PNI SENtral MandM - Manual (Page 2)

PNI Sensor Corporation Doc #1020129 revE
SENtral M&M Technical Datasheet Page 1
Table of Contents
1 PRODUCT OVERVIEW ............................................................................................... 3
1.1 SENTRAL FEATURES AND BENEFITS ........................................................ 3
1.2 SENTRAL M&M SYSTEM OVERVIEW .......................................................... 4
2 SENTRAL SPECIFICATIONS ..................................................................................... 6
2.1 PERFORMANCE CHARACTERISTICS ......................................................... 6
2.2 ELECTRICAL CHARACTERISTICS ............................................................... 6
3 INTERFACE ................................................................................................................. 8
3.1 I
2
C TIMING ...................................................................................................... 9
3.2 I
2
C HOST INTERFACE (HOST BUS) ........................................................... 10
3.2.1 I
2
C Transfer formats ......................................................................... 11
3.3 I
2
C SENSOR INTERFACE (SENSOR BUS) ................................................. 12
3.4 HOST INTERRUPT/GPIO LINES ................................................................. 12
4 OPERATION .............................................................................................................. 13
4.1 POWER-UP ................................................................................................... 14
4.2 INITIAL REGISTER SET-UP ......................................................................... 14
4.3 RUNNING IN NORMAL OPERATION .......................................................... 16
4.3.1 Error .................................................................................................. 18
4.3.2 Read Results .................................................................................... 18
4.4 STANDBY STATE ......................................................................................... 19
4.5 PASS-THROUGH STATE ............................................................................. 20
4.6 TROUBLESHOOTING .................................................................................. 22
4.6.1 Hardware-Related Error Conditions ................................................. 22
4.6.2 Software-Related Error Conditions ................................................... 23
5 PACKAGE INFORMATION ....................................................................................... 25
6 ASSEMBLY GUIDELINES ......................................................................................... 27
APPENDIX I – CONVERTING QUATERNIONS .................................................................... 29
APPENDIX II – PARAMETER TRANSFER ............................................................................ 31
APPENDIX III – MEASURING CURRENT CONSUMPTION ................................................. 37