SENSIRION SCD30 - Page 3

www.sensirion.com Version 0.93 – D1 – December 2018 3/19
I2C write 16bit command with arguments
Example: Trigger continuous measurement (Pressure = 0mBar)
START 0xC2 0x00 0x10 0x00 0x00 0x81 STOP
(Red: Write Header; Blue: Read Header; Black: Data; Green: CRC; Start Condition: START; Stop Condition: STOP)
S
W
I2CAddress
Cmd MSB
ACK
Cmd LSB
ACK
Clock
Stretching
ACK
Data0 MSB
ACK
Data0 LSB
ACK
CRC0
P
or
Data1 MSB
ACK
Data1 LSB
ACK
CRC1
P
or
DataN MSB
ACK
DataN LSB
ACK
CRCN
P
ACK
ACK
ACK