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PDF CS496122 Data sheet ( Hoja de datos )
| Número de pieza | CS496122 | |
| Descripción | Digital Audio NetworkingProcessor | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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CS1810xx, CS4961xxw,ww&.DaCtaMShe-e2t4U.com
Digital Audio Networking Processor
CobraNet™
Silicon Series
CS18100x, CS18101x, CS18102x, and CM-2
CS49610x, CS49611x, and CS49612x
Hardware User’s Manual
Version 2.3
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
http://www.cirrus.com
©Copyright 2005 Cirrus Logic, Inc.
JUN ’05
DS651UM23
1 page  
CobraNet Hardware User’s Manual
Introduction
1.0
Introduction
www.DataSheet4U.com
This document is intended to help hardware designers integrate the CobraNetTM interface
into an audio system design. It covers the CS18100x, CS18101x, CS18102x, CS49610x,
CS49611x, and CS49612x members of the CobraNetTM Silicon Series of devices, where
“x” is the ROM version (ROM ID). This document also describes the CM-2 module with
schematics, mechanical drawings, etc.
CobraNet is a combination of hardware (the CobraNet interface), network protocol, and
firmware. CobraNet operates on a switched Ethernet network and provides the following
additional communications services.
• Isochronous (Audio) Data Transport
• Sample Clock Distribution
• Control and Monitoring Data Transport
The CobraNet interface performs synchronous-to-isochronous and isochronous-to-
synchronous conversions as well as the data formatting required for transporting real-time
digital audio over the network.
The CobraNet interface has provisions for carrying and utilizing control and monitoring
data such as Simple Network Management Protocol (SNMP) through the same network
connection as the audio. Standard data transport capabilities of Ethernet are shown here
as unregulated traffic. Since CobraNet is Ethernet based, in most cases, data
communications and CobraNet applications can coexist on the same physical network.
Figure 1 illustrates the different data services available through the CobraNet system.
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DS651UM23
Version 2.3
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Figure 1. CobraNet Data Services
©Copyright 2005 Cirrus Logic, Inc.
Clock
5
5 Page 
CobraNet Hardware User’s Manual
Pinout and Signal Descriptions
4.1.2 CM-2 Connector Pinout
www.DataSheet4U.com
Table 1 lists the pinout for the four pinout connectors on the CM-2 board (J1-J4). The
interfaces for these signals are expanded following the table.
Conn. Pin #
Pin Name
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
UART_RXD
UART_TX_OE
HACK
HR/W
HDS
HREQ
HEN
HADDR0
HADDR1
HADDR2
HDATA0
HDATA1
HDATA2
HDATA3
HDATA4
HDATA5
HDATA6
HRESET
HDATA7
HADDR3
UART_TXD
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
Table 2. CM-2 Pin Assignments
Conn. Pin #
Pin Name
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J1/J2
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
RSVD1
GND
VCC_+3.3V
RSVD2
MUTE
FS1
MCLK_OUT
MCLK_IN
REFCLK_IN
DAO1_SCLK/DAI1_SCLK
DAO1_DATA0
DAO1_DATA1
DAO1_DATA2
DAO1_DATA3
DAI1_DATA0
DAI1_DATA1
DAI1_DATA2
Conn. Pin #
Pin Name
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
J3/J4
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
DAI1_DATA3
RSVD3
WATCHDOG
RSVD4
AUX_POWER2
AUX_POWER0
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
VCC_+3.3V
GND
GND
VCC_+5V
VCC_+5V
AUX_POWER3
AUX_POWER1
DS651UM23
Version 2.3
©Copyright 2005 Cirrus Logic, Inc.
11
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