What happened to A1, B1, A2 , B2 , A7 , B7 etc

General
1

Hey Folks,

Sorry if this is a stupid noob question. I was just looking (with a magnifying glass) at the silk screen printed on the Br v2 wide board. I noticed that each bank starts at number 3 and misses out 7 and 8 (possibly others).

I can see that this is intentional, because when I was snooping around in the git hub I found the code in CuV2Pin.kt which does not translate these labels.

Just wondered if there was a reason for them not being used ?

Cheers

Geth

2

The names reflect the exact pin number of the pin. The skips that you are seeing are the (many) ground pins which are interleaved among the signal pins on the connector. Those ground pins are there for signal integrity. They provide good current return paths, and also reduce crosstalk.

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