SARA-R4 series - System integration manual
UBX-16029218 - R20 System description Page 10 of 128
C1-Public
1.2 Architecture
Figure 1 summarizes the internal architecture of SARA-R410M and SARA-R412M modules.
Figure 1: SARA-R410M and SARA-R412M modules simplified block diagram
☞ The SARA-R410M-01B modules, i.e. the “01B” product version of the SARA-R410M modules, do
not support the following interfaces, which should be left unconnected and should not be driven
by external devices:
o DDC (I2C) interface
o SDIO interface
o SPI interface
o Digital audio interface
☞ The SARA-R410M-02B, the SARA-R410M-52B, the SARA-R410M-63B, the SARA-R410M-73B,
the SARA-R410M-83B, the SARA-R412M-02B modules, i.e. the “02B”, “52B”, “63B”, “73B” and
“83B” product versions of the SARA-R410M and SARA-R412M modules, do not support the
following interfaces, which should be left unconnected and should not be driven by external
devices:
o SDIO interface
o SPI interface
o Digital audio interface