Intrinsyc LANTRONIX Open-Q 624A User Manual page 33

Description
Analog MIC1 positive
differential input
Analog MIC1 negative
differential input
Analog MIC2 positive
differential input
Analog MIC2 negative
differential input
GND
Analog MIC3 positive
differential input
Analog MIC3 negative
differential input
Analog MIC4 positive
differential input
Analog MIC4 negative
differential input
GND
Mic Bias output voltage 1
Mic Bias output voltage 2
Mic Bias output voltage 3
Mic Bias output voltage 4
GND
1.8V output power supply
Open-Q™ 624A Development Kit User Kit
Signal Pin
NO
CDC_MIC1_P J50[1]
CDC_MIC1_N J50[3]
CDC_MIC2_P J50[5]
CDC_MIC2_N J50[7]
GND J50[9]
CDC_MIC3_P J50[11
]
CDC_MIC3_N J50[13
]
CDC_MIC4_P J50[15
]
CDC_MIC4_N J50[17
]
GND J50[19
]
CDC_MIC_BIAS1 J50[21
]
CDC_MIC_BIAS2 J50[23
]
CDC_MIC_BIAS3 J50[25
]
CDC_MIC_BIAS4 J50[27
]
GND J50[29
]
VREG_L5_1P8 J50[31
Description
GND
Connects to SOM DMIC
CLK Input (GPIO 89)
Connects to SOM DMIC
DATA Input (GPIO 90)
CLK for Dual DMICs on
Channel 1 (U1601 &
U1602)
DATA for Dual DMICs on
Channel 1 (U1601 &
U1602)
GND
CLK for Dual DMICs on
Channel 2 (U1603 &
U1604)
DATA for Dual DMICs on
Channel 2 (U1603 &
U1604)
CLK for Dual DMICs on
Channel 3 (U1605 &
U1606)
DATA for Dual DMICs on
Channel 3 (U1605 &
U1606)
GND
PMI 8951 GPIO 1.
Configurable.
CLK for Dual DMICs on
Channel 0 (U1609 &
U1610).
DATA for Dual DMICs on
Channel 0 (U1609 &
U1610).
Input.
GND
Open-Q™ 624A Development Kit
Signal Pin
NO
GND J50[2]
624_DMIC0_CLK J50[4]
624_DMIC0_DATA J50[6]
CDC_DMIC1_CLK J50[8]
CDC_DMIC1_DATA J50[10]
GND J50[12]
CDC_DMIC2_CLK J50[14]
CDC_DMIC2_DATA J50[16]
CDC_DMIC3_CLK J50[18]
CDC_DMIC3_DATA J50[20]
GND J50[22]
PMI_GPIO_1 J50[24]
212_DMIC0_CLK J50[26]
212_DMIC0_DATA J50[28]
GPIO_MIC_MUTE_ J50[30]
STATUS
GND J50[32]
33