7 led function indicators, Configuration settings, Cdb8416 – Cirrus Logic CDB8416 User Manual

Page 5

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CDB8416

DS578DB3

5

1.7

LED Function Indicators

Several LEDs are provided to indicate board func-
tions. D9 indicates that power is present to the
VD+/VA+ section of the CS8416 and CS8406.
D11, D12, and D13 indicate the status of the

NV/RERR, AUDIO, and 96 kHz output of the
CS8416 in Hardware Mode. See the CS8416 data
sheet for an explanation of the conditions that acti-
vate each of these outputs.

2. CONFIGURATION SETTINGS

CONNECTOR

INPUT/OUTPUT

SIGNAL PRESENT

J3 (+5V)

Input

+5 Volt Supply for supporting circuitry

J4 (GND)

Input

Ground connection from power supply

J5 (VL+)

Input

+3.3 to 5.0 Volt Digital Logic power for the CS8416 and CS8406

J6 (VD+/VA+)

Input

+3.3 Volt VD+/VA+ when not using the onboard regulator

J9, J16, J21

Input

Digital Audio Interface coaxial input

OPT1-OPT4

Input

Digital Audio Interface optical input

J2

Input

Digital Audio Interface XLR input

J1

Input/Output

Parallel port for connection to parallel port of PC

J20

Output

Digital Audio Interface optical output

J19

Output

Digital Audio Interface coaxial output

J10

Output

Digital Audio Interface XLR output

J18

Input/Output

I/O for CS8416 and CS8406 PCM data and clocks

Table 1. System Connections

JUMPER

PURPOSE

POSITION

FUNCTION SELECTED

J7

Selects between using a separate supply for
VL+ or using the +5 Supply.

ADJUST

+5V

Uses J5 to supply from +3.3V to +5.0V for VL+ Uses
J3 to supply +5V for VL+

J8

Selects between using a separate supply for
VD+/VA+ or using the onboard +3.3V regulator.

REG

ADJUST

Uses the onboard +3.3V regulator for VD+/VA+
Uses J6 to provide the +3.3V supply for VD+/VA+

J12

Current measurement for CS8416 VA+

CLOSED

OPEN

Normal operation
Use J13 to measure CS8416 VA+ current

J13

Current measurement for CS8416 VD+

CLOSED

OPEN

Normal operation
Use J12 to measure CS8416 VD+ current

J17

Current measurement for CS8416 VL+

CLOSED

OPEN

Normal operation
Use J16 to measure CS8416 VL+ current

J14

Current measurement for CS8406 VD+

CLOSED

OPEN

Normal operation
Use J14 to measure CS8406 VD+ current

J15

Current measurement for CS8406 VL+

CLOSED

OPEN

Normal operation
Use J15 to measure CS8406 VL+ current

J11

Selects between coaxial or XLR output

XLR

COAX

Selects XLR output on J10
Selects coaxial output on J19

Table 2. CDB8416 Jumper Settings

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