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Hardware, 1 introduction, 2 evaluation board overview – Cirrus Logic CDB5464U User Manual

Page 3: 1 introduction 1.2 evaluation board overview, Figure 1. cdb5464u assembly drawing, Cdb5464u, Hardware 1.1 introduction

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CDB5464U

DS847DB1

3

1. HARDWARE

1.1

Introduction

The CDB5464U evaluation board provides a convenient means of evaluating the CS5464 power mea-
surement IC. The CDB5464U evaluation board operates from a single +5V power supply. The evaluation
board interfaces the CS5464 to a PC via a USB cable. To accomplish this, the board comes equipped
with a C8051F320 microcontroller and a USB interface. Additionally, the CDB5464U GUI software pro-
vides easy access to the internal registers of the CS5464. The software also provides a means to display
the performance in the time domain or frequency domain.

1.2

Evaluation Board Overview

The board is partitioned into two main sections: analog and digital. The analog section consists of the
CS5464 and a precision voltage reference. The digital section consists of the C8051F320 microcontroller,
EEPROM, the hardware test switches, the reset circuitry, and the USB interface. The board also has a
user friendly power supply connection.

Figure 1. CDB5464U Assembly Drawing

4.096 MHz

CDB5464U

CS5

464