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