Open-Q™ 624A Development Kit
Open-Q™ 624A Development Kit User Kit
37
Description
Signal
Pin # Description
Signal
Pin #
MI2S Bus 2 – Data bit 1
(GPIO 138)
Note
shared
with HDMI Connector.
Connected to this
connector by default.
Connect to HDMI by
turning DIP SW S2 to
‘ON’
MI2S_2_D1_HDR
J1[21] GND
GND
J1[22]
MI2S Bus 2 – Data bit 0
(GPIO 137)
Note
shared
with HDMI Connector.
Connected to this
connector by default.
Connect to HDMI by
turning DIP SW S2 to
‘ON’
MI2S_2_D0_HDR
J1[23] General Purpose. GPIO
96
GPIO_96_OR_53
J1[24]
MI2S Bus 2 – WS (GPIO
136)
Note
shared with
HDMI Connector.
Connected to this
connector by default.
Connect to HDMI by
turning DIP SW S2 to
‘ON’
MI2S_2_WS_HDR
J1[25] General Purpose. GPIO
98
GPIO_98_OR_55
J1[26]
MI2S Bus 2 – SCK (GPIO
135)
Note
shared with
HDMI Connector.
Connected to this
connector by default.
Connect to HDMI by
turning DIP SW S2 to
‘ON’
MI2S_2_SCK_HDR
J1[27] Enables on-board
amplifiers. May be used to
enable external
amplifiers/devices. (GPIO
68)
GPIO_68_AMP_PWR_
EN
J1[28]
GND
GND
J1[29] Primary MI2S master clock
A
(GPIO 25)
GPIO_25_MI2S_MCLK
J1[30]
+1.8V Power. 150mA
Current Limit
VREG_L5_1P8
J1[31] GND
GND
J1[32]
+3.3V Power. Shared
with system.
MB_VREG_3P3
J1[33] Not Connected
212_GPIO_75
J1[34]
+5.0V Power. Shared
with system.
MB_VREG_5P0
J1[35] Not Connected
212_GPIO_84
J1[36]
+12V Power. Shared with
system.
DC_IN_12V
J1[37] GPIO 45
GPIO_45_AMP_FAULT
J1[38]
GND
GND
J1[39] GPIO 44
GPIO_44_AMP_RST_N
J1[40]
