L6470HTR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6470HTR' PDF : 73 Pages View PDF
L6470
Programming manual
The synchronization signal is obtained starting from electrical position information (EL_POS
register) according to Table 20:
Table 20. SYNC signal source
SYNC_SEL[2 .… 0]
Source
0
0
0
EL_POS[7]
0
0
1
EL_POS[6]
0
1
0
EL_POS[5]
0
1
1
EL_POS[4]
1
0
0
EL_POS[3]
1
0
1
EL_POS[2]
1
1
0
EL_POS[1]
1
1
1
EL_POS[0]
9.1.20
ALARM_EN
The ALARM_EN register allows the selection of 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
Alarm condition
0 (LSB)
1
2
3
Overcurrent
Thermal shutdown
Thermal warning
Undervoltage
4
5
6
7 (MSB)
Stall detection (Bridge A)
Stall detection (Bridge B)
Switch turn-on event
Wrong or non-performable command
9.1.21
CONFIG
The CONFIG register has the following structure:
Bit 15
Bit 7
OC_SD
Table 22. CONFIG register
Bit 14
Bit 13
Bit 12
Bit 11 Bit 10 Bit 9
Bit 8
F_PWM_INT
F_PWM_DEC
POW_SR
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESERVED EN_VSCOMP SW_MODE EXT_CLK
OSC_SEL
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