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| Princeton Technology Corp. Multi-Channel AV Control Center IC DESCRIPTION Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2320 PT2320 is a Modern Multi-Channel AV Control Center IC. Eight group input selectors (seven stereo inputs & one 6-channel individual input), 4 video inputs, 6-channel master volume control, 6-channel individual volume trim control, 3-band tone control (treble, middle, and bass), recording output, selector output, mute function, 3D effect function, tone defeat function are all built into a single chip to provide a Comprehensive and Complete AV Center IC having the highest performance and reliability with the least components. Furthermore, the pin assignments and application circuit are optimized for easy PCB Layout and cost saving benefits. Housed in 100 pins, QFP Package, PT2320 is the ultimate answer to your every audio/video system needs. FEATURES * * * * * * * * * Very Low Power Consumption (DC=9V) I2C Bus Control 8 Group Input Selectors (One 6-Channel Individual Input and 7 Stereo Input) 4 Video Input Selectors 6-Channel Master Volume Control: 0 to -79 dB (1 dB/step) 6-Channel Individual Output TRIM Volume Control: 0 to -15 dB (1dB/step) 3-Band Tone Control (Treble, Middle, Bass): + 14dB , 2dB/step Recording Output, Mute Function, Selector Output 3D Effect Function * Tone Defeat Function * Low Noise * High Channel Separation * Low Harmonic Distortion * Least External Components * Easy to Use * Available in 100-pin, QFP Package APPLICATIONS * * * * * Audio/Video System Multi-Media Speakers TV System PC Audio AC3 Amplifier System PT2320 v 1.0 Page 1 Updated November 2000 Princeton Technology Corp. Multi-Channel AV Control Center IC PIN CONFIGURATION IN_SUB AGND IN_CT Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2320 IN_SR 100 NC 99 IN_L6 IN_SL IN_L7 IN_L8 VREF IN_R8 82 NC NC 83 NC NC NC NC NC NC 98 97 96 95 94 86 85 92 91 90 89 88 93 87 84 81 NC IN_L5 NC IN_L4 NC IN_L3 NC IN_L2 NC IN_L1 NC TPOUT_FL NC SEL_FR NC CTRE_FL NC RCMID1_FL NC RCMID2_FL NC RCBAS1_FL NC RCBAS2_FL NC VDIN1 NC VDIN2 NC VDIN3 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DVCC 47 NC 48 VDIN4 31 NC 32 VDOUT 33 FL_OUT 35 SL_OUT 37 NC 38 CT_OUT 39 A VCC 40 SUB_OUT 42 NC 43 SR_OUT 44 NC 45 FR_OUT 46 SCL 49 NC 50 NC 34 NC 36 NC 41 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 IN_R7 NC IN_R6 NC IN_R5 NC IN_R4 NC IN_R3 NC IN_R2 NC IN_R1 NC TPOUT_FR NC SEL_FR NC CTRE_FR NC RCMID1_FR NC RCMID2_FR NC RCBAS1_FR NC RCBAS2_FR NC DGND SDA PT2320 v 1.0 Page 2 Updated November 2000 3 C1 1 AGND R27 3.3K +9VD C33 22uF C32 22uF AGND TO MICROCONTROLLER I2C DATA I2C CLOCK DGND DGND C26 3 R29 100K 2 R30 100K 10uF C28 10uF C29 10uF C30 10uF C31 10uF 6 R31 100K 5 R32 100K 9 R33 100K 8 R34 100K 7 U6 RE 4 U6 CE 1 U6 FR 10uF C27 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 IC1 PT2320 DGND +9VA R28 6.2K 2 R1 10uF 100k C2 IN _ R 7 IN _ R 6 IN _ R 5 IN _ R 4 IN _ R 3 IN _ R 2 IN _ R 1 R C M ID 1 _ R R C M ID 2 _ R R C B A S1 _ R 4 IN_SR IN_SUB SR_OUT VREF SUB_OUT AGND IN_CT AVCC CT_OUT SL_OUT IN_L8 FL_OUT IN_L7 VDOUT VD IN 1 VD IN 2 VD IN 3 VDIN4 IN_L6 IN _ L 5 IN _ L 4 IN _ L 3 IN _ L 2 IN _ L 1 C TR E _ L IN_SL DVCC FR_OUT APPLICATION CIRCUIT 2 R7 10uF 100K C8 6 Cref 10uF R8 10uF 100K C9 4 AGND Multi-Channel AV Control Center IC 5 R9 10uF 100K C10 TP O U T_ L SE L O U T_ L R C M ID 1 _ L R C M ID 2 _ L R C B A S1 _ L Princeton Technology Corp. 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 6 R12 10uF 100K C13 R C B A S2 _ L Page 3 C26 C27 2200p 0.01u C21 C28 0.01u C29 0.1u C30 0.1u 3 1 2 U5A TAPE OUT R22 10uF 100K C23 R23 10uF 100K C24 4 5 R24 10uF 100K R21 10uF 100K C22 AGND R25 3.3K R26 6.2K 6 U5B SEL OUT AGND 3 R10 10uF 100K C11 1 S E L O U T_ R R C B A S2 _ R 1 TP O U T_ R 2 R11 10uF 100K C12 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 IN_R8 SCL C TR E _ R DGND SD A PT2320 v 1.0 C31 C32 2200p 0.01u C33 0.01u C34 0.1u C35 0.1u 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 AGND VIDEO Vc VIDEO SW BOARD PT2320 VIDEOBD.sch VOUT VIN4 VGND VIN3 VIN2 VIN1 VGND VVD+ 6 R2 10uF 100K C3 4 5 R3 10uF 100K C4 9 R4 10uF 100K C5 7 8 R5 10uF 100K C6 3 R6 10uF 100K C7 5 R13 10uF 100K C14 3 R14 10uF 100K C15 1 2 R15 10uF 100K C16 6 R16 10uF 100K C17 4 5 R17 10uF 100K C18 9 R18 10uF 100K C19 7 8 R19 10uF 100K C20 PT2320 R20 10uF 100K Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Updated November 2000 AGND |
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