
                    TABLE 1.  OUTPUT COMMUTATION SEQUENCE FOR THREE PHASE OPERATION
                                                                            LS7560
        SENSOR ELECTRICAL                                 
        SEPARATION                                                                               TOP            BOTTOM
            60°              120°                                                                       DRIVERS   DRIVERS
 S1,S2,S3     S1,S2,S3           F/R      EN      BRK        OCS           O1,O2,O3   O4,O5,O6      FAULT
0  0  0
1  0  0
1  1  0
1  1  1
0  1  1
0  0  1
0  1  0
1  0  1
0  0  0
1  0  0
1  1  0
1  1  1
0  1  1
0  0  1
0  1  0
1  0  1
X  X  X
X  X  X
X  X  X
0  0  1
1  0  1
1  0  0
1  1  0
0  1  0
0  1  1
0  0  0
1  1  1
0  0  1
1  0  1
1  0  0
1  1  0
0  1  0
0  1  1
0  0  0
1  1  1
X  X  X
X  X  X
X  X  X
1
1
1
1
1
1
X
X
0
0
0
0
0
0
X
X
X
X
X
1
1
1
1
1
1
X
X
1
1
1
1
1
1
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
X
X
0
0
0
0
0
0
X
X
X
1
X
0  1  1
1  1  0
1  1  0
1  0  1
1  0  1
0  1  1
1  1  1
1  1  1
1  0  1
1  0  1
0  1  1
0  1  1
1  1  0
1  1  0
1  1  1
1  1  1
1  1  1
1  1  1
1  1  1
0  1  0
0  1  0
1  0  0
1  0  0
0  0  1
0  0  1
0  0  0
0  0  0
1  0  0
0  0  1
0  0  1
0  1  0
0  1  0
1  0  0
0  0  0
0  0  0
1  1  1
0  0  0
0  0  0
1
1
1
1
1
1
0
0
1
1
1
1
1
1
0
0
1
0
0
NOTE 1
:  This Table assumes the TOP DRIVER POLARITY SELECT (Pin 20) = Logic 0. For Pin 20 = Logic 1, 
                    invert the polarity of the top drivers.
  NOTE 2
:  For the LS7561, the OVERCURRENT SENSE = Logic 1 only forces the bottom drivers to a  Logic 0. 
                    It has no effect on the top driver outputs which are determined by the other inputs as shown in the table.
EN
 = ENABLE
BRK
 = BRAKE
OCS
 = OVER
            CURRENT
            SENSE
                  TABLE 2.  OUTPUT COMMUTATION SEQUENCE FOR FOUR PHASE OPERATION
                                                                          LS7560
         SENSOR ELECTRICAL                                 
          SEPARATION = 90°                                                                     TOP               BOTTOM
                                                                                                                DRIVERS      DRIVERS           
S1         S2,S3      F/R          EN              BRK             OCS         O1,O3           O4,O6      FAULT
0
1
1
0
0
1
1
0
X
X
X
0  
0
1
1
0
0
1
1
X
X
X
1
1
1
1
0
0
0
0
X
X
X
1
1
1
1
1
1
1
1
X
X
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
X
1
X
1    0
0    1
0    0
0    0
0    0
0    0
1    0
0    1
0    0
0    0
0    0
0    0
0    0
1    0
0    1
1    0
0    1
0    0
0    0
1    1
0    0
0    0
1
1
1
1
1
1
1
1
1
0
0
NOTE 1
:  SEQUENCE Input (Pin 1) set at a Logic 1.
NOTE 2
:  This Table assumes theTOP DRIVER POLARITY SELECT (Pin 20) = Logic 1.  For Pin 20 = Logic 0, invert the
                polarity of the top drivers.
NOTE 3
:  For the LS7561, the OVERCURRENT SENSE = Logic 1 only forces the bottom drivers to a Logic 0. It has no
                            effect on the Top Driver Outputs which are determined by the other inputs as shown on the table.
EN
 = ENABLE
BRK
 = BRAKE
OCS
 = OVER
            CURRENT
            SENSE
7560-102597-8