Development Kit Block Diagram - Lantronix Open-Q 212A User Manual

3.6 Development Kit Block Diagram

The following diagram explains the interconnectivity and peripherals on the Open-Q 212A development
platform. Note that not all HW features shown here may be supported by current SW.
Switches &
LEDs
Power &
Battery
Charging
Circuits
Power
SOM Power
Probe
Physical
disconnect
Audio
4x AMIC
I/O header
1x Lineout
3.5mm headset jack
1x headset
WSA8815
Speaker terminal
Spk amp
WSA8815
Speaker terminal
Spk amp
External codec header
GPIO Expansion Header
Sensor Header
SPI x1, I2C x1, Interrupts
Automation header
Open-Q 212A Carrier Board
Apr 2 nd , 2018
Open-Q™ 212A Development Kit User Guide
212A SOM
GPIO
SPMI
PM8916-1
Power
PMIC
I2C
Audio Codec
WCD9326
I2S-RX
I2S-TX
PDM
I2S-1/ PDM
I2S-2
System configuration
Boot Mode Switches
CSI x4
CCI
GPIO
From PMIC
GPIO/MPP
BLSP/GPIO
SPI / I2C / GPIO
System Control / Power
Figure 2 Open-Q 212A Platform Block Diagram
GNSS Ant Conn
eMMC LPDDR3
U.FL
SDC1 EBI
WRG7640
GNSS Receiver
SPMI
APQ8009
IQ + CNTL
VPH_PWR
UART
BLSP
3.3V Reg
I2S-1/PDM
PCM
I2S-2
LiteOn
QCA9379-3
Module
SDC2
SDIO
GPIO
GPIOs
GPIOs
Boot Mode
CSI 0
BLSP
USB2
HW ID
GPIO
4 bit
JTAG
Header
JTAG
(Not
available by
default)
BLSP/GPIO
Control / SPI / I2C
GPIO
DSI 0
4 lane
BLSP
BLSP/GPIO
UART/
DMIC0
FTDI Serial
UART
USB
Open-Q 212A Development Kit
GNSS Front-
SMA
U.FL
end
PCB Antenna
SMA SMA
PCB PCB
PCB
Antenna Antenna
Antenna
MHF4 MHF4
MHF4
MHF4
MHF4
HS
HS
USB Hub
Display select
DSI x4
DSI
switch
DSI x4
DSI-HDMI
Bridge
Control / SPI / I2C
I2S (WCD9326 or Ext. Codec)
Debug UART
microUSB
SMA
MHF4
Micro-
USB
(ADB)
USB
host x2
Display
Board
Connector
HDMI
Output
Conn
14