5.12 Configuring the 516 Daughter Card for Standalone Use
It is possible to use the daughter cards without the motherboard to run code on the microcontroller.
Power to the daughter cards must be supplied through the terminal power connector JP3 – EXT PWR. It
is required to connect all three voltages (1.25 V, 3.3 V, 5V SR and 5 V LR) and ground as explained in
Section 5.1.2 (or)
The Daughter Card can be used in standalone by enabling PowerSBC with its respective jumpers as
described in the Section 5.1.3.
Additional to enabling PowerSBC power supply it is required to connect the 5V_SR power rail to the
Analog power rail of the daughter card that powers the VDDA_SD & VDDA_EQ (ADC supply) and
VRH_SD, VRH_SEQ (ADC reference voltage) pins. It is recommended to do that by installing a
jumper connecting J5 (2-3) (5.0V_SR) to Analog Supply Rail.
6. Board Interface Connector
This chapter provides a useful cross reference to see the connection from the motherboard to the
board interface connector, and what MCU pins are connected to the interface connector on the
daughter card.
Table 24 lists all the connections to the board interface connector on both motherboard and daughter card.
The columns on the left lists the 240 connections for J43 & J56
• The column “Daughter Card” shows the 516/416 Daughter card connections to the
interface connectors like power supply connections and user area port pins.
• The column “Motherboard” shows the corresponding motherboard connections to the
interface connectors like power supply connections and user area port pins.
• Ground signals are not listed here. A solid ground connection is achieved through the
middle bar of the interface connector.
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