PNI SENtral - Manual (Page 3)

PNI Sensor Corporation Doc #1018049 R03
SENtral Technical Data Sheet Page 2
List of Figures
Figure 1-1: SENtral Block Diagram .......................................................................................... 4
Figure 3-1: SENtral System Reference Schematic .................................................................. 8
Figure 4-1: I 2 C Timing Diagram .............................................................................................. 12
Figure 4-2: I
2
C Slave Write Example ...................................................................................... 14
Figure 4-3: I
2
C Slave Read Example, with Repeated START................................................ 14
Figure 4-4: I
2
C Slave Write Register Address Only ................................................................ 14
Figure 4-5: I
2
C Slave read register from current address ....................................................... 14
Figure 5-1: SENtral Initialization Sequence ............................................................................ 16
Figure 5-2: SENtral Operational States .................................................................................. 17
Figure 5-3: SENtral Normal Operation Flow ........................................................................... 22
Figure 6-1: SENtral Configuration Tool .................................................................................. 30
Figure 7-1: Mechanical Drawing ............................................................................................. 34
Figure 7-2: Tape Dimensions ................................................................................................. 35
Figure 8-1: Typical Solder Mask and Land Pad Parameters ................................................. 37
Figure 8-2: Typical Solder Reflow Profile ............................................................................... 38
Figure A3-1: Parameter Load Process ................................................................................... 44
Figure A3-2: Parameter Retrieve Process ............................................................................. 45
List of Tables
Table 2-1: Performance Characteristics ................................................................................... 6
Table 2-2: Absolute Maximum Ratings .................................................................................... 6
Table 2-3: Operating Conditions............................................................................................... 7
Table 3-1: SENtral Pin Assignments ........................................................................................ 9
Table 3-2: Recommended Power Line Distance from Magnetometer ................................... 11
Table 4-1: I
2
C Timing Parameters .......................................................................................... 13
Table 4-2: I
2
C Pull-Up Resistance Table ................................................................................ 15
Table 5-1: Configuration File Upload from EEPROM Registers ............................................ 18
Table 5-2: Configuration File Host Upload Registers ............................................................. 19
Table 5-3: Sample Host Upload Data Order .......................................................................... 20
Table 5-4: Registers for Initial Set-Up .................................................................................... 20
Table 5-5: Normal Operation Registers .................................................................................. 23
Table 5-6: Results Registers .................................................................................................. 24
Table 5-7: Standby Registers ................................................................................................. 25
Table 5-8: Pass-Through Registers........................................................................................ 26
Table 5-9: Hardware-Related Error Indications ...................................................................... 27
Table 5-10: Software-Related Error Indications ..................................................................... 27
Table 5-11: SensorStatus Register Values ............................................................................ 28
Table 5-12: ErrorRegister Values ........................................................................................... 28
Table 5-13: RAMVersion Register Values .............................................................................. 29
Table 8-1: Typical Solder Processing Parameters ................................................................. 38
Table A1-1: Configuration File Image Format ........................................................................ 39
Table A1-2: Configuration File Data Structure ....................................................................... 40
Table A3-1: Registers Used for Parameter Transfer .............................................................. 43
Table A3-2: Parameter Numbers............................................................................................ 46
Table A3-3: DriverID & AlgorithmID Definition ....................................................................... 48