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TDA8440 数据表(PDF) 5 Page - NXP Semiconductors

部件名 TDA8440
功能描述  Switch for CTV receivers
Download  12 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

TDA8440 数据表(HTML) 5 Page - NXP Semiconductors

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November 1985
5
Philips Semiconductors
Product specification
Switch for CTV receivers
TDA8440
I2C BUS CONTROL
Detailed information on the I2C bus is available on request.
Table 2
TDA8440 I2C bus protocol.
OFF FUNCTION
With the OFF input all outputs can be switched off (mode high ohmic), depending on the value of D0.
STA
A6
A5
A4
A3
A2
A1
A0
R/W
AC
D7
D6
D5
D4
D3
D2
D1
D0
AC
STO
STA
=
start condition
A6
=
1
Fixed address bits
A5
=
0
Fixed address bits
A4
=
0
Fixed address bits
A3
=
1
Fixed address bits
A2
=
sub-address bit, fixed via S2 input
A1
=
sub-address bit, fixed via S1 input
A0
=
sub-address bit, fixed via S0 input
R/W
=
read/write bit (has to be 0, only write mode allowed)
AC
=
acknowledge bit (= 0) generated by the TDA8440
D7
=
1 audio la is selected to audio output a
D7
=
0 audio la is not selected
D6
=
1 audio lla is selected to audio output a
D6
=
0 audio lla is not selected
D5
=
1 audio lb is selected to audio output b
D5
=
0 audio lb output is not selected
D4
=
1 audio llb is selected to audio output b
D4
=
0 audio llb is not selected
D3
=
1 video l is selected to video output
D3
=
0 video l is not selected
D2
=
1 video ll is selected to video output
D2
=
0 video ll is not selected
D1
=
1 video amplifier gain is times 2
D1
=
0 video amplifier gain is times 1
D0
=
1 OFF-input inactive
D0
=
0 OFF-input active
STO
=
stop condition


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