Programming manual
powerSTEP01
11.1.21 OCD_TH
The OCD_TH register contains the overcurrent threshold value (Section 7.9 for details). The
available range is from 31.25 mV to 1 V, steps of 31.25 mV, as shown in Table 24.
Table 24. Overcurrent detection threshold
OCD_TH [4..0]
Overcurrent detection threshold
0
0
0
0
0
0
0
1
31.25 mV
62.5 mV
…
0
…
1
0
…
1
…
1
…
1
…
0
968.75 mV
1 V
1
1
1
1
1
11.1.22 STALL_TH
This register is specific for voltage mode driving (see Section 8).
The STALL_TH register contains the stall detection threshold value. The available range is
from 31.25 mV to 1 V with a resolution of 31.25 mV.
Table 25. Stall detection threshold
STALL_th [4..0]
Stall detection threshold
0
0
0
0
0
0
0
0
0
1
31.25 mV
62.5 mV
…
…
1
…
1
…
1
…
1
…
0
968.75 mV
1 V
1
1
1
1
1
11.1.23 STEP_MODE
The STEP_MODE register has the following structure:
Table 26. STEP_MODE register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SYNC_EN
SYNC_SEL
CM_VM
STEP_SEL
The CM_VM bit sets the current control method between voltage and current mode:
Table 27. Control mode selection
CM_VM
Control mode
0
1
Voltage
Current
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