Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsDev KitsPCB design board

S/PDIF IN

S/PDIF OUT

USB

Connector

USB Interface

SW001 - SW003

Operation Control

3.3 V

REG

12-MHz XTAL

CN002

CN001

Lch

Rch

V L/R

OUT

V L/R

DIN

DOUT

D+/–

BUS

OPA2353

LPF

OPA2353

LPF

CN101

Analog Out

Lch

Rch

CN102

Analog In

PCM2900C

PCM2902C

PCM2906C

GND GND

OUT IN

Description

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1.1 Block Diagram

A block diagram of the PCM2900C/2902C/2906C is shown in Figure 1.

Figure 1. PCM290xCEVM-U Block Diagram

1.2 Connectors and Jumpers

Table 1 summarizes the connectors and jumpers on the PCM290xCEVM-U. Figure 2 illustrates the pinout

for CN002.

Table 1. Connectors and Jumpers

Connector/Jumper Description

USB port (series B connector); connects to a USB

CN001

cable/connector

CN101 Audio LINE OUT (stereo mini-jack, 1.98 V

full-scale)

CN102 Audio LINE IN (stereo mini-jack, 1.98 V

full-scale)

CN002 S/PDIF IN/OUT for PCM2902C/PCM2906C

Figure 2. CN002 Pinout

1.3 Switch Settings

• SW001: Human interface device (HID) key state (mute)

• SW002: HID key state (volume up)

• SW003: HID key state (volume down)

These switches should be set to logic level low when no HID is being used, or toggled high for HID control

of the respective parameters.

PCM2900C/2902C/2906CEVM-U SBAU195– September 2011

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