Jumper
Description
Default
JP7
Device pin 68 function configuration:
•
1-2 PM[14]
•
2-3 ESR0
2-3
(Connect pin 68 to ESR0)
JP2
Device pin 1 function configuration:
•
1-2 PD[14]
•
2-3 VDD_LV
2-3
(Connect pin 1 to VDD_LV)
J27
Device pin 86 function configuration:
•
1-2 PH[4]
•
2-3 BCTRL
2-3
(Connect pin 86 to BCTRL)
JP5
Device pin 26 function configuration:
•
1-2 PI[6]
•
2-3 VDD_LV
2-3
(Connect pin 26 to VDD_LV)
The jumpers are default closed for STMicroelectronics microcontroller:
•
SPC58xCxxE3
3.3
Port configuration
The following jumpers need to configure the ports:
Table 5.
Port related jumpers
Jumper
Description
Default
J15
TESTMODE settings
Close
3.4
System clock configuration
The mini module supports the usage of crystal clock sources as well as external clock source:
Table 6.
Main clock related jumpers
Jumper
Description
Default
J17
40 MHz crystal clock source Enable for pin EXTAL
1-2 (XT1 pin2)
J19
40 MHz crystal clock source Enable for pin XTAL
1-2 (XT1 pin1)
J20
Enable 8 MHz oscillator power supply
Open
J22
External clock source from 8 MHz oscillator or SMA connector
1-2 (8 MHz oscillator )
UM2661
Port configuration
UM2661
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Rev 1
page 10/23
