L6472PDTR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
L6472PDTR
STMicroelectronics
'L6472PDTR' PDF : 69 Pages View PDF
Programming manual
L6472
The OSC_SEL and EXT_CLK bits set the system clock source:
Table 25. Oscillator management
EXT_CLK OSC_SEL[2 … 0]
Clock source
OSCIN
0
0 00
0
0 01
Internal oscillator: 16 MHz
0
0 10
0
0 11
1
0 0 0 Internal oscillator: 16 MHz
Unused
Unused
1
0 0 1 Internal oscillator: 16 MHz
Unused
1
01
0
Unused
1
01
1
Unused
0
1
0
0
External crystal or resonator:
8 MHz
Crystal/resonator
driving
0
1
0
1
External crystal or resonator:
16 MHz
Crystal/resonator
driving
0
1
1
0
External crystal or resonator:
24 MHz
Crystal/resonator
driving
0
1
1
1
External crystal or resonator:
32 MHz
Crystal/resonator
driving
Ext clock source: 8 MHz
1
1 00
(Crystal/resonator driver
disabled)
Clock source
Ext clock source: 16 MHz
1
1 01
(Crystal/resonator driver
disabled)
Ext clock source: 24 MHz
1
1 10
(Crystal/resonator driver
disabled)
Ext clock source: 32 MHz
1
1 11
(Crystal/resonator driver
disabled)
Clock source
Clock source
Clock source
OSCOUT
Unused
Supplies a 2-MHz clock
Supplies a 4-MHz clock
Supplies an 8-MHz clock
Supplies a 16-MHz clock
Crystal/resonator driving
Crystal/resonator driving
Crystal/resonator driving
Crystal/resonator driving
Supplies inverted OSCIN
signal
Supplies inverted OSCIN
signal
Supplies inverted OSCIN
signal
Supplies inverted OSCIN
signal
The SW_MODE bit sets the external switch to act as HardStop interrupt or not:
Table 26. External switch hard stop interrupt mode
SW_MODE
Switch mode
0
HardStop interrupt
1
User disposal
The OC_SD bit sets if an overcurrent event causes or not the bridges to turn off; the OCD
flag in the STATUS register is forced low anyway:
50/70
DocID022729 Rev 5
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