STMicroelectronics Fully integrated stepper motor driver mounting the L6472 in a high power PowerSO package EVAL6472PD EVAL6472PD Data Sheet
Product codes
EVAL6472PD
DocID022729 Rev 3
63/70
L6472
Programming manual
70
9.2.19 HardHiZ
The HardHiZ command immediately disables the power bridges (high-impedance state) and
raises the HiZ flag.
raises the HiZ flag.
When the motor is stopped, a HardHiZ command forces the bridges to enter high-
impedance state.
impedance state.
This command can be given anytime and is immediately executed.
This command keeps the BUSY flag low until the motor is stopped.
9.2.20 GetStatus
The GetStatus command returns the STATUS register value.
The GetStatus command resets the STATUS register warning flags. The command forces
the system to exit from any error state. The GetStatus command does NOT reset the HiZ
flag.
the system to exit from any error state. The GetStatus command does NOT reset the HiZ
flag.
Table 52. HardHiZ command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
0 1 0 1 0 0 0
From
host
Table 53. GetStatus command structure
Bit
7 Bit
6 Bit
5 Bit
4 Bit 3
Bit 2
Bit 1
Bit 0
1 1 0 1 0 0 0 0 From
host
STATUS MSByte
To host
STATUS LSByte
To host