
3: Open-Q 865XR SOM Development Kit
Open-Q 865XR SOM Development Kit User Guide
14
3.4.2 Block Diagram
The block diagram below shows the connectivity and major components of the Open-Q 865XR SOM
Development Kit.
PM8150L - Core PMIC2
(WLED/BOB/LDO)
OpenQ865 SOM DEVKIT
OpenQ865 SOM DEVKIT
OpenQ865 uSOM
PM8150B - Interface PMIC
CHARGER/FG
EBI0/EBI1
LPDDR5 6GB Micron
MT62F768M64D4BG-036
UFS0
UFS 64GB SanDisk
SDINDDH4-64G
MIPI DSI0 4 lanes
MIPI CSI0 4 lanes
CCI0/1(GP101/2/3/4), MCLK0(GP94)
QCA6391
802.11a/b/g/n/ac
MIPI CSI1 4 lanes
MIPI CSI2 4 lanes
SDC2
Audio Codec
WCD9385
(Intrinsyc
Audio Module)
BATT
CONN
CAM1
CAM2
CAM POWER
CAM POWER
3V3
2V8
1V1
3V3
2V8
1V1
Power
B
uSD Card
Socket
TPS54020
12V-3.9V
DC_IN_12V
PWR
HEADER
CAM3
CAM POWER
3V3
2V8
1V1
DISPLAY CON
N
DEBUG
SERIAL
microUSB
QUP12_UART(GPIO34/35)
HEADSET
JACK
AUDIO INPUT
EXPANSION CONN
AUDIO OUTPUT
EXPANSION CONN
SENSOR CON
N
R
G
PM8250 PHONE_ON_N
PM8250 CBL_PWR_N
PM8250 PM_RESIN_N
PM8250 VOLP_N
GPIO27 BOOT CONFIG1
FORCED_USB_BOOT
BATT ID/THERM
ON Board SELECT
CCI0/1, MCLK0, CAM0_CTRLS
CSI0
CSI1
CSI2
PM8150L VREG_WLED
DISPLAY POWER
QUP13_I2C
GPIO144/67/2/1/66/75/3
PM8150L VDISP_P/M
SDC2
TOUCH_I2C
LCD_CTRLS
VDISP_P/M
DSI0
GPIO146-151 SWR
2x CDC_LINEOUTx
3x CDC_INx_P/N
CDC_HPH_L/R, MIC_INx_P/N
SNS_I3C1 (GPIO162/3)
SNS_SPI2 (GPIO164-167)
SNS_IRQs
SSC INTERRUPTS
3V9
OR
VBATT
SWR
VREG_L9C_2P96
BATT_THERM
BATT_ID
FTDI
USB-UART TCVR
VREG_L8C_1P8
VREG_L10C_3P0
3x MIC_BIASx
CDC_EAR_P/N
MIC_BIASx
MBHC_HS_DET_L
DEBUG
SERIAL
3PIN
QUP0_UART
3xCDC_DMIC_CLK/DAT
CDC_SWR_CLK/DAT
SPK_AMP_EN
AUDIO DIGITAL I
/O
EXPAN
SION
CON
N
PM8150L RGB_GRN
PM8150L RGB_RED
PM8150L RGB_BLU
VBATT
3V9
TPS61253
5V BOOST
TPS630252
3.3V BUCK
RT8077
1.5V BUCK
LD39200
1V3-1V1
x3 (CAM)
RP114K281
3V3-2V8
X3 (CAM)
MB_VREG_5P0
MB_VREG_3P3
MB_VREG_1P5
MB_CAM0/1/2_AVDD
MB_CAM0/1/2_VCM
MB_VREG_1P5
VREG_CAM0/1/2_DVDD
VREG_L9C_2P96
USB
Type-A
USB1_VBUS
GPIO156-159 LPI MI2S2
MV_VREG_1P8
MB_VREG_3P3
MB_VREG_5P0
DC_IN_12V
VREG_WLED
MI2S, SPEAKER I2S
TC7USB40MU
USB SWITCH
DUAL
USB HS SWITCH
USB1 SS
USB1 SS
USB1 HS
USB1 HS
PCIe
M.2
USB HS PCIE M.2
PCIE2
PCIE2
GPIO26
HIGH SIDE
SWITCH
USB_VBUS_EN
GPIO117 GP_USER
SIM
PM8250 - Core PMIC1
(GENERAL HK/UI/GPIO/
SMPS/LDO)
VREG_L13A_3P0
UMI
RF
FEM
PM8009 –
QCA PMU (SOM)
PMK8002 –
CLK DISTRIBUTION
(SOM)
PM3003A –
DDR_CORE (SOM)
CCI0/1(GP101/2/3/4), MCLK1(GP95)
CCI0/1, MCLK1, CAM1_CTRLS
CCI0/1(GP101/2/3/4), MCLK2(GP96)
CCI0/1, MCLK2, CAM2_CTRLS
MIPI DSI1 4 lanes
DSI1
DIGITAL IO
EXPAN
SION
HEADER
QUP14_SPI
QUP14
QUP18
VREG_S4A_1P8
MB_VREG_3P3
QUP18_SPI
QUP4_SPI
QUP4
MB_VREG_5P0
USB0 SS
GPIO152-155 LPI MI2S1
GPIO146-151 LPI MI2S0
GPIO133-137 MI2S2
QUP1_I2C(GPIO4/5)
QUP1 I2C
SNS_I2C3(GPIO168/9)
SNS_I2C4(GPIO170/1)
SNS_I3C0 (GPIO160/1)
SSC_I2C/SPI/UART
PM8150L_PWM (GP10)
PM8150L_PWM
USB0 HS
USB CC1/2/SBU
USB0 SS
USB0 HS
USB0 CC1, CC2, SBU
WLAN_COEX
WL_XFEM_TX_EN
WLAN_COEX
WL_XFEM_TX_EN
USB_VBUS
DC JACK
VPH_PWR
VREG_L14A_1P8
VREG_S4A_1P8
VREG_L8C_1P8
VREG_L9C_2P96
VREG_L10C_3P0
VREG_L11C_3P3
VREG_L5F_2P85
VREG_L7F_1P8
MB_VREG_5P0
VREG_S8C_1P3
VBUS
VREG_L13A_3P0
VREG_L11C_3P3
VREG_L14A_1P8
MB_VREG_5P0
MB_VREG_3P3
VREG_L5F_2P85
DC_IN_12V
Figure 2. Open-Q 865XR SOM Dev Kit Block Diagram
3.4.3 Optional Accessories
Optional accessories are available for the Open-Q 865XR SOM Development Kit, like LCD Panel,
Camera adapter, and sensor board.
Please visit the product store for availability of these