nRF51422 v2 part number

RE: nRF51422 v2 part number

Paul — Fri, 05 Dec 2014 21:25:51 GMT

Yes, get the V2. Really it is totally different than the first revision. There must be a reason Nordic didn't change it to another part number. Anyway, stay with V2. V1 has some bugs in the softdevice especially in the SVC management, which caused problem working with RTOS

RE: nRF51422 v2 part number

Mark Rages — Fri, 05 Dec 2014 19:54:19 GMT

So specifying " nRF51422-QFAA-x-V2" should get compatible parts for me. Are there any plans to add the "-V2" suffix to the ordering information section of the product spec?

RE: nRF51422 v2 part number

Marc Nicholas — Fri, 05 Dec 2014 12:34:31 GMT

Mark,

Your supplier (even Digikey) can generally tell you what build/date codes are on the parts that you'll actually be getting. And both the build and date code are laser etched onto the package.

RE: nRF51422 v2 part number

Stefan Birnir Sverrisson — Wed, 03 Dec 2014 14:04:24 GMT

I think Digikey included the V2 markings in order to seperate the nRF51422 second revision chips from the nRF51422 first revision. The first nRF51422 had preprogrammed ANT softdevice, while the second revision can be flashed with any Nordic softdevice, ANT, ANT+BLE, or BLE, more info on this thread.

I think nRF51422 V3 (third revision) is only available as engineering release at the moment, it resides on the new nRF51 DK, but I assume it will be available in tray as the production version is released.

Update 4.12.2014 Hopefully you are able to identify and select the correct hardware by looking at the nRF51422 PS v2.0 and this thread. nRF51422 PS v3.1 "Ordering information" chapter contains a little more information than PS v2.0

Update 5.12.2014 If you order your nRF51422 chips with order code nRF51422-QFAA-R-V2 then you will get chips with build code Ex0 (<'H'><'P'><'F'>) where x is 0..9, see table nWP-22 table 1. You will not get build code DAA (<'H'><'P'><'F'>) as the <'P'> is a letter and stands for engineering version and is only made for sample chips and early version development kit/evaluation kits. When you order the chips in tray you will always receive the production version which has a number for <'P'>, e.g. build code E00.

So choosing the right build code with the hardware revision suffix (e.g. "V2"), should give you a definite nRF51 product with a definite build code.

RE: nRF51422 v2 part number

Clem Taylor — Wed, 03 Dec 2014 03:38:07 GMT

Mark, if you are just starting out with a new project, go with the new rev 3 silicon, even better go with the QFAC (256K flash, 32K sram) parts. The extra SRAM makes life so much easier and you get a few bug fixes/enhancements for free.

RE: nRF51422 v2 part number

Matt — Wed, 03 Dec 2014 02:50:52 GMT

V2 support ANT/BLE SoftDevice. Before version only support ANT SoftDevice.