UM-B-041
SmartBond Production Line Tool
User Manual
Revision 4.8
02-Nov-2022
CFR0012
23 of 170
© 2022 Renesas Electronics
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Figure 14: Location of J47 Jumper
5.8.3
J37 - GU Programming
Jumper J37 connects the Chip Select of the GU SPI Flash to a logic high level. This causes the GU
not to boot from the already programmed SPI Flash, allowing the GU to load different code into its
System-RAM via the JTAG connector or via UART.
shows the circuit schematic and
shows the location of jumper J37 on the PLT PCB.
Figure 15: J37 - GU Programming Jumper Schematics
Figure 16: Location of J37 Jumper