Pni SENtral Manual do Utilizador descarregar pdf (Página 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

C Timing Diagram .............................................................................................. 12

Figure 4-2: I

C Slave Write Example ...................................................................................... 14

Figure 4-3: I

C Slave Read Example, with Repeated START................................................ 14

Figure 4-4: I

C Slave Write Register Address Only ................................................................ 14

Figure 4-5: I

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

C Timing Parameters .......................................................................................... 13

Table 4-2: I

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

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