Analog Devices EVAL-ADAU1860, Руководство пользователя

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User Guide EVAL-ADAU1860
HARDWARE DESCRIPTION
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Table 9 lists the connector and jack descriptions.
Table 9. Connector and Jack Description
Reference Designator
Functional Name Description
P1 ADDR1_MOSI/UART_RX Used to connect I
2
C Address 1 and SPI data input to the ADAU1860 , or
to connect UART data receiver to the ADAU1860.
P2 Serial Audio Port 0 Input and output header for serial audio signals.
P3 Serial Audio Port 1 Input and output header for serial audio signals.
P4 ADDR0_SS/IOVDD Used to select ADDR0_SS or IOVDD for the ADAU1860. ADDR0 is I
2
C
Address 0, and SS is the SPI latch signal.
P5 SCL_SCLK/GND Used to select SCL_SCLK or GND for the ADAU1860. SCL is I
2
C clock,
and SCLK is the SPI clock.
P6 SDA_MISO/UART_TX Used to connect I
2
C data and SPI data output to the ADAU1860, or to
connect the UART data transmitter to the ADAU1860.
P7 PDM output interface Header that allows PDM interface devices to be connected to the EVAL-
ADAU1860EBZ.
P8 EXT_MCLK/oscillator Used to select between the on-board oscillator or an external clock signal
to connect to the ADAU1860, and it must be used with P27.
P9 Analog Input 0 Default differential input pins connection.
P10 Analog Input 1 Default differential input pins connection.
P11 Analog Input 2 Default differential input pins connection.
P12 ADC1 input option Used to select single-ended input or differential input (AINP1 connects to
GND).
P13 ADC2 input option Used to select single-ended input or differential input (AINP2 connects to
GND).
P14 ADC1 input option Used to select single-ended input or differential input (AINP1 connects to
CM).
P15 ADC2 input option Used to select single-ended input or differential input (AINP2 connects to
CM).
P16 External headphone Header that allows external headphone loads to be connected to the
EVAL-ADAU1860EBZ.
P17 1.8V_LDO/EXT_AVDD Used to select between the external source or the 1.8 V on-board LDO
regulator for the AVDD and HPVDD.
P18 DVDD_LDO/EXT_DVDD Used to select between the external source or on-board LDO regulator for
DVDD.
P19 HPVDD_L_LDO/EXT_HPVDD_L Used to select between the external HPVDD_L source or the on-board
LDO regulator for HPVDD_L.
P20 External flash interface Header that connects the external flash to the ADAU1860. When using
the external flash, connect P49 to P54 and disconnect P55 to P58.
P21 UART interface UART communication with level shift.
P22 USB interface USB 5 V power and communication.
P23 DMIC Interface 2 Header that allows the external digital microphones to be connected to
the EVAL-ADAU1860EBZ.
P24 REG_EN Used to select AVDD or GND to REG_EN.
P25 Oscillator disable Connect P25 to disable the oscillator.
P26 SELFBOOT Used to select IOVDD or GND to SELEFBOOT_MP19.
P27 XTALI/MCLKIN option Used to select the signal from P8 or the on-board crystal as the XTALI/
MCLKIN.
P29 ROM_BOOT_MODE Used to select IOVDD or GND to ROM_BOOT_MODE_MP21.
P30 Headphone output Differential output.
P42 EXT_AVDD Used to connect the external AVDD supply to the EVAL-ADAU1860EBZ.
P43 EXT_IOVDD Used to connect the external IOVDD supply to the EVAL-ADAU1860EBZ.