TMC5161 DATASHEET (Rev. 1.01 / 2018-NOV-20)
94
the end of the reset condition cannot be determined by monitoring DIAG0 in this configuration,
because event_pos_reached flag also becomes active upon reset and thus the pin stays actively low
after the reset condition. In order to safely determine a reset condition, monitor the reset flag by SPI
or read out any register to confirm that the chip is powered up.
Power-on reset
diag0_pushpull
PMD
DIAG0
Toggle upon each step
event_pos_reached
event_stop_r
diag0_step
event_stop_sg
event_stop_l
deviation_warn
Interrupt-signal
N_event
PDD=100k pulldown
PMD=50k to VCC/2
diag1_pushpull
PDD
Direction
DIAG1
diag1_dir
Position compare
XACTUAL = X_COMPARE
Figure 16.2 DIAG outputs with SD_MODE=0
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