User Manual

Advanc
e
Information

2015 Microchip Technology Inc.
page
8
BM78SPPS5MC2 , RN4678
26 24 P3_3 DIO Configurable Control or Indication pin
(when configured as input: internal pull-up)
27 25 P3_4 DIO Configurable Control or Indication pin
(when configured as input: internal pull-up)
28 26 P3_6 DIO (Do Not Connect)
29 27 P3_7 DIO Configurable Control or Indication pin
(when configured as input: internal pull-up)
30 28 LED1 DO Status LED
31
29
GND
Power
Ground reference
--
30
BT_RF
AIO
External antenna
connection (50 ohm)
32 -- GND Power Ground reference
33
--
GND
Power
Ground reference
Note 1: Pin type abbreviation: A = Analog, D = Digital, I = Input, O = Output.
UI setting: