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Figure 13: JLINK USB, FTDI USB, and ATMEL SUPPLY switch
Note:
We recommend that you use SWD (two-wire interface) to handle future Pinnacle
™ 100 modem firmware upgrades.
You MUST wire out the SWD (two-wire interface) on your host design (Four lines required: SWDIO [1.8V Logic],
SWDCLK [1.8V Logic], GND, and VIN (2.2-5.5)].
M2.60 (P1.00) can be used as SWO (Serial Wire Output) and is not necessary for programming Pinnacle
™ 100 over the SWD
interface.
M2.73, nReset_BLE, is not necessary for programming Pinnacle
™ 100 over the SWD interface.
The NRF has a direct USB connection, J10 (NRF USB). The HL7800 also has a direct USB connection, J7 (HL7800 USB).
Figure 14, shows both USB connectors and J10 must be connected when using J7, to provide 5V to the modem pin M2.9.
Figure 14: NRF and HL7800 USB
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