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Quick-start guide for XENSIV™ PAS CO2 Sensor2Go
evaluation kit
(ABOC)
2
Hardware details
2.1
Connection of the mini-evaluation board with the motherboard
Connect the mini-evaluation board and motherboard as shown in Figure 2. For proper connection please connect
pin 1 of the mini-board as shown in the figure.
Figure 2
Connection of the mini-evaluation board with the sensor to go evaluation kit motherboard
The relevant pin description of the XENSIV™ PAS CO2 mini evaluation board is presented in the following table.
Pin (mini-
Pin
board
(external
connection)
pin header)
1
3
2
4
3
6
4
5
5
9
5b
11
6b
12
6
1
7
8
8
7
9
10
10
2
*Is referring to XENSIV
TM
XENSIV
PAS CO2 Gen 1.
TM
User manual
Symbol
Type
VDD3.3
Power supply
(3.3 V)
RX
Input
SCL
Input/Output
TX/SDA
Input/Output
PWM_DIS
Input
SWD
N/A
SWCLK
N/A
GND
Ground
INT
Output
PSEL
Input
PWM
Output
VDD12 / VDD5*
Power supply
(12 V / 5 V*)
PAS CO2 Gen 1.5 which is using 5 V for the emitter instead of the 12 V compared to
Description
3.3 V digital power supply
UART receiver pin
2
I
C clock pin (3.3 V domain)
UART transmitter pin (3.3 V domain)/I
pin (3.3 V domain)
PWM disable input pin (3.3 V domain)
Do not connect
Do not connect
Ground
Interrupt output pin (3.3 V domain)
Communication interface select input pin
(3.3 V domain)
PWM output pin (3.3 V domain)
12 V / 5V* power supply for the IR emitter
3 of 14
2
C data
V 1.3
2024-03-01
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