An312 – Cirrus Logic AN312 User Manual

Page 6

Advertising
background image

6

AN312REV2

AN312

Figure 9. 0x01 Mode Typical Connection - Synchronization of All Nodes

Note:

All nodes should be on house synch.

Figure 10. Mode 0x01 Clock Circuit Used with CM-1 Modules

CobraNet Interface

(External Word Clock

Mode)

FS1

SCLK

REFCLK

CobraNet Interface

(External Word Clock

Mode)

SCLK

REFCLK

CobraNet Interface

(External Word Clock

Mode)

FS1

SCLK

REFCLK

48 kHz House Sync

MCLK_OUT

MCLK_OUT

MCLK_OUT

FS1

Beat Received

VCXO

24.576MHz

+/- 100 PPM

DAC

MCLK_IN

MCLK_SEL

REFCLK_Enable

REFCLK_Polarity

REFCLK

Edge

Detect

MCLK

MUX

Beat

MUX

Phase

Detector

Sample

Phase

Counter

RST

Loop
Filter

control

Clock

Out

MCLK_OUT (master)

FS1 (word)

SCK (bit)

Audio
Clock

Generator

Clock Config

Signal

Path

Control

Path

Hardware

FPGA

Software

Active
Signal

Path

Advertising