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Figure 4 Screen shot of the PurePath Wireless Configurator.

6 Hardware Overview

This section describes each block of the CC85xx Headset board. A simplified block diagram of the

CC85xx Headset board is shown in Figure 5.

CC8531

BQ25015

Charger with Integrated

Synchronous Buck Converter

CC2590

(Range

Extender)

PAEN

EN

RF_N

RF_P

GIO14_xPAEN

GIO15_xLNAEN

RF_N

RF_P

TLV320AIC3204

(Low power codec)

GIO7_AD0

GIO8_AD1

GIO4_MCLK

GIO4_BCLK

GIO4_WCLK

GIO10_SCL

GIO11_SDA

GIO2_RESET

CSN

GIO9/I2S_AD2

GIO3

DIN

MCLK

SCLK

LRCLK

SCL

SDA

RESET

HPLOUT

2.1V

3.7V Li-Ion battery

(465mAh)

3.7V

DVDD

HPROUT

IN1L

IN1R

L

R

Charge indicator LED

Status LED

DOUT

USB Connector

USBP

USBM

VBUS (5V)

USBP

USBM

GIO3

Rocker Switch

PCB antenna

Mic/Line-in

Figure 5. Block diagram of the CC85xx Headset board.