MPX-Module 6
miriac SBC-S32V User Manual
V 1.1
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© MicroSys Electronics GmbH 2017
6.3
eMMC
The local boot device of the MPX-S32V module is realized as an eMMC. The
MTFC16GAKAENA-4M-IT from Micron uses the 8-bit wide data bus, provided by
the µSDHC module of the S32V234. This interface is shared between the external
storage devices on the carrier board and the local eMMC. The selection can be
either made by the setting of a CPU GPIO pin or via the MCU. Per default, the
multiplexing is done through the MCU by the setting of the boot mode switch.
The reset input of the eMMC device is connected to port PTB7 of the MCU. In case
this port is not configured, the FRSTI# signal is tied to +3.3V by a pullup resistor.
6.4
Leds
There are four LEDs onboard the MPX-S32V module. The user LEDs 1 and 2 can
be controlled by two CPU GPIO pins, led 3 indicates state of the reset line and led
4 is connected to the MCU port PTC3.
Led
Color
ON
OFF
Description
LD1
green
CPU-PG5=high
CPU-PG5=low
LDG1 installed / LDG3 not installed
LD2
green
CPU-PG6=high
CPU-PG6=low
LDG2 installed / LDG4 not installed
LD1
green
CPU-PB1=high
CPU-PB1=low
LDG3 installed / LDG1 not installed
LD2
green
CPU-PB2=high
CPU-PB2=low
LDG4 installed / LDG2 not installed
LD3
red
RESET#=low
RESET#=high
Reset state indicator
LD4
yellow
MCU-PTC3=high
MCU-PTC3=low
MCU status led
Figure 22: MPX-LEDs
