Open-Q™ 624A Development Kit
Open-Q™ 624A Development Kit User Kit
14
3.6 Development Kit Block Diagram
The block diagram below shows the complete Open-Q 624A development platform, including the SOM and
carrier board.
Open-Q™ 624A Carrier board
Open-Q™ 624A SOM
PMI8952
PMIC
SPMI
4 lane DSI
Control / SPI / I2C
4 lane
CCI
SPMI
PM8953
PMIC
Camera Conn
0
DC Input
Conn
Power &
Batt Chg
Circuits
Pwr
Switches
& LEDs
UART / SPI / I2C / GPIO
Debug UART
microUSB
Display
connector
WiFi / BT
QCA9379-3
SDIO
4 lane
Control / SPI / I2C
HDMI
Output
Conn
4 lane
CCI
Camera Conn
1
UART / SPI / I2C / GPIO
SS
USB3
Type C
connector
Sensor Header
UART / SPI / I2C / GPIO
APQ8053
DSI 0
UART
USB 0
SDC2
BLSP
SDC1
EBI
SLIMBus
DSI-HDMI
Bridge
BLSP/GPIO
USB3
Switch
For TypeC
SS
USB SS
SW select
WiFi/BT Ant
Conn
FTDI
Serial USB
VBUS
To PMIC
BLSP
CSI 1
BLSP
CSI 0
GPIO Expansion Header
BLSP/GPIO
From PMIC
GPIO/MPP
WRG7640
GNSS
Receiver
GNSS Ant Conn
IQ + CNTL
U.FL
U.FL
GNSS
Front-end
Boot Mode
Switches
JTAG
JTAG
header
SOM Power
Probe
Pwr
Pwr
Boot
Mode
UART
3.3V
Reg
VPH_PWR
Audio Codec
WCD9335
Audio I/O
4x AMIC
3x DMIC
Audio IO/Microphone
header
WSA8815
Spk amp
PDM
Speaker terminal
DSI
switch
DSI 4L
Display select
GPIO
GPIO
System
config sw
GPIOs
BLSP/GPIO
BLSP/GPIO
SPMI
I2S-1
I2S-2
eMMC
flash
LPDDR3
RAM
WSA8815
Spk amp
Speaker terminal
3x DMIC
pairs
SlimBUS,
I2S-1, I2S-2
to B2B
connector
APQ
8053
inte
rface
DMIC pair
DMIC0
3.5mm
Headset
Jack
LINE OUT
2 channels
(to audio IO header)
HS
USB Hub
USB
host
x2
Micro
USB
HS
HW ID
4 bit
GPIO
I2S
For HDMI
MHF4
MHF4
MHF4
MHF4
MHF4
MHF4
PCB Antenna
PCB Antenna
PCB Antenna
SMA
PCB Antenna
Physical
disconnect
Physical
disconnect
I2S
Automation header
JTAG PSHOLD/RESETS/VBAT
(details on FRS document)
Batte
ry
connector
External codec
header
I2S/ SLimbus
UART
Figure 3 Open-Q 624A Platform Block Diagram