powerSTEP01
Programming manual
Time
Table 21. Minimum off-time (continued)
TOFF MIN [6..0]
1
1
1
1
1
1
1
1
1
1
1
1
0
1
63.5 μs
64 μs
Any attempt to write to the register when the motor is running causes the command to be
ignored and NOTPERF_CMD to rise (see Section 11.1.28).
11.1.20 ADC_OUT
The ADC_OUT register contains the result of the analog to digital conversion of the ADCIN
pin voltage.
Any attempt to write to the register causes the command to be ignored and the CMD_ER-
ROR to rise.
Table 22. ADC_OUT value and motor supply voltage compensation feature
Compensation
VS
VADCIN/ VREG
ADC_OUT [4..0]
coefficient
Greater than VS,nom + 50%
VS,nom + 50%
> 24/32
24/32
1
1
1
1
X
0
X
0
X
0
0.65625
0.65625
VS,nom
16/32
1
0
0
0
0
1
VS,nom – 50%
8/32
0
0
1
0
0
0
0
1.968875
1.968875
Lesser than VS,nom – 50%
< 8/32
X
X
X
Table 23. ADC_OUT value and torque regulation feature
VADCIN/ VREG
ADC_OUT [4..0]
Reference voltage
0
0
0
0
0
0
0
0
0
0
1
31.25 mV
62.5 mV
1/32
30/32
31/32
1
1
1
1
1
1
1
1
0
1
968.8 mV
1000 mV
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STMICROELECTRONICS [ ST ]
