Programming manual
powerSTEP01
OSCOUT
Table 40. Oscillator management (continued)
EXT_CLK
OSC_SEL[2..0]
Clock source
OSCIN
External crystal or resonator:
24 MHz
Crystal/resonator
driving
Crystal/resonator
driving
0
1
1
1
1
0
1
External crystal or resonator:
32 MHz
Crystal/resonator
driving
Crystal/resonator
driving
0
1
Ext clock source: 8 MHz
(crystal/resonator driver
disabled)
Supplies inverted
OSCIN signal
1
1
1
1
0
0
1
1
0
1
0
1
Clock source
Clock source
Clock source
Clock source
External clock source: 16
MHz (crystal/resonator driver
disabled)
Supplies inverted
OSCIN signal
1
1
1
External clock source: 24
MHz (crystal/resonator driver
disabled)
Supplies inverted
OSCIN signal
External clock source: 32
MHz (crystal/resonator driver
disabled)
Supplies inverted
OSCIN signal
The SW_MODE bit sets the external switch to act as HardStop interrupt or not:
Table 41. External switch hard stop interrupt mode
SW_MODE
Switch mode
0
1
HardStop interrupt
User disposal
The OC_SD bit sets if an overcurrent event causes or not the bridges to turn off; the OCD
flag in status register is forced low anyway:
Table 42. Overcurrent event
OC_SD
Overcurrent event
1
0
Bridges shut down
Bridges do not shut down
The VCCVAL bit set the internal VCC regulator output voltage:
Table 43. Programmable VCC voltage regulator output
VCCVAL
VCC voltage
0
1
7.5 V
15 V
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