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Main module daughter card, Figure 8 – power generation and distribution – Sundance SMT390-VP User Manual

Page 20

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Version 2.4

Page 20 of 55

SMT390-VP User Manual


The MSP430 distributes the reset to the daughter board. The following diagram
illustrates the power distribution and the reset distribution on the SMT390-VP:

Main Module

Daughter Card

TIM Connector

D+5V0_IN

D+3V3

TIM

Mounting Hole

D+3V3_IN

Analog Power

Switch

D+2V5

D+1V5

Main Module to

Daughter Card

Power

Connector

D+3V3

Analog Filter

Vadcio

DC / DC

Converter

A+3V3

D+2V25

MSP430

Microprocessor

Vccint

DC / DC

Converter

Vccaux

DC / DC

Converter

On / Off

Control

Voltage

Measure

Voltage

Measure

Figure 8 – Power Generation and Distribution

MSP430 Functionality

The MSP430 implements analog control functionality that is difficult to implement in
the FPGA. The microprocessor

• Controls the power start-up sequence
• Controls the reset structure on the module

The following diagram shows what the default microcontroller boot code does: