Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Multi-Channel AV Control Center IC PT2320 DESCRIPTION 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 Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Princeton Technology Corp. Multi-Channel AV Control Center IC PT2320 NC IN_SUB NC IN_SR NC IN_R8 NC 86 85 84 83 82 81 IN_CT 91 87 NC 92 VREF IN_SL 93 NC NC 94 AGND IN_L8 95 90 NC 96 89 88 IN_L7 97 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 28 29 30 53 52 51 NC DGND SDA Page 2 SCL 49 NC 50 DVCC 47 NC 48 NC 45 FR_OUT 46 SUB_OUT 42 NC 43 SR_OUT 44 NC 41 NC 38 CT_OUT 39 AVCC 40 NC 36 SL_OUT 37 17 18 19 20 21 22 23 24 25 26 VDIN4 31 PT2320 v 1.0 NC 27 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 10 11 12 13 14 15 16 NC 34 NC VDIN1 NC VDIN2 NC VDIN3 NC IN_R7 NC IN_R6 NC IN_R5 NC IN_R4 NC FL_OUT 35 RCBAS2_FL 80 79 78 77 76 75 74 73 1 2 3 4 5 6 7 8 9 NC 32 VDOUT 33 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 98 100 NC 99 IN_L6 PIN CONFIGURATION Updated November 2000 Page 3 4 8 9 5 6 2 3 5 6 2 3 5 6 2 AGND R20 10uF 100K R19 10uF 100K C20 R18 10uF 100K C19 R17 10uF 100K C18 R16 10uF 100K C17 R15 10uF 100K C16 R14 10uF 100K C15 R13 10uF 100K C14 R12 10uF 100K C13 R11 10uF 100K C12 R10 10uF 100K C11 R9 10uF 100K C10 R8 10uF 100K C9 R7 10uF 100K C8 R6 10uF 100K C7 U5B SEL OUT U5A TAPE OUT AGND 10uF Cref 4 1 5 6 2 3 AGND 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 C31 C32 2200p 0.01u R27 3.3K C33 0.01u C34 0.1u IN_L6 IN_L7 IN_L8 IN_SL AGND IN_CT VREF IN_SUB IN_SR IN_R8 VDIN4 VDOUT FL_OUT SL_OUT AVCC CT_OUT SUB_OUT SR_OUT DVCC FR_OUT C21 R24 10uF 100K R23 10uF 100K C24 R22 10uF 100K C23 R21 10uF 100K C22 AGND R25 3.3K C26 C27 2200p 0.01u C28 0.01u R26 6.2K C29 0.1u C30 0.1u DGND C33 22uF +9VD 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 IC1 PT2320 C35 0.1u SCL R28 6.2K 10uF C31 10uF C30 10uF C29 10uF C28 10uF C27 10uF C26 VIN1 VIN2 VIN3 VIN4 VOUT VGND VVD+ AGND R34 100K R33 100K R32 100K R31 100K R30 100K R29 100K DGND I2C CLOCK I2C DATA 7 4 1 U6 RE U6 CE U6 FR VGND VIDEO Vc 8 9 5 6 2 3 TO MICROCONTROLLER VIDEO SW BOARD PT2320 VIDEOBD.sch DGND AGND C32 22uF +9VA Multi-Channel AV Control Center IC 7 4 1 4 1 4 1 3 8 R5 10uF 100K C6 IN _ R 6 IN _ L 4 9 IN _ R 5 IN _ L 3 7 IN _ R 4 IN _ L 2 R4 10uF 100K C5 IN _ R 3 IN _ L 1 5 IN _ R 2 TP O U T_ L R3 10uF 100K C4 IN _ R 1 SE L O U T_ L 4 TP O U T_ R C TR E _ L 6 AGND S E L O U T_ R R C M ID 1 _ L R2 10uF 100K C3 C TR E _ R R C M ID 2 _ L R1 10uF 100k C2 R C M ID 1 _ R R C B A S1 _ L 2 R C M ID 2 _ R R C B A S2 _ L 1 R C B A S1 _ R VD IN 1 C1 VD IN 2 IN _ R 7 IN _ L 5 R C B A S2 _ R 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 DGND SD A VD IN 3 PT2320 v 1.0 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 3 Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2320 APPLICATION CIRCUIT Updated November 2000