Audio Outputs Expansion Header J1602 - Intrinsyc Open-Q 660 User Manual

Open-Q™ 660 HDK Hardware Development Kit based on the Snapdragon™ 660 processor User Guide Version 1.0
Table 3.8-9 Audio Inputs Expansion Header J1601 Pin out
Description
Analog MIC1
positive
differential
input
Analog MIC2
positive
differential
input
MIC bias
output voltage
1
Analog MIC3
positive
differential
input
MIC bias
output voltage
4
GND
Clock for
digital MIC3
Digital
MIC3data line
1.8V power
supply max
300mA
GND

3.8.2.9 Audio Outputs Expansion Header J1602

This header expansion provides the following audio outputs:
2 differential analog audio line out

2 single ended analog audio line out

1 differential analog earpiece amplifier output (no external amp needed)

2 speaker amplifier enable control

Signal Pin NO
CDC_IN1_P J1601[1]
CDC_IN5_P J1601[3]
MIC_BIAS1 J1601[5]
CDC_IN6_P J1601[7]
MIC_BIAS4 J1601[9]
GND J1601[11]
CDC_DMIC_C J1601[13]
LK1
CDC_DMIC_D J1601[15]
ATA1
VREG_S4A_1 J1601[17]
P8
GND J1601[19]
Figure 15 J1602 Audio Outputs Expansion Header
Copyright Intrinsyc Technologies Corporation
Description Signal
Analog MIC1 CDC_IN1_N
negative
differential
input
Analog CDC_IN5_N
MIC2negative
differential
input
MIC bias MIC_BIAS3
output voltage
3
Analog MIC3 CDC_IN6_N
negative
differential
input
3.3V power MB_VREG_3P
supply max 3
500mA
GND GND
Clock for CDC_DMIC_C
digital MIC1 LK2
Digital CDC_DMIC_D
MIC1data line ATA2
Clock for CDC_DMIC_C
digital MIC2 LK3
Digital CDC_DMIC_D
MIC2data line ATA3
29
Pin NO
J1601[2]
J1601[4]
J1601[6]
J1601[8]
J1601[10]
J1601[12]
J1601[14]
J1601[16]
J1601[18]
J1601[20]