OSD335x-SM Power Application Note

This application note is intended for engineers to understand the power management system of OSD335x-SM.  It is also intended to aid in power budgeting for systems using the OSD335x-SM. It provides an overview of the power management system inside the OSD335x-SM and runs through an example application power budgeting procedure. (Read More…)

AM335x Signal Names Mapped to OSD335x Family Pins

 

This App Note is a quick reference to help understand the mapping of the pins between the OSD335x-SM Family of devices and the AM335x processor contained within.  It can also serve as a mapping between the pins of the OSD335x-SM Family and the OS335x Family of devices. (Read More…)

OSD335x-SM Pin Assignments Mapped to AM335x

 

This App Note is a quick reference to help understand the mapping of the pins between the OSD335x-SM Family of devices and the AM335x processor contained within.  It can also serve as a mapping between the pins of the OSD335x-SM Family and the OS335x Family of devices. (Read More…)

OSD335x-SM Layout Guide

Introduction

The OSD335x-SM was designed to minimize the number of Printed Circuit Board (PCB) layers and make the layout process easy. This document will cover important aspects of PCB layout design specific to the OSD335x-SM and help designers quickly begin the PCB layout process. First, this document will discuss the layout of the OSD335x-SM BGA. Then it will discuss a few common layout scenarios using relevant examples with recommendations on pours for Power, Ground, IO domains, Clamping Circuit and other supporting circuitry.

This document assumes that the reader is already familiar with layout design process and the OSD335x-SM (OSD335x-SM Data Sheet). It should not be used as a comprehensive layout tutorial or a generic layout design guide. (Read More…)

OSD335x Bare Minimum Board Boot Process

Introduction

This document will take you through the bring-up process of the Printed Circuit Board (PCB) developed as part of the OSD335x Reference Design Lesson 1.

We begin with bringing-up the newly manufactured board (PCB) to make sure it is functional.  Then we set up the necessary software environment including the TI Code Composer Studio (CSS) IDE and Starterware. We conclude with the demo apps to verify the overall functionality of the board.

(Read More…)

OSD335x Peripheral Circuitry

Introduction

Now that the power, reset and clocks are all connected, we need to add the ability to program the OSD335x to make our design useful. To program the OSD335x, we are going to use the JTAG connection to the processor (later lessons will look at other boot devices). To enable us to do some fun things with our design, we will add a couple of general purpose LEDs, switches, and a multipurpose peripheral header. The header will allow us to connect daughter boards to extend functionality.

(Read More…)

OSD335x Clock Circuitry

Introduction

A clock is essential for the operation of any microprocessor. Therefore, proper design of the clock circuit is pivotal to achieve reliable operation. This article will help you understand the OSD335x Clock Circuitry design methodology.

(Read More…)

OSD335x Reset Circuitry

Introduction

This article will help you understand the OSD335x Reset Circuitry design methodology.

A Reset circuit/pin is typically used to help a microprocessor reinitialize itself and resume its normal operation whenever it runs into an error condition which is undesirable for the current activity and when all other recovery mechanisms fail. It is also used during power-up to make sure the microprocessor and all its modules start their operation from a known state.

(Read More…)

OSD335x Clamping Circuit

Introduction

This article is the fourth part of the OSD335x Reference Design Lesson 1 Power circuitry discussion. It will focus on a clamping circuit which may be needed by your application. A clamping circuit is a type of circuit that maintains the voltage level of an input with respect to another input. As we discuss the clamping circuit, we will build the schematic and layout the corresponding traces.

(Read More…)

OSD335x Power Management

Introduction

This article is the third part of the OSD335x Reference Design Lesson 1 Power circuitry articles. It will mainly focus on topics related to control and management of power for the OSD335x. As we discuss the power circuitry, we will build the schematics and layout the corresponding traces.

(Read More…)

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