8 DS882DB1
CDB42L73
3. SYSTEM CONNECTIONS AND JUMPER SETTINGS
Board connections and settings are shown in Table 1 and Table 2 below.
Table 1. System Connections
CONNECTOR INPUT/OUTPUT CONNECTION TYPE AND SIGNAL IF PRESENT
J1 +5V EXT Input +5V external power supply
J2 GND Input Evaluation board ground
J3 VA EXT Input CS42L73 VA external supply
J4 VL EXT Input CS42L73 VL external supply
J5 VCP EXT Input CS42L73 VCP external supply
J6 VD_FILT EXT Input CS42L73 VD_FILT external supply
J7 VP EXT Input CS42L73 VP external supply
J20 C2 Input Microcontroller programming header
J9 USB Input/Output USB connection
J49 BATT Input External battery header
J51 MCLK1 Input CS42L73 MCLK1 external master clock connection
- By default, Y1 oscillator is populated and used for MCLK1.
- Remove Y1 oscillator before connecting external master clock.
J46 MCLK2 Input CS42L73 MCLK2 external master clock connection
J23 ASP Input/Output CS42L73 Audio Serial Port (LRCK, SCLK, SDIN, SDOUT)
- By default, shunts connect the columns marked “BOARD.” This connects the
CS42L73 Audio Serial port to the S/PDIF interface.
- To use external clock and data signals, remove shunts. Connect external sig-
nal and ground to columns marked “EXT CONN.”
J24 VSP Input/Output CS42L73 Voice Serial Port (LRCK, SCLK, SDIN, SDOUT)
J22 XSP Input/Output CS42L73 Auxiliary Serial Port (LRCK, SCLK, SDIN, SDOUT)
J21 Input/Output CS42L73 control port connections (SDA, SCL, INT
, RESET)
- By default, shunts connect the columns marked “BOARD.” This connects the
microcontroller to the control port of the CS42L73.
- To use external control signals, remove shunts. Connect external signal and
ground to columns marked “EXT CONN.”
J26 DIG MIC Input CS42L73 Digital microphone connection (SCLK, SD, GND, +1.8 V supply)
J16 S/PDIF IN Input Coaxial S/PDIF digital input
J17 S/PDIF IN Input Optical S/PDIF digital input
J18 S/PDIF OUT Output Coaxial S/PDIF digital output
J19 S/PDIF OUT Output Optical S/PDIF digital output
J32 LINEINA Input CS42L73 line input channel A
J33 LINEINB Input CS42L73 line input channel B
J34 MIC1 Input CS42L73 microphone input channel A
J35 MIC2 Input CS42L73 microphone input channel B
J29 HPOUT Output CS42L73 headphone output channel A and B
J30 LINEOUTA Output CS42L73 line output channel A
J31 LINEOUTB Output CS42L73 line output channel B
J52 SPKLINEO Output CS42L73 speakerphone line output
J48 SPKOUT Output CS42L73 speakerphone output
J47 EAROUT Output CS42L73 earphone output
(139 Seiten)
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