STV6412AD STMicroelectronics, STV6412AD Datasheet
STV6412AD
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STV6412AD Summary of contents
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... Audio muting on all outputs September 2009 Audio/video switch matrix LQFP64L( 1.4 mm) (Low-profile Quad Flat Package) Order code: STV6412ADT Description The STV6412A is a highly integrated I controlled audio and video switch matrix, optimized for use in digital set-top box applications. It provides all the audio and video routings required in a full two SCART set-top box design ...
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Contents Contents 1 General overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STV6412A 1 General overview 1.1 Pin connections Figure 1. Pinout dagram FBOUT_TV FBIN_VCR FBIN_ENC C_GATE VDD ADD SCL SDA GND IT_OUT SLB_TV R/CIN_VCR SLB_VCR GIN_VCR Vcc12 BIN_VCR Table 1. Pin description Pin no. Symbol CVBSIN_AUX 3 ...
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General overview Table 1. Pin description (continued) Pin no. Symbol 14 BIN_ENC DECA 17 GND 18 Y/CVBSIN_VCR 19 LIN_VCR 20 RIN_VCR 21 CVBSIN_TV 22 LIN_TV 23 RIN_TV 24 V CCA 25 GNDA ROUT_CINCH 28 ...
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STV6412A Table 1. Pin description (continued) Pin no. Symbol 49 FBOUT_TV 50 FBIN_VCR 51 FBIN_ENC 52 C_GATE ADD 55 SCL 56 SDA 57 GND 58 IT_OUT 59 SLB_TV 60 R/CIN_VCR 61 SLB_VCR 62 GIN_VCR 63 V ...
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General overview 1.2 Block diagrams Figure 2. STV6412A block diagram FBIN_ENC FBIN_VCR BIN_ENC BIN_VCR GIN_ENC GIN_VCR R/CIN_ENC R/CIN_VCR CIN_ENC CVBSIN_AUX Y/CVBSIN_VCR YIN_ENC Y/CVBSIN_ENC CVBSIN_TV LIN_AUX LIN_ENC 0/6/9 dB LIN_TV RIN_AUX 0/6/9 dB RIN_ENC RIN_TV _VCR LIN IN_VCR R 6/31 FBIN_ENC ...
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STV6412A Figure 3. Functional block diagram R FAST BLANK CVBS AUDIO L SCART1 TV AUDIO R CVBS/Y AUDIO L AUDIO R SLOW BLANK CVBS RF MOD AUDIO L+R CVBS AUDIO L AUX AUDIO R INTERRUPT MICRO AUDIO L ...
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Electrical characteristics 2 Electrical characteristics 2.1 Absolute maximum ratings Symbol V Supply voltage for: CC12 V CCAO V CCA CCBi V Voltage at pin I to GND: I Maximum ESD voltage allowed. 100 pF ...
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STV6412A Table 2. Supply voltages Symbol Parameter V Digital supply voltage DD V Audio operating supply voltage CCAO V Video operating supply voltage CC V Slow blanking control supply voltage CC12 Table 3. Active mode (all channels ON) Symbol Parameter ...
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Electrical characteristics Table 5. Audio section characteristics (continued) Symbol Parameter R Input resistance matching INmatch F Bandwidth RANGE Flatness Spread of gain in audio band Channel separation, from audio CS inputs between L & outputs Ci Channel ...
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STV6412A Table 6. Video section characteristics Symbol Parameter V DC input level DCIN I Clamping current CLAMP I Input leakage current LEAK C Input capacitance IN V Max input signal IN DYN Dynamic output signal BW Bandwidth ...
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Electrical characteristics 2.7 Chroma section characteristics °C, V CCAO amb = 600 Ω LOUTA Table 7. Chroma section characteristics Symbol Parameter V DC input level DCIN R Input resistance IN C Input capacitance IN ...
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STV6412A Table 8. Slow blanking section (continued) Symbol Parameter SLBmed Output medium level (ext. 16/9) SLBhigh Output high level (ext. 4/3) Table 9. Fast blanking section Symbol Parameter Input mode FBlow/high Input low/high level threshold I Input current IN Output ...
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Electrical characteristics 2.9 I²C bus characteristics T = 25°C, V CCAO amb R = 600Ω LOUTA Table 12. I²C bus characteristics Symbol Parameter SCL V Low level input voltage IL V High level input voltage IH I Input ...
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STV6412A ² Figure bus timing (start, stop) Doc ID 9754 Rev 2 Electrical characteristics 15/31 ...
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I2C bus selection bus selection Data transfers follow the usual I address is sent, followed by an eight-bit data direction bit (W). An 8-bit sub-address is sent to select a register, followed by an 8-bit data ...
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STV6412A Table 13. Input signal summary (write mode) (continued) Reg addr d7 d6 (hex) Video VCR 02 Chroma VCR video and Chroma switch control muted RGB and FB 03 tri-state Miscellaneous 04 IT enable SLB mode 05 VCR slow blanking ...
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I2C bus selection Table 15. Audio selection & VCR audio output Reg. addr Description (hex) TV & CINCH audio output selection 01 CINCH audio gain VCR audio output selection VCR stereo or mono mode Table 16. TV & VCR video ...
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STV6412A Table 17. RGB & fast blanking outputs Reg. addr Description (hex) Fast blanking control RGB selection 03 RGB gain RGB and fast blanking control Table 18. RF & miscellaneous control Reg. addr Description (hex) R/C TV output selection RF ...
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I2C bus selection l Table 19. Slow blanking & inputs contro Reg. addr Description (hex) Encoder R/Csub clamp VCR R/Csub clamp Encoder input level adjustment 05 Slow blanking TV SCART Slow blanking VCR SCART Table 20. Standby modes Reg. addr ...
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STV6412A Table 21. Output signals (read mode) Reg. addr Description (hex) Slow blanking TV SCART Slow blanking VCR SCART Interrupt flag Note: 1 The interrupt flag will be cleared when this register is read. To prepare for a new interrupt, ...
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I2C bus selection Figure 5. Volume control characteristics 0 -36 -62 dB 22/31 18 ± 0.5 dB ± 0.5 dB Doc ID 9754 Rev 2 STV6412A 31 Step Number + 0.5 dB ...
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STV6412A 4 Input/output groups Figure 6. Bottom clamped video inputs (pins 12, 14, 18, 21, 62, and 64 kΩ tri Protected pPad Figure 8. Fast blanking inputs (pins 50, 51) ...
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Input/output groups Figure 10. C gate logical output (pin 52 CCB1 18 kΩ 50 ohms Protected pad Figure 12. Video outputs (pins 38, 40, 42, 44, 46, 48 ...
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STV6412A Figure 16. Audio outputs (pins 27, 28, 29, 30, 32, 33,35 Figure 18. C bus (SDA) (pin 56 Float DD Acknowledge Protected pad Protected Pad Figure 20. I²C bus (SCL) (pin 55) V ...
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Input/output groups Figure 21. Power supply connection GNDP These symbols represent some huge diode and Zener-like components used for ESD protection of the device. They ...
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STV6412A 5 Application diagram Note: The application diagram presented here is an example only and is subject to change without notice. The real application diagram will depend on application conditions and constraints. Figure 22. Application diagram For more details refer ...
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Package mechanical data 6 Package mechanical data Figure 23. 64 pin, LQFP64L (low-profile quad flat package) ( 1.4 mm) Table 22. LQFP64L package dimensions Dimensions Min 0.05 A2 1.35 b 0.30 c 0.09 ccc D ...
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STV6412A Table 22. LQFP64L package dimensions (continued) Dimensions Min. E1 13. 0. Millimeters Typ. Max. 14.00 14.201 12.00 0.60 0.75 1.00 Degrees 0° minimum 3.5° typical 7° maximum Doc ID 9754 Rev 2 Package mechanical data ...
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Revision history 7 Revision history Table 23. Document revision history Date Revision 24-Jan-2006 1 24-Apr-2007 1.1 19-Jun-2007 1.2 10-Jul-2007 1.3 02-Sep-2009 2 30/31 Changes Initial release. Reformatted to the new corporate template. Corrections to Application diagram on page 27 and ...
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... STV6412A Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...