User's Guide

USER GUIDE ITRON CONFIDENTIAL 11
Figure 3: Layers and communication protocols for Itron Riva Modular LE and host board
The paths within and out of the module are shown in Figure 4.
Figure 4: Module RF Paths
STM32L486
ADF7030
-1
PA + Swi tch
low power TX
RX
high power TX
SPI
IOs
DC/DC
3V3
4V8
3V33V3
IOs
RF
IO Cont ro l
26MHz
TCXO
Vcc
902.2-927.75MH z
902.2-927.75MH z
902.2-927.75MH z
902.2-927.75MH z
U. FL
32 kHz
Mems
Flas h
SPI
902.2-927.75MH z
IOs
3V3
3V3