Datasheet

TMC4361A Datasheet | Document Revision 1.22 • 2017-JAN-12
188/230
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Read entire documentation; especially the “Supplemental Directives” on page 224.
 MAIN MANUAL 
Current Scale Values Register SCALE_VALUES 0x06
SCALE_VALUES 0x06 (Default: 0xFFFFFFFF)
R/W
Bit
Val
Scaling Value
Name
Remarks
RW
7:0
U
BOOST_SCALE_VAL
Open-loop boost scaling value.
CL_IMIN
Closed-loop minimum scaling value.
15:8
U
DRV1_SCALE_VAL
Open-loop first drive scaling value.
CL_IMAX
Closed-loop maximum scaling value.
23:16
U
DRV2_SCALE_VAL
Open-loop second drive scaling value.
CL_START_UP
| ENC_POS_DEV | value at which closed-loop scaling
increases the current scaling value above CL_IMIN .
31:24
U
HOLD_SCALE_VAL
Open-loop standby scaling value.
CL_START_DOWN
| ENC_POS_DEV | value at which closed-loop scaling
decreases the current scaling value below CL_IMAX .
i Recommended: Set to 0 to automatically assign
to CL_BETA .
Table 71: Current Scale Values (0x06)
NOTE:
 BOOST_SCALE_VAL, DRV1/DRV2_SCALE_VAL, HOLD_SCALE_VAL, CL_IMIN,
CL_IMAX.
 Real scaling value = (x+1) / 32 if spi_output_format = b’1011 or b’1100.
 = (x+1) / 256 any other spi_output_format setting.