STV6411A ST Microelectronics, STV6411A Datasheet

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STV6411A

Manufacturer Part Number
STV6411A
Description
AUDIO/VIDEO SWITCH MATRIX
Manufacturer
ST Microelectronics
Datasheet

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STV6411A
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Part Number:
STV6411ADT
Manufacturer:
ST
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VIDEO SECTION
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AUDIO SECTION
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DESCRIPTION
The STV6411A is a highly integrated I2C bus-con-
trolled 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. It is also fully pin compat-
ible with STV6410A, the three scart version.
December 1998
I
STANDBY MODE
4 CVBS INPUTS, 3 CVBS OUTPUTS (ONE WITH
SELECTABLE CHROMA TRAP FILTER)
4 Y/C INPUTS, 2 Y/C OUTPUTS
6dB GAIN ON ALL CVBS/Y AND C OUTPUTS
1 Y/C ADDER
2 RGB/FB INPUTS, 1 RGB/FB OUTPUT WITH
6dB ADJUSTABLE GAIN
VIDEO MUTING ON ALL THE OUTPUTS
2 SLOW BLANKING INPUTS/OUTPUTS
SYNC BOTTOM CLAMP ON ALL CVBS/Y
AND RGB INPUTS, AVERAGE ON C INPUTS
BANDWIDTH : 15MHz
CROSSTALK : 60dB Typ.
4 STEREO INPUTS, 3 STEREO OUTPUTS
(TWO WITH LEVEL ADJUSTMENT)
MONO SOUND OUTPUT
STEREO TO MONO CAPABILITY ON BOTH
SCARTS
AUDIO MUTING ON ALL THE OUTPUTS
2
C BUS CONTROL
AUDIO/VIDEO SWITCH MATRIX
ORDER CODE : STV6411AD
(Full Plastic Quad Flat Pack)
TQFP64 (10 x 10 x 1.4mm)
STV6411A
1/20

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STV6411A Summary of contents

Page 1

... SCARTS AUDIO MUTING ON ALL THE OUTPUTS DESCRIPTION The STV6411A is a highly integrated I2C bus-con- trolled 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 also fully pin compat- ible with STV6410A, the three scart version ...

Page 2

... STV6411A PIN CONNECTIONS FBOUT_TV FBIN_VCR (see Note 1) FBIN_ENC ADD SCL SDA V CC12 NC SLB_TV NC SLB_VCR RIN_VCR (see Note 1) GNDV1 GIN_VCR (see Note 1) NC BIN_VCR (see Note 1) Note 1 : Pins (xx_VCR) identified as xx_AUX in STV6410A. PIN LIST Pin Number Symbol 1 RCOUT_TV 2 LOUT_TV 3 YCVBSOUT_TV COUT_VCR ...

Page 3

... Audio Switches Supply (8V) Audio right input, from TV Scart Audio Switches Ground Audio Right Output, to CINCH Audio Left Output, to CINCH Audio Right Output, to VCR sCart Blue Output Scart Audio Left Output, to VCR Scart Green Output Scart Audio Right Output Scart STV6411A 3/20 ...

Page 4

... R_VCR R_STB R_ENC 0/6dB -14dB MUTE 17 FBOUT_TV 61 BOUT_TV 63 GOUT_TV 1 RCOUT_TV 9 VOUT_RF TRAP 11 FILTER 3 YCVBS/OUT_TV 5 COUT_VCR 7 YCVBSOUT_VCR 25 SLB_TV SLOW BLANK, I/O MONITOR 27 SLB_VCR 21 SCL I C BUS 2 DECODER 22 SDA 59 LOUT_CINCH 0/6dB 58 ROUT_CINCH 0/6dB 62 LOUT_VCR STEREO/ MONO 60 ROUT_VCR 8 AOUT_RF 2 LOUT_TV STEREO/ MONO 64 ROUT_TV STV6411A ...

Page 5

... 8V, no input signal CCV1 CCV2 CCV3 12V CC12 SlBlk input mode SlBlk output mode, no load STV6411A Value 13 CC12 4 0, +70 -20, +150 Value Max 600 , LOUTV Min. Typ. Max. ...

Page 6

... STV6411A ELECTRICAL CHARACTERISTICS (continued 25° 8V, V amb CC CC unless otherwise specified. Symbol Parameter AUDIO SECTION SVR100 Supply Voltage Rejection SVR1K Supply Voltage Rejection V Input DC Level INDC V Input signal amplitude INAC R Input Resistance IN R Input resistance matching INmatch F Bandwith range ...

Page 7

... 5MHz one input 5MHz one input Pin other than RF_OUT 5MHz PP Pin RF_OUT STV6411A = 600 , 4. LOUTV Min. Typ. Max 1 muted ...

Page 8

... STV6411A ELECTRICAL CHARACTERISTICS (continued 25° 8V, V amb CC CC unless otherwise specified. Symbol Parameter SLOW BLANKING SECTION INPUT (Input mode 5%) CC8 SLBlow Input Low Level Threshold SLBhigh Input High Level Threshold I Input current IN OUTPUT (Output mode V = 12V 5%, V CC12 SLBLOW Output Low Level (int ...

Page 9

... Start Hold Time HD,STA t Start Set-up Time following Clock Low to High Transition SU,STA = 12V 10k , R CC12 LOUTA GA Test Conditions 5. 5. 3mA 1.5V STV6411A = 600 , 4. LOUTV Min. Typ. Max. -0.3 1.5 3 5.5 - 100 1 300 10 -0.3 1.5 3 5.5 ...

Page 10

... STV6411A BUS SELECTION Data transfers follow the usual I2C format: after the start condition (S), a 7-bit slave address is sent, followed by an eighth bit which is a data direction bit (W). A 8-bit subadress is sent to select a register, followed by a 8-bit data word to put in it. ...

Page 11

... Data Bits Used in STV6410A. In STV6411A Data Bits ...

Page 12

... RF output : adder control and chroma subcarrier filter selection Y/CVBS output and chroma signal selection Chroma switch muting 04 ENCODER R/Csub Clamp Used in STV6410A. In STV6411A applications should be set to zero (XXXXXX0X). RGB output Gain FB Output RGB ouputs selection 12/20 Data Bits ...

Page 13

... VCR Video Outputs Reg. Addr. Description (HEX) 05 VCR Y/CVBS & Chroma Outputs Selection VCR Chroma Output Muting Used in STV6410A. For STV6411A applications should be set to mute value (X000XXXX). Slow Blanking Switches Reg. Addr. Description (HEX) 06 Slow Blanking TV SCART Slow Blanking VCR SCART Used in STV6410A ...

Page 14

... STV6411A BUS SELECTION (continued) Standby Modes Selection Reg. Addr. Description (HEX) 07 VCR Clamps Disabling (RGB inputs) VCR Clamps Disabling ASTB Clamps Disabling TV Clamps Disabling Encoder Clamps Disabling TV/RGB Output Disabling VCR Output Disabling 08 CINCH Output Disabling RF MOD Output Disabling Output Signals (Read Mode) Data Byte Reg ...

Page 15

... Protected Pad Figure 4 : Audio Outputs (4 Stereo +1) 50k Figure 6 : Video Outputs 100 Protected Pad (Pins 40, 48, 54 25k tri (Pins 58, 59, 60-62 Protected Pad (Pins 61, 63 Protected Pad 5k STV6411A 25k 15/20 ...

Page 16

... STV6411A INPUT/OUTPUT GROUPS (continued) Figure External Capacitor (Pin 51) REF 40k 40k Figure 9 : Input Fast Blanking (Pins 18, 19 Protected Pad 2 Figure Bus (ADD) (Pin 20 10k Protected Pad 16/20 Figure 8 : Slow Blanking (Pins 25, 27 Protected Pad ...

Page 17

... AUDIO L AUDIO R SLOW BLANK CVBS RF MOD AUDIO L+R Acknowledge 10k R C STV6411A SWITCHES CVBS/Y SWITCHES CHROMA SWITCHES AUDIO SWITCHES SLOW BLANK, I/O CONTROL STV6411A AUDIO L CINCH AUDIO R OUTPUT R FAST BLANK CVBS/Y ENCODER C AUDIO L AUDIO R Y CVBS AUDIO L ANALOG STB AUDIO R R ...

Page 18

... Do not forget to bufferize your favourite UHF modulator video input... Chrominance outputs have 2.3V ( average value) and Luminance type output have 1.3V ( bottom value). Figure 17 : Video (and Fast Blanking) Outputs Video Out L/R Audio STV6411A 100nF 220 Video In 75 STV6411A 75 Video (4. ...

Page 19

... CC12 3.c - Read Mode This mode is used to read some data such as slow-blanking input signals. Send a start condition, the address of the device (+1) and then send one byte clock to read the unique data register. STV6411A . The former DD 19/20 ...

Page 20

... STV6411A PACKAGE MECHANICAL DATA 64 PINS - FULL PLASTIC QUAD FLAT PACK (TQFP Dimensions Min 0.05 A2 1.35 B 0. Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...

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