User's Manual

Figure2‐5:I
2
CConnectionsontheLAUNCHCC3220MODASF
ByremovingJ14andJ15,theaccelerometerandthetemperaturesensorsareisolatedfromtheI
2
Cbus.
NoethatthisstepalsoremovesanypullupresistorsfromtheI
2
Cbusandanysensorsconnectedtothe
busrequiresexternalpullups.
2.1.3 JumperSettings
Table2‐2liststhe I
2
Cconnectionjumpersettings.
Reference
Usage
Comments
J15
I2C SDA
Short : Connect the CC3220MODASX I2C bus to the on-board sensors with pull-
up Open : Isolate the sensors from the CC3220
J14
I2C SCL
Short : Connect the CC3220MODASX I2C bus to the on-board sensors with pull-
up Open : Isolate the sensors from the CC3220
Table2‐2:JumperSettings
2.1.4 DefaultI
2
CAddress
Table2‐3liststhe defaultI
2
Caddress.
Sensor Type
Ref Part Number Slave Address
Temp sensor
U10
TMP006
0x41
Accelerometer
U11
BMA222E
0x18
Table2‐3:DefaultI
2
Caddress