CMR3000-D0X VTI Hamlin, CMR3000-D0X Datasheet - Page 2

• Manufacturer Part Number: CMR3000-D0X
• Description: Cmr3000-d0x Block Diagram With Digital Spi And I 2 C Interface
• Manufacturer: VTI Hamlin

TABLE OF CONTENTS
1 General Description ........................................................................................................... 4
2 Reset and power up, Operation Modes, HW functions and Clock ................................. 7
3 Addressing Space .............................................................................................................. 8
4 Serial Interfaces ............................................................................................................... 11
VTI Technologies Oy
Myllynkivenkuja 6
P.O. Box 27
FI-01621 Vantaa
www.vti.fi
1.1
1.2
2.1
2.2
2.3
2.4
2.5
2.6
3.1
3.2
3.3
4.1
4.2
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
1.2.7
2.3.1
2.3.2
4.1.1
4.1.2
4.1.3
4.1.4
4.2.1
1.2.5.1
1.2.5.2
1.2.5.3
4.1.2.1
Introduction ................................................................................................................................4
Functional Description ..............................................................................................................4
Reset and power up...................................................................................................................7
Power Down mode.....................................................................................................................7
Measurement Mode ...................................................................................................................7
Stand By Mode ...........................................................................................................................7
Interrupt function (INT-pin) .......................................................................................................7
Clock ...........................................................................................................................................7
Register Description..................................................................................................................8
Non-volatile memory .................................................................................................................8
Registers.....................................................................................................................................8
SPI Interface .............................................................................................................................11
I
2
C Interface ..............................................................................................................................13
Sensing element..................................................................................................................4
Interface IC...........................................................................................................................4
Factory calibration ..............................................................................................................5
Supported features .............................................................................................................5
Operation modes.................................................................................................................5
Interrupt................................................................................................................................5
Operational flow chart ........................................................................................................6
Description...........................................................................................................................7
Usage....................................................................................................................................7
SPI frame format................................................................................................................11
Examples of SPI communication.....................................................................................12
Multiple slave devices in SPI bus ....................................................................................12
Output register data refresh.............................................................................................13
I
2
C frame format.................................................................................................................13
Power Down .................................................................................................................................5
Stand By .......................................................................................................................................5
Measurement................................................................................................................................5
Example of register read...........................................................................................................12
Doc.Nr. 82112900.A.02
CMR3000-D0X Series
Rev. A.02
2/ 26