L6474 Datasheet, PDF (39/51 Pages) STMicroelectronics – easySPIN – fully integrated microstepping motor driver

L6474
Programming manual
9.1.11
ALARM_EN
The ALARM_EN register allows to select which alarm signals are used to generate the
FLAG output. If the respective bit of the ALARM_EN register is set high, the alarm condition
forces the FLAG pin output down.
Table 21. ALARM_EN register
ALARM_EN bit
0 (LSB)
1
2
3
4
5
6
7 (MSB)
Alarm condition
Overcurrent
Thermal shutdown
Thermal warning
Undervoltage
RESERVED
RESERVED
Switch turn-on event
Wrong or not performable command
9.1.12
CONFIG
The CONFIG register has the following structure:
Table 22. CONFIG register
Bit 15
Bit 14
Bit 13
0
Bit 7
Bit 6
Bit 5
OC_SD RESERVED EN_TQREG
Bit 12
TOFF
Bit 4
0
Bit 11
Bit 3
EXT_CLK
Bit 10 Bit 9 Bit 8
POW_SR
Bit 2
Bit 1 Bit 0
OSC_SEL
Doc ID 022529 Rev 2
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