EM1-H0R0V-1N SENSIRION, EM1-H0R0V-1N Datasheet - Page 12

• Manufacturer Part Number: EM1-H0R0V-1N
• Description: MASS FLOW METER, FOR GASES
• Manufacturer: SENSIRION

Specifications of EM1-H0R0V-1N

• Svhc: No SVHC (15-Dec-2010)
• Air Flow Range: 0 - 0.05 L/min
• External Length / Height: 104mm
• External Width: 33.7mm
• Height: 43.6mm
• Length (imperial): 5.35"
• Output Configuration: RS232/SPI
• Output Type: RS232
• Pressure Max: 8bar
• Supply Voltage Range Dc: 7V To 18V
• Supply Voltage Dc Max: 18VDC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MOSI
SCK
/CS
CMOSens
Figure 10: Timing Diagram of the CMOSens
4.3 SPI Output
The scope diagram further describes the CMOSens
Data on MOSI are valid after falling edge of SCK.
1 = SCK
2 = MOSI
3 = /CS
Figure 11: Scope Diagram. Value: 0000100110010010 bin / 0992 hex / 2450 dec ==> 19.14 ln/min
Note: Free PC Software supporting serial RS232 communication can be downloaded from http://www.sensirion.com
www.sensirion.com
®
EM1 Mass Flow Meter for Gases
Serial clock output
Serial data output
Chip select
tcss
MSB
bit
15
tclk
14...9
bit
®
Data Sheet EM1 - v 2.6 / October 2006
MFM SPI Interface.
®
EM1 device SPI mode data access protocol.
bit
8
tst
twait
bit
7
6...1
bit
LSB
bit
0
12 / 17