Thank you--that makes perfect sense. Also, since I posted the question, I found the mention of B6/B7 (in the [!] of the pinout diagram); maybe it's mentioned somewhere else, too, but that's the only place I found it.
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Thank you--that makes perfect sense. Also, since I posted the question, I found the mention of B6/B7 (in the [!] of the pinout diagram); maybe it's mentioned somewhere else, too, but that's the only place I found it.