HDK8450 (SM8450P) Processor User Guide
Display card
80-28453-2 Rev. C Confidential
– Qualcomm Technologies, Inc. and/or its affiliated companies – May Contain Trade Secrets
38
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
Domain
Description
Specification
Usage
Sensor3 expansion
60-pin GenX sensor
connector
I3C, I2C, SPI, INTs, powers
for sensor
For sensor gen board
connection
Sensor4 connector
24-pin Legacy sensor
connector
I3C, I2C, SPI, INTs, powers
for sensor
For sensor cards used
on legacy HDKs
4.2.1 Sensor3 expansion GenX connector
For dual I3C and I2C application, Sensor3 can be used with proper software setting.
Figure 4-2 J701 Sensor3 Expansion GenX Connector
Table 4-3 Sensor3 Expansion GenX Connector Pinout
Pin#
Signal
Description
Pin#
Signal
Description
J701[1]
NC
J701[2]
NC
J701[3]
NC
J701[4]
IMU_SPI_MOSI
GPIO 193
J701[5]
NC
J701[6]
IMU_SPI_MISO
GPIO 192
J701[7]
NC
J701[8]
IMU_SPI_SCLK
GPIO 194
J701[9]
NC
J701[10]
IMU_SPI_CS_N
GPIO 195
J701[11]
NC
J701[12]
NC
J701[13]
NC
J701[14]
NC
J701[15]
NC
J701[16]
NC
J701[17]
NC
J701[18]
SAR_INT_N
GPIO63
J701[19]
NC
J701[20]
ALSP_INT_N
GPIO14
J701[21]
NC
J701[22]
HALL_INT_N
GPIO13
J701[23]
VREG_L8C_1P8
_SNS
1.8V sensor
digital power
J701[24]
NC
J701[25]
NC
J701[26]
IMU2_INT
GPIO12
J701[27]
NC
J701[28]
PRESS_INT
GPIO83
J701[29]
NC
J701[30]
IMU1_INT
GPIO15
J701[31]
NC
J701[32]
MAG_INT_N
GPIO62
J701[33]
NC
J701[34]
SENSOR_I3C_SCL
GPIO 189
J701[35]
NC
J701[36]
SENSOR_I3C_SDA
GPIO 188
J701[37]
NC
J701[38]
VREG_L7C_3P0_S
NS
3.0V sensor
analog power
J701[39]
NC
J701[40]
NC
J701[41]
NC
J701[42]
NC
J701[43]
NC
J701[44]
NC
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