STMicroelectronics FlexSPIN: SPI configurable stepper and DC multi motor driver evaluation board EVAL6460 EVAL6460 Data Sheet

Product codes
EVAL6460
Page of 139
L6460 
Power bridges
Doc ID 17713 Rev 1
57/139
   
   
   
         
         
In 
 is reported a block diagram representing the possible PWM choices for each 
L6460 half bridges. The figure is related only to bridges 1 and 2, but it could be assumed to 
be valid also for bridges 3 and 4, with few differences due to different possible configurations 
of these last drivers.
Table 14.
PWM selection truth table for bridge 1 or 2
MtrXSelPWMSideY [1] MtrXSelPWMSideY [0]
Selected PWM
(1)
1.
In this table X stands for 1 or 2, Y stands for A or B.
0
0
MotorXPWM (Configurable by means of MtrXCfg 
register).
0
1
AuxXPWM (Configurable by means of 
AuxPwmXCtrl register).
1
0
ExtPWM1 (from GPIO 9 input)
1
1
ExtPWM2 (from GPIO 10 input)
Table 15.
PWM selection truth table for bridge 3 or 4
MtrXSelPWMSideY [1] MtrXSelPWMSideY [0]
Selected PWM
(1)
1.
In this table X stands for 3 or 4, Y stands for A or B.
0
0
MotorXPWM (Configurable by means of 
MtrXCfg register).
0
1
AuxXPWM (Configurable by means of 
AuxPwmXCtrl register).
1
0
ExtPWM3 (from GPIO 2 input)
1
1
ExtPWM4 (from GPIO 11 input)