PNI SENtral - Manual (Page 2)

PNI Sensor Corporation Doc #1018049 R03
SENtral Technical Data Sheet Page 1
Table of Contents
1 PRODUCT OVERVIEW ............................................................................................... 3
1.1 SENTRAL FEATURES AND BENEFITS ........................................................ 3
1.2 SENTRAL FUNCTIONAL DESCRIPTION ...................................................... 4
2 SENTRAL SPECIFICATIONS ..................................................................................... 6
2.1 PERFORMANCE CHARACTERISTICS ......................................................... 6
2.2 ELECTRICAL CHARACTERISTICS ............................................................... 6
3 LAYOUT ....................................................................................................................... 8
3.1 SYSTEM LAYOUT .......................................................................................... 8
3.2 PIN ASSIGNMENTS ....................................................................................... 9
3.3 SENSOR LAYOUT ........................................................................................ 10
3.4 DEDICATED EEPROM (OPTIONAL) ........................................................... 11
4 I
2
C INTERFACE ......................................................................................................... 12
4.1 I
2
C TIMING .................................................................................................... 12
4.2 I
2
C HOST INTERFACE (HOST BUS) ........................................................... 13
4.2.1 I
2
C Slave Transfer formats ............................................................... 14
4.3 I
2
C SENSOR INTERFACE (SENSOR BUS) ................................................. 15
4.4 I
2
C PULL-UP RESISTANCE ......................................................................... 15
5 OPERATION .............................................................................................................. 16
5.1 POWER-UP AND CONFIGURATION FILE UPLOAD .................................. 17
5.1.1 Configuration File Upload from EEPROM ........................................ 17
5.1.2 Configuration File Upload from Host ................................................ 19
5.2 INITIAL REGISTER SET-UP ......................................................................... 20
5.3 RUNNING IN NORMAL OPERATION .......................................................... 22
5.3.1 Error .................................................................................................. 23
5.3.2 CPUReset ......................................................................................... 24
5.3.3 Read Results .................................................................................... 24
5.4 STANDBY STATE ......................................................................................... 25
5.5 PASS-THROUGH STATE ............................................................................. 25
5.6 TROUBLESHOOTING .................................................................................. 27
5.6.1 Hardware-Related Error Conditions ................................................. 27
5.6.2 Software-Related Error Conditions ................................................... 27
6 SENTRAL CONFIGURATION TOOL ........................................................................ 30
6.1 CONFIGURATION TOOL GENERAL SETTINGS ........................................ 31
6.1.1 SDK Revision ................................................................................... 31
6.1.2 Host Interrupt Pin .............................................................................. 31
6.1.3 EEPROM Max. Upload Speed ......................................................... 31
6.2 CONFIGURATION TOOL SENSOR CONFIGURATION .............................. 31
6.2.1 Sensor .............................................................................................. 31
6.2.2 Interrupt Pin ...................................................................................... 31
6.2.3 Slave Address .................................................................................. 31
6.2.4 Orientation Matrix ............................................................................. 32
6.2.5 Cal Offsets ........................................................................................ 33
7 PACKAGE INFORMATION ....................................................................................... 34
8 ASSEMBLY GUIDELINES ......................................................................................... 36
APPENDIX I – CONFIGURATION FILE IMAGE FORMAT.................................................... 39
APPENDIX II – CONVERTING QUATERNIONS ................................................................... 41
APPENDIX III – PARAMETER TRANSFER ........................................................................... 43
APPENDIX IV – SAMPLE SCHEMATIC SET ........................................................................ 49