 0 0 0 +2.0 1 0 0 0 1 +2.5 1 0 0 1 0 +3.0 1 0 0 1 1 +3.5 1 0 1 0 0 +4.0 1 0 1 0 1 +4.5 1 0 1 1 0 +5.0 1 0 1 1 1 +5.5 1 1 0 0 0 +6.0 VR12 VR11 VR10 VR1(dB) 0 0 0 0 0 1 6.0 4.5 0 1 0 3.0 0 1 1 1.5 1 0 0 0.0 1 0 1 +1.5 1 1 0 +3.0 1 1 1 +4.5 MS0375-J-00 2005/01 - 20 - ASAHI KASEI [AK2347] 2.4) A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 0 1 1 FILSW2 FILSW1 VR25 VR24 VR23 VR22 VR21 VR20 1 1 1 1 0 0 0 0 FILSW2 FILSW1 1 1 FILTERO 0 1 FILTERORXLPF 0/1 0 FILTEROTX/RXHPF VR25 VR2(dB) 0 6.4 1 0.0 VR24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 VR23 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 VR22 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 VR21 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 MS0375-J-00 VR20 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 VR2(dB) 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 +0.2 +0.4 +0.6 +0.8 +1.0 +1.2 +1.4 +1.6 +1.8 +2.0 +2.2 +2.4 +2.6 +2.8 +3.0 2005/01 - 21 - ASAHI KASEI [AK2347] 2.5) A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 0 - - - - VR33 VR32 VR31 VR30 - - - - 1 0 0 0 VR33 VR32 VR31 VR30 VR3(dB) 0 0 0 0 4.0 0 0 0 1 3.5 0 0 1 0 3.0 0 0 1 1 2.5 0 1 0 0 2.0 0 1 0 1 1.5 0 1 1 0 1.0 0 1 1 1 0.5 1 0 0 0 0.0 1 0 0 1 +0.5 1 0 1 0 +1.0 1 0 1 1 +1.5 1 1 0 0 +2.0 1 1 0 1 +2.5 1 1 1 0 +3.0 1 1 1 1 +3.5 MS0375-J-00 2005/01 - 22 - ASAHI KASEI [AK2347] 2.6) A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 1 - - VR45 VR44 VR43 VR42 VR41 VR40 - - 0 1 0 0 1 1 VR45 VR44 VR43 VR42 VR41 VR40 VR4(dB) 0 0 0 0 0 0 0 0 0 0 0 1 18.0 4.50 0 0 0 0 1 0 4.25 0 0 0 0 1 1 4.00 0 0 0 1 0 0 3.75 0 0 0 1 0 1 3.50 0 0 0 1 1 0 3.25 0 0 0 1 1 1 3.00 0 0 1 0 0 0 2.75 0 0 1 0 0 1 2.50 0 0 1 0 1 0 2.25 0 0 1 0 1 1 2.00 0 0 1 1 0 0 1.75 0 0 1 1 0 1 1.50 0 0 1 1 1 0 1.25 0 0 1 1 1 1 1.00 0 1 0 0 0 0 0.75 0 1 0 0 0 1 0.50 0 1 0 0 1 0 0.25 0 1 0 0 1 1 0.00 0 1 0 1 0 0 +0.25 0 1 0 1 0 1 +0.50 0 1 0 1 1 0 +0.75 0 1 0 1 1 1 +1.00 0 1 1 0 0 0 +1.25 0 1 1 0 0 1 +1.50 0 1 1 0 1 0 +1.75 0 1 1 0 1 1 +2.00 0 1 1 1 0 0 +2.25 0 1 1 1 0 1 +2.50 0 1 1 1 1 0 +2.75 0 1 1 1 1 1 +3.00 1 0 0 0 0 0 +3.25 1 0 0 0 0 1 +3.50 1 0 0 0 1 0 +3.75 1 0 0 0 1 1 +4.00 1 0 0 1 0 0 +4.25 1 0 0 1 0 1 +4.50 MS0375-J-00 2005/01 - 23 - ASAHI KASEI [AK2347] 2.7)SubAudioLPF A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 0 1 1 0 - - SA5 SA4 SA3 SA2 SA1 SA0 - - 1 1 0 0 0 1 MCKSL=0(3.579545M)MCKSL=1(3.6864MHz) SA5 SA4 SA3 SA2 SA1 SA0 0 0 0 0 0 0 Target Cutoff Target Divide Cutoff CTCSS Frequency CTCSS Frequency (Hz) (Hz) (Hz) (Hz) 640 59.461.1 0 0 0 0 0 1 630 60.362.1 0 0 0 0 1 0 620 61.363.1 0 0 0 0 1 1 610 62.364.1 0 0 0 1 0 0 600 63.365.2 0 0 0 1 0 1 590 64.466.3 0 0 0 1 1 0 580 65.567.5 0 0 0 1 1 1 570 66.768.6 0 0 1 0 0 0 560 67.869.9 0 0 1 0 0 1 550 69.171.1 0 0 1 0 1 0 54070.3 72.567.0 0 0 1 0 1 1 53071.767.073.8 0 0 1 1 0 0 52073.1 75.269.3 0 0 1 1 0 1 51074.569.376.771.9 0 0 1 1 1 0 500 76.078.3 0 0 1 1 1 1 49077.671.979.874.4 0 1 0 0 0 0 480 79.281.5 0 1 0 0 0 1 47080.674.483.377.0 0 1 0 0 1 0 46082.677.085.179.7 0 1 0 0 1 1 450 84.487.0 0 1 0 1 0 0 44086.379.789.082.5 0 1 0 1 0 1 43088.482.591.085.4 0 1 0 1 1 0 420 90.493.2 0 1 0 1 1 1 41092.785.495.588.5 0 1 1 0 0 0 40095.088.597.891.5 0 1 1 0 0 1 39097.491.5100.3 0 1 1 0 1 0 380 100.0103.0 94.8 0 1 1 0 1 1 370102.794.8105.897.4 0 1 1 1 0 0 360105.697.4108.7100.0 0 1 1 1 0 1 350 108.6100.0111.8103.5 0 1 1 1 1 0 340 111.8103.5115.1107.2 0 1 1 1 1 1 330 115.1107.2118.6110.9 MS0375-J-00 2005/01 - 24 - ASAHI KASEI [AK2347] MCKSL=0(3.579545M)MCKSL=1(3.6864MHz) SA5 SA4 SA3 SA2 SA1 SA0 1 0 0 0 0 0 Target Cutoff Target Divide Cutoff CTCSS Frequency CTCSS Frequency (Hz) (Hz) (Hz) (Hz) 320 118.8110.9122.3114.8 1 0 0 0 0 1 310 122.5114.8126.2118.8 1 0 0 0 1 0 1 0 0 0 1 1 300 126.6118.8130.5123.0 290131.0123.0135.0 127.3 1 0 0 1 0 0 280 135.7127.3139.8131.8 1 0 0 1 0 1 270 140.7131.8144.9136.5 1 0 0 1 1 0 260 146.2136.5150.5141.3 1 0 0 1 1 1 1 0 1 0 0 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 1 0 0 1 0 1 1 0 1 1 0 1 1 1 0 1 0 1 1 1 1 1 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 0 1 1 0 0 1 1 250 152.0141.3156.5146.2 146.2 240158.3 163.0151.4 151.4 156.7 230 165.2156.7170.1 162.2 220 172.7162.2177.9167.9 167.9 210180.9 186.4173.8 173.8 179.9 200 190.0179.9195.6 186.2 186.2 190200.0 205.9192.8 192.8 203.5 180 211.1203.5217.3 210.7 170 222.9210.7229.6218.1 218.1 225.7 160237.5 244.5 225.7 233.6 233.6 241.8 150253.2 260.9 241.8 250.3 250.3 (254.1) 140271.3 279.5 (254.1) (268.8) 130292.4 (268.8) 300.9 1 1 0 1 0 0 120 316.7326.0 1 1 0 1 0 1 110 345.3355.8 1 1 0 1 1 0 100 379.9391.3 1 1 0 1 1 1 90 422.2(403.2)434.7(403.2) 1 1 1 0 0 0 80 475.0489.0 1 1 1 0 0 1 70 542.7559.1 Divide10*[64()] MS0375-J-00 2005/01 - 25 - ASAHI KASEI [AK2347] 2.8) A3 A2 A1 A0 D7 D6 D5 D4 0 1 1 1 - - - RSTN - - - 1 D3 D2 D1 D0 REVNUM[3:0] 0 0 1 0 2.8.1) D4: RSTN"0" "1" 2.8.2) D3D0AK2347 MS0375-J-00 2005/01 - 26 - ASAHI KASEI [AK2347] TXA1 30dB100kHz 30dB10kHzLPF C1=0.47uF 3 TXINO C2=33pF R3 C2 C3=2200pF R1 C1 _ + TXIN R2 4 R1=R2=10k C3 TXA1 R3=330k 2 AGND LSI TXA2 0dB100kHz 0dB13kHzLPF C1=0.47uF 6 EXTINO C2=100pF R3 C2 C3=470pF R1 C1 _ + EXTIN R2 5 R1=R2=R3=51k C3 TXA2 2 AGND LSI MS0375-J-00 2005/01 - 27 - ASAHI KASEI [AK2347] RXA1 20dB100kHz 20dB39kHzLPF C1=0.47uF 23 RXINO C2=33pF R3 C2 R1 C1 C3=560pF _ + 24 RXIN R2 R1=10k C3 RXA1 R2=9.1k 2 AGND R3=100k LSI DTA1 Sub-AudioProgrammableLPF0dB 100kHz 0dB7.2kHzLPF C1=0.47uF 20 DINO C2=220pF R2 C2 R1 C1 _ + DIN 19 R1=R2=100k DTA1 LSI MS0375-J-00 2005/01 - 28 - ASAHI KASEI [AK2347] VDD-VSS VDD 16 VDD C1=22uF (Electrolytic cap) C2 C1 C2=0.1uF (Ceramic cap) VSS 9 VSS LSI GND AGND,AGNDINVSS0.3uFAGND 1 AGNDIN C AGND 2 C=1uF C LSI MS0375-J-00 2005/01 - 29 - ASAHI KASEI [AK2347] 3.6864MHz3.579545MHz Fig.6150(Max.)5pF(Max.) 22pF16pF(5pF+22pF//22pF) XIN,XOUT Fig.7Fig.8 XIN(0.8V)High1.5V Low0.4VFig.7p-p0.2V 1.0VFig.8 ICXIN External Clock IN 22pF XIN 14 3.6864MHz 1M XIN 3.6864MHz 3.579545MHz 3.579545MHz XOUT 15 22pF XOUT LSI LSI Fig. 6 XIN Fig. 7 0.01uF External Clock IN 3.6864MHz 1M 3.579545MHz XOUT LSI Fig. 8 MS0375-J-00 2005/01 - 30 - ASAHI KASEI [AK2347] LIMLV LIMLVLimiter HVref = 0.256 x (VDD - AGND) [Vo-p] VDD=3V HVref=0.256x(3.0-1.5)=0.384Vo-p1.50.384VTyp AGND(=1/2VDD)DC LIMLVAGNDAGND(LIMLV-AGND) VDD=3V LIMLV=1.6V1.50.1V 1.7V 1.50.2V 1.8V 1.50.3V 1.9V 1.50.4V 1.933V 1.50.433VMax:-6.6dBx Typ LimiterAGND VDD,AGNDLIMLVDC R1+R2=51k VDD R1 7 LIMLV R2 R1+R2 2 AGND VSS LSI MS0375-J-00 2005/01 - 31 - ASAHI KASEI [AK2347] AKM AK2347 XXXYZ 7.90.2 0.15+0.10 -0.05 5.6 7.60.2 13 12 0~10 0.12 M 0.22+0.10 -0.05 0.65 Unit : mm 1.150.10 0.08 0.100.05 24 1 0.50.2 XXXYZ XXX12 Y Z Cu MS0375-J-00 2005/01 - 32 - ASAHI KASEI [AK2347] MS0375-J-00 2005/01 - 33 -