TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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7.3.4.4 Register 21 – SD_CH0_STEPCOUNT
Bit
Description
ECAT
PDI
Range [Unit]
31:0
Step counter for SD_CH0.
Counting up/down depending on step direc-
tion.
r/-
r/-
−231. . . +(231) − 1
Table 146: MFC IO Register 21 – SD_CH0_STEPCOUNT
7.3.4.5 Register 22 – SD_CH1_STEPCOUNT
Bit
Description
ECAT
PDI
Range [Unit]
31:0
Step counter for SD_CH1.
Counting up/down depending on step direc-
tion.
r/-
r/-
−231. . . +(231) − 1
Table 147: MFC IO Register 22 – SD_CH1_STEPCOUNT
7.3.4.6 Register 23 – SD_CH2_STEPCOUNT
Bit
Description
ECAT
PDI
Range [Unit]
31:0
Step counter for SD_CH2.
Counting up/down depending on step direc-
tion.
r/-
r/-
−231. . . +(231) − 1
Table 148: MFC IO Register 23 – SD_CH2_STEPCOUNT
7.3.4.7 Register 24 – SD_CH0_STEPTARGET
Bit
Description
ECAT
PDI
Range [Unit]
31:0
Steps pulses (= distance) to be made for -/w
SD_CH0.
Can be overwritten at any time.
-/w
0. . . +(232) − 1
When zero, no more step pulses are generated
at output S0 or S0n,
Reading the register returns the remaining
number of step pulses to be generated.
Table 149: MFC IO Register 24 – SD_CH0_STEPTARGET
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