System Clock Configuration; Table 3. System Clock Related Jumpers - STMicroelectronics SPC570SADPT100S User Manual

5.3

System clock configuration

The mini module supports the usage of crystal clock sources as well as external clock source:
Jumper
EXTAL connectionconfiguration:
J13 •
•
XTAL connectionconfiguration:
J15 •
•
8 MHz oscillator enable jumper:
J17 •
•
External clock source jumper selector:
J19 •
•
UM2868 - Rev 1
Table 3.
Description
1-2: EXTAL connected to 40 MHz cristal clock source
2-3: EXTAL connected to EXTAL EVB clock source
1-2: XTAL connected to 40 MHz cristal clock source
2-3: XTAL connected to XTAL EVB clock source
Open: 8 MHz oscillator not enabled
Closed: 8 MHz oscillator enabled
1-2: from 8 MHz oscillator
2-3: from SMA connector
System clock related jumpers
Default
1-2 (XT1
pin2)
1-2 (XT1
pin1)
Open
1-2
UM2868
System clock configuration
Position
Figure 10. Overview of
SPC570SADPT100S mini module - top
B2
Figure 10. Overview of
SPC570SADPT100S mini module - top
B2
Figure 10. Overview of
SPC570SADPT100S mini module - top
C1
Figure 10. Overview of
SPC570SADPT100S mini module - top
B2
–
–
–
–
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