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TDA7718N Datasheet(PDF) 25 Page - STMicroelectronics |
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TDA7718N Datasheet(HTML) 25 Page - STMicroelectronics |
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25 / 40 page  TDA7718N Description of the audioprocessor Doc ID 16502 Rev 1 25/40 4.11 Audioprocessor testing In the test mode, which can be activated by setting bit D7 of the I2C subaddress byte and bit D0 of the testing audioprocessor byte, several internal signals are available at the SE1L pin. In this mode, the input resistance of 100 k Ω is disconnected from the pin. Internal signals available for testing are listed in the data-byte specification. Figure 19. Test circuit TSSOP28 CREF FD1L+/QD2L/SE4L FD1R-/QD2G/SE5L FD1R+/QD2R/SE5R FD1L-/QD2G/SE4R WnIn DCErr SDA SCL VCC MUTE WINTC GND 100nF 4.7u 4.7u 4.7u 4.7u 100nF 22u 100nF 100nF 100nF 100nF 100nF 100nF 4.7u 4.7u 4.7u 4.7u 4.7u 4.7u OUTLF OUTLR OUTRR OUTSWR OUTSWL OUTRF OUTLF OUTLR OUTRR OUTSWR OUTSWL OUTRF 100nF 10uF 10uF SE1L SE1R SE2L QD1G QD1L SE3R SE3L SE2R QD1R SE1L SE1R SE2L QD1G QD1L SE3R SE3L SE2R QD1R FD1L+/QD2L/SE4L FD1R-/QD2G/SE5L FD1R+/QD2R/SE5R FD1L-/QD2G/SE4R |
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