Cirrus-logic CDB5467U Uživatelský manuál stáhnout pdf (Strana 3)

CDB5467U

DS714DB1 3

1. HARDWARE

1.1 Introduction

The CDB5467U evaluation board provides a convenient means of evaluating the CS5467 power mea-

surement IC. The CDB5467U evaluation board operates from a single +5V power supply. The evaluation

board interfaces the CS5467 to a PC via a USB cable. To accomplish this, the board comes equipped

with a C8051F320 microcontroller and a USB interface. Additionally, the CDB5467U GUI software pro-

vides easy access to the internal registers of the CS5467. 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

CS5467 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. CDB5467U Assembly Drawing

4.096 MHz

CDB5467U

5467

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Cirrus-logic CDB5467U Uživatelský manuál Strana 3