Data Sheet

SPBTLE-RF
Rev 0.1 P a g e | 3
3 Block Diagram
Figure 1. HW block diagram
RF antenna
Battery or External Supply
SPI LINE
BLUETOOTH
BLUENRG
Host Controller
interface
External LPO
(32.768 kHz)
32.768 kHz
BLUETOOTH L.E.. 2014 Module
Crystal
32 MHz
clock
SUPPLY FILTER
Bead Ferrite
RF
BALUN
+ Filter
Internal / Ext.
32.768 kHz
clock
INTERNAL 2.45 GHz
OPTIONAL PIN FUNCTION