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Bliny project in nrf6310

Hi, In the step 3 of the "nRF51822_Development_Kit_User_Guide_v1.4" (page 11) :

  1. Select nRF51822 from the Select Target list and click Build or press F7 to compile the Blinky project.

I see various targets to select:

 nrf51822_xxaa (256k)
 nrf51822_xxab (128k)
 nrf51822_xxaa_s110 (256k) 
 nrf51822_xxab_s110 (128k)
 nrf51822_xxaa_s120 (256k)
 nrf51822_xxab_s120 (128k)

What should be the better ? Thanks

Parents
  • Philip is right. There are two different chip versions, one with 256k flash (xxaa) and one with 128k (xxab). The chip version is written on the chip. The other options with s110 and s120 are when you use one of the the softdevices, for the application memory addresses to be set correctly.

    The blinky project does not use a SoftDevice, and if you are using the dev kit you have the qfaa chip. Hence, nrf51822_xxaa (256k) is the correct one.

Reply
  • Philip is right. There are two different chip versions, one with 256k flash (xxaa) and one with 128k (xxab). The chip version is written on the chip. The other options with s110 and s120 are when you use one of the the softdevices, for the application memory addresses to be set correctly.

    The blinky project does not use a SoftDevice, and if you are using the dev kit you have the qfaa chip. Hence, nrf51822_xxaa (256k) is the correct one.

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