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This page shows the pinout that has been pre-configured in the RapidConnect Lighting & Sensor firmware. For more details regarding peripheral compatibility or use the hardware that is included with the RapidConnect Lighting & Sensor Evaluation Board, see the Evaluation Board Schematic page.

Interface Summary

Digital In: PIR Occupancy Sensor, Ultrasonic Occupancy Sensor, Factory Reset Button

...

  • All pins have maximum sourcing and sinking current of 4mA.
  • EM357 runs off a 3.3V 
  • (*) indicates ADC capable pin
  • (#) indicates PWM capable pin
Module PadFunctionRelation to zigbee FeaturesEM357 GPIO Hardware Integration Comments
1

PIR Digital In

When either of the two occupancy inputs are triggered (i.e. this pin or the Ultrasonic Digital In), the Occupancy Sensor Endpoint will
inform the network that Occupancy is "true"
update the value of the Occupancy Attribute in the Occupancy Sensing cluster.PC6 (13)
  • INPUT - Digital (Active Low)
  • Internal Pull-up
    • Requires Hardware Debounce
    USAGE INSTRUCTIONS
    • Internal pull-up on the EM357 is enabled.
    2

    Relay Out

    		When On/Off commands are sent to the Dimmable Light Endpoint, this output will turn on/off accordingly.PC7 (14)OUTPUT - Digital (Active High)
    3

    Reserved


    		PA7 (18)#Reserved for Future PWM
    4VCC (3.3 VDC)


    5nCTS / SPI Slave CLK
    		PB3 (19)#Reserved for Future PWM
    6

    nRTS / SPI Select (Host Controlled Handshake Line)


    		PB4 (20)#Reserved for Future PWM
    7

    nReset, active low


    		(12)
    8

    Network Status LED (PTI_EN)

    Used as an indicator for two purposes:

    Network Status

    • Joined: the LED will be SOLID.
    • Down: the application is never in the Network Down state, as it will persistently scan for a network if its not joined to one.
    • Scanning: the LED will BLINK.

    Identify

    • On reception of an Identify command, the LED will BLINK for the specified Identify Time.
    		PA4 (26)*OUTPUT - Digital (Active High)
    9

    Reserved (PTI_DATA)


    		PA5 (27)*
    10

    JTDO


    		PC2 (33)
    11

    JTCK


    		(32)
    12

    JTD


    		PC3 (34)
    13JTMS
    		PC4 (35)
    14JRST
    		PC0 (40)
    15

    RXD


    		PB2 (31)UART Serial RX
    16

    PWM Out

    		When a Level Control command is received, the duty cycle of the PWM pin will be updated to match the intended Level (i.e. 0-100%).PA6 (29)#
    • OUTPUT - Digital (Active High)
    • 1k Hz Frequency
    17

    TXD


    		PB1 (30)UART Serial TX
    18GND


    19

    Ultrasonic Digital In

    		When either of the two occupancy inputs are triggered (i.e. this pin or the PIR Digital In), the Occupancy Sensor Endpoint will inform the network that Occupancy is "true".PC1 (38)*
    • INPUT - Digital (Active Low)
    • Internal Pull-up
    • Requires Hardware Debounce
  • USAGE INSTRUCTIONS
    • 20

    Illuminance Analog In

    		The value conveyed via this analog input will be reported to the network by the Light Sensor.PB7 (41)*
    21

    Network Button

    		When this input is held low for >5 seconds, the application will execute a Factory Reset, leaving the network and clearing all settings.PB6 (42)*
    • INPUT - Digital (Active Low)
    • Internal Pull-up
    • Requires Hardware Debounce
    • Hold low for >5 seconds to initiate Factory Reset