TMC4330A Datasheet | Document Revision 1.01 • 2017-JAN-12
58/166
Use of TARGET_REACHED Output
Per default, TARGET_REACHED pin forwards the TARGET_REACHED_Flag that signifies
XACTUAL = XTARGET. The pin can also be used to forward three other flags:
VELOCITY_REACHED_Flag, ENC_FAIL_Flag, POS_COMP_REACHED_Flag.
NOTE:
Only one option can be selected.
The TARGET_REACHED output pin configuration switch is available at
REFERENCE_CONF register 0x01.
Four Options for
TARGET_REACHED
The available optons are as follows:
TARGET_REACHED Output Pin Configuration
If pos_comp_output…
Then TARGET_REACHED forwards…
b’00
b’01
b’10
b’11
TARGET_REACHED_Flag
VELOCITY_REACHED_Flag
ENC_FAIL_Flag
POS_COMP_REACHED_Flag
Table 26: TARGET_REACHED Output Pin Configuration
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