Microchip Technology CX8703I User Manual
Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
JukeBlox Networked Media Module
CX Series
Preliminary Datasheet
Complete audio networking system on a small module
Integrated Ethernet + USB2.0
WiFi-certified 802.11b/g (optional)
Built-in strip antenna
Optional 2X Diversity Antenna
Glueless audio, video and control ports
FCC certified
Ideal for enabling network and USB audio playback for iPod
docks, audio systems, AV Receivers, active speaker systems,
internet radios, network playback adaptors
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Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
Table of Contents
1. Introduction 4
2. Block Diagram 4
3. Board Pictures 5
3.1 Top View of CX870 5
3.2 Bottom View of CX870 5
4. Ordering Guide 6
5. Electrical Specifications 6
5.1 Absolute Maximum Ratings 7
5.2 Operating Conditions 7
5.3 WiFi Specification (CX870 only) 7
6. Regulatory Compliance and Quality 8
6.2 Environmental Test 9
6.3 ESD and Transient Test (Applies to LAN and USB external connections only) 9
6.4 Magnetic Field Test 9
6.5 MTBF 9
6.6 Mechanical Specifications 9
6.7 Module Quality 9
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Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
7. Board Dimensions and Weight 10
7.1 Top & Bottom View of CX870 module 10
7.2 Side View of CX870 module 10
7.3 3D View of CX870 module 11
7.4 Module weight 11
8. Connectors and Connections 12
8.1 WLAN UFL Antenna Connector (optional) 12
8.1.1 Coaxial antenna connector dimensions 12
8.2 Module Connectors 12
8.2.1 Pin Descriptions 13
8.2.2 Connector PIN Assignments 17
8.2.3 GPIO Assignments 19
9. Application Guidelines 19
9.1 Power Supply sequencing and Reset Timing 19
9.1.1 Power up, Reset and Power Down Timing 20
9.2 RF Considerations 20
10. Revision Control 21
Module Revision History 23
Trademarks 23
Warranty Limitations 23
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Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
1. Introduction
The CX-series module is a single-board networked media player module, based on BridgeCo’s DM860
and DM870 media processors, and enables fast product developments with Ethernet, USB and
optional WiFi connectivity. The module connects to standard legacy componen ts in various audio,
video/LCD and control formats.
2. Block Diagram
JukeBlox Networked Media Module – CX Series
RJ-45
+
Transformer
USB
Type-A
CCIR-656
A/D, D/A
Controller/
LCD setup
Display
SD-Card
S/PDIF
Host
Reset In
3x6bit RGB
4/8bit MMC
Apple Coprocessor
Video Out
Audio I/O
SPI Ctrl.
GPIO
3.3V
1.2V
1.9V
Ethernet
Transceiver
I2C
PWM DAC
UART
I2C
JTAG
RST
RMII
USB
LCD
SSM
I2C
DAC
AV
Ports
UART
I2C
JTAG
SPI
GPIO
DM860
or
DM870
Flash
Mem.
Bus
802.11
RF Amp. ANT
Ext.
Antenna
Antenna
NAND-Flash
256 Mbit
SDRAM
NOR-Flash
2.4 GHz RF
transceiver
switch
PCB
Ext.
Antenna
24.000 MHz
32.768 kHz
RTC Clock
PCB
Antenna
Note: Choice of antenna is a build option, see Ordering Guide.
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Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
3. Board Pictures
Please note that the below pictures show the prototype version of the layout, and do not include the RF and top shields that
will be present on production modules. Pictures of production version modules will be added as soon as possible.
Also, please note that the 64-pin connector moun ted on the module is the male gender.
3.1 Top View of CX870
802.11b/g
front-end
PCB
antenna
SDRAM
PCB
antenna
3.2 Bottom View of CX870
LCD
connector
Low density
connector
External
Antenna
Connectors
BridgeCo
processor
Ethernet
PHY
FLASH
Media
connector
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Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
4. Ordering Guide
WiFi (on-
module
Part
Number
CX870-3A DM870+T6201 X (X)* X X X X X X X
CX870-3B DM870+T6201 X X X X X X X
CX870-3D DM870+T6201 X (X)* X X X X X X
CX870-3F DM870+T6201 X X X X X X X
CX870-3G DM870+T6201 X X X X X X
CX870-3H DM870+T6201 X X X X X X X
CX870-3I DM870+T6201 X X X X X X
CX870-3J DM870+T6201 X X X X X X
BridgeCo IC’s
PCB
diversity)
Ext.
Diversity
Antennas
(UFL Conn.)
Ethernet
USB
Host
Low
density
64-pin
Conn.
Media
120-pin
Conn.
LCD
Conn.
32MByte
SDRAM
16MByte
SDRAM
1Gbit
NAND
FLASH
8MByte
NOR
FLASH
Note: Please note that the Apple Authentication Coprocessor wil l not be provided on the
CX module. The Apple Authentication Coprocessor should be provided on the product
motherboard, connected to the SDA, SCL signals from the CX module.
Note: Shaded rows indicate Custom or Obsolete configuration - NOT TO BE USED FOR
NEW/STANDARD MP DESIGNS.
* Connector on board, but requires board modification to enable the connector
Top
Module
Shield
5. Electrical Specifications
Parameter State Model Voltage Symbol min. typ. max. Units
Power Supply Input Voltage
VIN
3.0
1.08
1.8
3.3
1.2
1.9
3.6
1.32
2.0
Logic Input high voltage VIH 1.7 5.5 V
Logic Input low voltage VIL -0.3 0.7 V
Logic Input threshold voltage VIT 1.29 1.39 1.5 V
Schmitt-trigger input low to
high threshold voltage
Schmitt-trigger input high to
low threshold voltage
V
1.58 1.65 1.71 V
IT+
V
0.95 1.01 1.06 V
IT-
Logic Output high voltage VOH 2.4 V
Logic Output low voltage VOL 0.4 V
Logic Low-level output current
(V
=0.4V)
OL
Logic High-level output current
(V
=2.4V)
OH
Reset State
-9.6 -15.6 -19.3 mA
I
OL
11.1 22.5 35.3 mA
I
OH
3.3 I3.3 60 78 mA
1.2 I1.2 32 42 mA
1.9 I1.9 18 23 mA
Current Consumption
Operating in idle
state
CX870
3.3 I3.3 185 241 mA
1.2 I1.2 337 438 mA
1.9 I1.9 257 334 mA
Playback over
WiFi high mips
& rate condition
3.3 I3.3 240 312 mA
1.2 I1.2 347 451 mA
1.9 I1.9 258 335 mA
Note: The maximum current values are 30% larger than the typical values . The
maximum values are intended to be used for power supply sizing calculations.
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V
V
V
Preliminary Data Sheet: CX Series
5.1 Absolute Maximum Ratings
Parameter Component Min Max Units
3.3V Supply Voltage -0.5 4.6 V
1.2V Supply Voltage -0.5 1.8 V
1.9V Supply Voltage -0.5 2.2 V
Logic Input Voltage -0.5 6 V
Logic Output Voltage
Main
-0.5 4.6 V
5.2 Operating Conditions
Parameter Min Max Units
Operating Temperature 0 +70 °C
Operating Humidity 10 90 (non condensing) %RH
Storage Temperature -10 +75 °C
Storage Humidity 10 95 (non condensing) %RH
Storage Temperature Cycle Test 24 hrs -10 +75 °C
JukeBlox Networked Media Modules
5.3 WiFi Specification (CX870 only)
Feature Description
WLAN Standards IEEE 802.11b
Frequency Band 2.412 – 2.472 GHz (2.4GHz ISM Band, 13 Channels)
Modulation 802.11b mode (DS-SS: IEEE 802.11b)
Transmission Speed 802.11b mode
Tx Power 802.11b mode (16.5dBm, +/-1dBm)
Power-on Ramp < 2us
RF Carrier Suppression < 15dBc
TX EVM < -5dB @ 6Mb p s
Rx Sensitivity
(incl. CE2 Mother board)
Throughput Rate
(measured for each
module)
IEEE 802.11g
Channel 1 - Channel 13
North America, Japan Telec, Europe ETSI
802.11g mode (OFDM: IEEE 802.11g)
11Mbps, 5.5Mbps, 1Mbps
802.11g mode
54Mbps, 48Mbps, 36Mbps, 24Mbps, 18Mbps, 12Mbps, 9Mbps, 6Mbps
802.11g mode (21dBm, +/-1dBm)
< -25dB @ 54Mbps
802.11b mode
=<-88dBm @ 1Mbps, =<-85dBm @ 5.5Mbps, =<-83dBm @ 11Mbps
802.11g mode
=<-86dBm @ 6Mbps, =<-75dBm @ 36Mbps, =<-69dBm @ 54Mbps
See factory test specification
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Preliminary Data Sheet: CX Series
JukeBlox Networked Media Modules
6. Regulatory Compliance and Quality
Description Country Compliance Module Versions Passed
Electromagnetic Compatibility
(Prescan)
Radio Regulations (CX870
only)
USA
Europe
USA
Japan
Canada
Europe
New Zealand/Australia
China
Korea
Note: BridgeCo does not certify all module variants for all countries.
Please contact your BridgeCo sales office for the latest information about which modules
are certified for which countries, and arranging for additional certification for
your chosen module if needed. Product manufacturers are responsible for the end
product certification.
BridgeCo can help manufacturers to prepare for the WiFi Alliance tests by providing an
example test plan and the required commands to enable special test modes. Please
contact your BridgeCo sales office about WiFi Alliance logo certification assistan ce.
FCC CFR47 Part15B
EN 55022
EN 55024
EN 61000-3-2
EN 61000-3-3
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 61000-4-8
EN 61000-4-11
FCC Part 15C
Telec
IC RSS-210
CE
CE
SRRC
KCC
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