GATEWORKS GW2348-4 User manual

AVILA
NETWORK COMPUTER
Operating Manual
For
GW2348-4 Network Processor
Document #10000545
Revision 00
14 February 2006
Copyright 2006

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TABLE OF CONTENTS
1. INTRODUCTION............................................................................................................................... 4
1.1. Product Description.................................................................................................................... 4
1.2. Standard Features....................................................................................................................... 4
1.3. Ordering Options – Standard Configuration* ............................................................................ 4
1.4. Functional Blocks........................................................................................................................ 5
Processor............................................................................................................................................... 6
SDRAM................................................................................................................................................ 6
Flash...................................................................................................................................................... 6
Compact Flash ...................................................................................................................................... 7
Mini-PCI Sockets.................................................................................................................................. 7
Ethernet................................................................................................................................................. 7
EEPROM.............................................................................................................................................. 7
Real Time Clock................................................................................................................................... 7
Temperature and Voltage Monitor........................................................................................................ 8
Fan Speed Controller ............................................................................................................................ 8
Serial I/O............................................................................................................................................... 8
Digital I/O............................................................................................................................................. 8
USB....................................................................................................................................................... 8
JTAG Programming Port...................................................................................................................... 9
Status LED and Push Button Reset....................................................................................................... 9
DC/DC Converter ................................................................................................................................. 9
2. CONFIGURATION AND INSTALLATION................................................................................. 10
2.1. Memory Mapping...................................................................................................................... 10
2.2. PCI Device Mapping................................................................................................................. 11
2.3. Interrupt Mapping..................................................................................................................... 11
2.4. Digital I/O Mapping.................................................................................................................. 12
2.5. Interface Connectors................................................................................................................. 13
Mini-PCI Sockets (J1, J2, J3, J4)........................................................................................................ 15
Compact Flash Socket (J5) ................................................................................................................. 17
COM2 Serial Port Header (J6)............................................................................................................ 18
JTAG Port Header (J7) ....................................................................................................................... 18
Digital I/O Header (J8) ....................................................................................................................... 18
Power Connector (J9) ......................................................................................................................... 19
Ethernet Connectors (J10, J11)........................................................................................................... 19
COM1 Serial Port Connector (J13)..................................................................................................... 20
Fan Controller (J14)............................................................................................................................ 20
Optional Dual USB Host Connector (J18)..........................................................................................21
2.6. Input Voltage Selection.............................................................................................................. 21
2.7. JTAG Programming.................................................................................................................. 21
2.8. Getting Started .......................................................................................................................... 22
2.9. Manufactures Website Links / Support Mailing List ................................................................. 22
Hardware............................................................................................................................................. 23
Software.............................................................................................................................................. 23

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3. SPECIFICATIONS........................................................................................................................... 24
3.1. Electrical................................................................................................................................... 24
3.2. Mechanical................................................................................................................................ 24
3.3. Environmental........................................................................................................................... 24
4. CUSTOMER SUPPORT.................................................................................................................. 25
4.1. Product Revision History .......................................................................................................... 25
4.2. Technical Assistance ................................................................................................................. 25
4.3. Warranty.................................................................................................................................... 25
4.4. Return for Repair....................................................................................................................... 25
4.5. Life Support Policy.................................................................................................................... 26
4.6. Trademarks................................................................................................................................ 26

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1.INTRODUCTION
1.1. Product Description
The GW2348-4 is a member of the Gateworks Avila Network Processor family.
The GW2348-4 meets the requirements for enterprise and residential network
applications. This single board network processor consists of an IntelIXP425
XScaleprocessor operating at 533MHz, 64Mbytes of SDRAM, and 16Mbytes of
Flash. Peripherals include four Type III Mini-PCI slots, two 10/100 Base-TX
Ethernet channels, Compact Flash socket, and two RS232 serial ports for
management and debug. Additional features include serial EEPROM, real time
clock, voltage and temperature monitor, fan controller, watchdog timer, passive
power over Ethernet, digital I/O, wide range DC/DC power supply, and extended
temperature operation. An optional high-speed USB host controller is also
available. Software support includes Linux and VxWorksoperating systems.
1.2. Standard Features
 IntelXScaleIXP425 533MHz Processor
 64Mbytes SDRAM
 16Mbytes Flash
 Four Type III Mini-PCI Sockets
 Two 10/100 Base-TX Ethernet Ports
 Compact Flash Socket
 Two RS-232 Serial Ports
 General Purpose Digital I/O
 1Kbyte Serial EEPROM
 Battery Powered Real Time Clock
 Voltage and Temperature Monitor
 Thermally Activated Fan Controller
 Watchdog Timer
 User LED and Push Button Reset
 Optional High-speed USB Host Controller
 Passive Power Over Ethernet
 Reverse Voltage and Transient Protection
 9-48VDC Input Voltage Range
 18W available for Mini-PCI Sockets
 5W Typical Operating Power
 -40C to 85C Operating Temperature
 Software Support for Linux and VxWorks
 1 Year Warranty
1.3. Ordering Options – Standard Configuration*
Order Code Processor SDRAM Flash Mini-PCI Operating Temp.
GW2348-4 IXP425 @ 533MHz 64Mbytes 16Mbytes 4 -40C to 85C
* Contact factory for different configurations of CPU, DRAM, Flash, and support peripherals

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1.4. Functional Blocks
The functional block diagram for the GW2348-4 network processor is shown
below followed by a detailed description of each major functional block.
ETHERNET
10/100 PHY
ETHERNET
10/100 PHY
SDRAM
64Mbytes
MINI-PCI
SOCKET
MINI-PCI
SOCKET
JTAG
POWER
STATUS LED
XSCALE
PROCESSOR
IXP425@533MHZ
FLASH
16Mbytes
MINI-PCI
SOCKET
MINI-PCI
SOCKET
RS232
DIO
COMPACT
FLASH
SOCKET
RS-232
SERIAL EEPROM
REAL TIME CLOCK
SYSTEM MONITOR
FAN CONTROLLER
DC/DC
CONVERTER
9-48V@23W
GW2348-4 Functional Block Diagram

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Processor
The IntelXscalenetwork processor line includes the IXP420, IXP422 and
IXP425 processors. The features common to these processors are listed below.
The primary difference between these processors is support for encryption,
operating speed, operating temperature and cost. See the following table below
for the differences between the processor families. The factory default GW2348-
4 includes the IXP425 processor.
 StrongARM Version 5TE Compliant
 Network processing engines to offload Ethernet filtering
 32-bit SDRAM interface operating at 133MHz
 32-bit PCI interface operating at 33MHz for Mini-PCI support
 16-bit Expansion interface for Flash support
 Two 802.3 MII/RMII interfaces for Ethernet PHY support
 USB 1.1 device controller
 Two serial ports
 Four internal timers
 Internal bus performance monitoring unit
 General purpose Input/Outputs
 Watchdog Timer
Feature IXP420 IXP422 IXP425
Speed (MHz) 266, 400, 533 266 266, 400, 533
Hardware Encryption No Yes Yes
Extended Temperature 266 only No 266, 400, 533
Cost Low Mid High
IXP42x Processor Feature Comparison
SDRAM
The DRAM resides in two synchronous DRAM devices soldered directly to the
board. This architecture supports SDRAM memory capacities from 32Mbytes up
to 128Mbytes. The 32-bit SDRAM interface operates at 133MHz. The factory
default GW2348-4 includes 64Mbytes of SDRAM.
Flash
The Flash resides in one or two J3 Intel StrataFlashdevices soldered directly to
the board. This architecture supports Flash memory capacities from 4Mbytes up
to 32Mbytes. The factory default GW2348-4 includes 16Mbytes of Flash in a
single device.

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Compact Flash
The GW2348-4 supports a single Compact Flash socket located on the rear of
the board. The Compact Flash socket accepts small removable mass storage
cards with storage capacities up to 4Gbytes. The Compact Flash interrupt is
mapped to general purpose I/O 12 (GPIO12) of the IXP processor.
Mini-PCI Sockets
Mini-PCI is a small form factor PCI card that uses the same signal protocol,
electrical specifications, and configuration definitions as conventional PCI. The
GW2348-4 includes four Mini-PCI sockets. The GW2348-4 increases the Mini-
PCI power specification from a maximum of 2.5W to a total of 18W for all four
sockets. This permits each socket to operate 4.5W for supporting high power
radios.
Ethernet
The GW2348-4 supports two Ethernet ports using an Intel LXT973 PHY
Transceiver. Both channels operates in a 100BASE-TX or 10BASE-T
configuration and support auto MDI/MDIX for automatically switching twisted pair
inputs and outputs. Additional features include full-duplex operation for both
10Mbps and 100Mbps configurations as well as support for auto-negotiation. The
Ethernet ports are available through standard RJ45 connectors. The connectors
have two integrated status lights. The green status light indicates link and
activity. The light is on for link and blinking for activity. The yellow status light
indicates speed. The light is on for 100Mbps and off for 10Mbps.
EEPROM
The Atmel AT24C08AN is an Electrically Erasable Programmable Read Only
Memory (EEPROM) with 8Kbits of storage. The 8kbits of storage is organized in
a 1048 x 8-bit configuration. Additional features include 1,000,000 erase/write
cycles and a 100-year minimum data retention time. Data is transmitted to and
from the EEPROM over the processor I2C bus. The I2C clock frequency is 0 to
400KHz. The I2C base address is A0 hex for writes and A1 hex for reads.
Real Time Clock
The Dallas Semiconductor DS1672 is designed to count seconds and can be
used to derive time-of-day, week, month, and year using software. A battery
ensures uninterrupted operation when the main power supply drops below the
battery voltage. The battery capacity is 35mAH. The real time clock requires
0.425 micro amps typical and 1 micro amp maximum for backup operation. This
results in a battery life of 4 years minimum and more than 9 years typical. Data is
transmitted to and from the Real Time Clock over the processor I2C bus. The I2C
clock frequency is 0 to 400KHz. The I2C base address is D0 hex for writes and
D1 hex for reads.

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Temperature and Voltage Monitor
The Analog Devices AD7418 provides temperature and voltage monitoring
capability. The GW2348-4 operating temperature is monitored through this
device. The temperature accuracy is 1C at 25C and 2C over the entire
temperature range of -40C to +125C. The GW2348-4 input voltage is also
monitored through this device. A resistor divider is used on the A/D input to scale
the input voltage down. Multiple the A/D voltage reading by 23.1 to get the actual
input voltage. Data is transmitted to and from the Temperature and Voltage
Monitor over the processor I2C bus. The I2C clock frequency is 0 to 400KHz.
The I2C 7-bit base address is 50 hex for writes and 51 hex for reads.
Fan Speed Controller
Fan speed control increases fan service life and decreases system acoustic
airflow noise. The GW2348-4 includes a Microchip TC653BE that controls the
speed of a fan based on temperature. This device keeps the fan off until the
GW2348-4 temperature reaches 35 degrees Celsius. The controller adjusts the
fan speed from 50% to 100% between 35 and 45 degrees Celsius.
Serial I/O
The GW2348-4 includes two RS232 serial I/O ports. One serial I/O port is
available through a 10-pin header and the other is available through a 9-pin
female D-shell connector. The serial ports are 16550-compliant UARTs with
additional depth for both the transmit and receive buffers. The interface supports
transfer rates from 1200bps up to 120Kbps.
Digital I/O
The IXP processor includes a 16 bits of digital I/O. Some of these signals are
used for controlling and monitoring the status of devices local to the GW2348-4
and some of them are available on a 10-pin header for application use. The
function of each digital I/O signal is described in Section 2, Configuration and
Installation.
USB
The GW2348-4 includes an optional high-speed USB host controller. The Philips
ISP1562 integrates two Open Host Controller Interface (OHCI) cores, one
Enhanced Host Controller Core (EHCI), and two transceivers. The transceivers
support high-speed transfer mode at 480Mbits per second, full-speed transfer
mode at 12Mbits per second, and low-speed transfer mode at 1.5Mbits per
second. The GW2348-4 also includes a Micrel MIC2026 power distribution switch
to enable 5V power to the USB connector under control of the ISP1562. The
MIC2026 includes internal thermal and over current limiting to protect both the
GW2348-4 and the USB load. The USB signals are available through a standard
dual USB Type A connector. The USB Controller shares resources with the J2
mini-PCI site so that only one is functional at a time. If the USB Host Controller is
loaded, the J4 mini-PCI site is not functional and should not be populated.

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JTAG Programming Port
A JTAG debug port is available to facilitate program download directly into Flash
memory. See section 2.7 for instructions on using the Gateworks JTAG
Programmer.
Status LED and Push Button Reset
The GW2348-4 includes a status LED and a push button for generating reset.
The LED is connected to general purpose I/O 3 (GPIO3).
DC/DC Converter
A switching DC/DC converter supplies power to the GW2348-4. This allows
support for a wide input voltage range and higher power radios with high
efficiency operation. The DC/DC has a minimum input voltage of 9VDC and a
maximum of 48VDC. DO NOT EXCEED THE 48VDC INPUT MAXIMUM OR
DAMAGE MAY OCCUR TO THE BOARD. The input power is supplied through
a power connector or through the RJ45 Ethernet connector in a power over
Ethernet configuration. The voltage drop due to the resistance of the Ethernet
cable between the GW2348-4 and the power injector must be considered when
selecting the power supply operating voltage. The input is protected against
reverse voltage connection and transient voltage spikes. Refer to Section 2, Input
Voltage Selection, for additional information on choosing an input voltage.

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2.CONFIGURATION AND INSTALLATION
The following section gives memory, interrupt, I2C and digital I/O mappings
specific to the GW2348-4. See the Intel IXP4XX Product Line and IXC1100
Control Plane Processors Developer’s Manual for more information on these
interfaces.
2.1. Memory Mapping
The memory map and Expansion bus chip select mapping for the GW2348-4 is
shown below.
Memory Address Size Description
0000_0000 – 0FFF_FFFF 256Mbyte Flash Memory (32Mbyte max)
0100_0000 – 2FFF_FFFF 756Mbyte SDRAM Memory (128 Mbyte max)
3000_0000 – 3FFF_FFFF Reserved
4000_0000 – 47FF_FFFF Reserved
4800_0000 – 4FFF_FFFF 128Mbyte PCI Bus
5000_0000 – 5FFF_FFFF 256Mbyte Expansion Bus
6000_0000 – 63FF_FFFF 64Mbyte Queue Manager
6400_0000 – BFFF_FFFF Reserved
C000_0000 – C3FF_FFFF 64Mbyte PCI Controller Configuration and Status
C400_0000 – C7FF_FFFF 64Mbyte Expansion Bus Configuration
C800_0000 – C800_0FFF 1Kbyte High Speed Serial
C800_1000 – C800_1FFF 1Kbyte Console Serial
C800_2000 – C800_2FFF 1Kbyte Performance Monitor
C800_3000 – C800_3FFF 1Kbyte Interrupt Controller
C800_4000 – C800_4FFF 1Kbyte GPIO Controller
C800_5000 – C800_5FFF 1Kbyte Timers
C800_6000 – C800_6FFF 1Kbyte Wan/HSS Network Processor A
C800_7000 – C800_7FFF 1Kbyte Ethernet Network Processor B
C800_8000 – C800_8FFF 1Kbyte Ethernet Network Processor C
C800_9000 – C800_9FFF 1Kbyte Ethernet MAC A
C800_A000 – C800_AFFF 1Kbyte Ethernet MAC B
C800_B000 – C800_BFFF 1Kbyte USB Device Controller – Not Used
C800_C000 – C800_FFFF Reserved
C801_0000 – CBFF_FFFF Reserved
CC00_C000 – CC00_00FF 256byte SDRAM Configuration Registers
CC00_0100 – FFFF_FFFF Reserved
Note: The bottom 256Mbytes is configurable through bit 31 of the EXP_CONFG0 register.
Memory Map

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Chip
Select Description
CS0 Flash Memory (U3)
CS1 Compact Flash Socket #CS0 (J5)
CS2 Compact Flash Socket #CS1 (J5)
CS3 Flash Memory (U4)
CS4-CS7 Not Used
Expansion Bus Chip Selects
2.2. PCI Device Mapping
The GW2348-4 PCI device mapping is listed below.
Bus
Number Device Number Fcn Number IRQ
Number Description
00 01 0 28 Mini-PCI Slot (J3)
00 02 0 27 Mini-PCI Slot (J1)
00 03 0 26 Mini-PCI Slot (J4)
00 04 0 25 Mini-PCI Slot (J2)
00 05 0-2 28 Optional USB Host Controller (J18)
PCI Device Map
2.3. Interrupt Mapping
The IXP42X processor allows for 32 interrupts which originate from either internal
processor blocks or from the 14 dedicated GPIO pins. The interrupt mapping is
shown below.
Interrupt Function
0 WAN/HSS NPE
1 Ethernet NPE A
2 Ethernet NPE B
3 Queue Manager (1-32)
4 Queue Manager (33-64)
5 General Purpose Timer 0
6 GPIO(0) – GPIO Header (J8)
7 GPIO(1) – GPIO Header (J8)
8 PCI Interrupt
9 PCI DMA Channel 1
10 PCI DMA Channel 2
11 General Purpose Timer 1
12 Device USB – Not Supported
13 Console Serial
14 Timestamp Timer
15 High-Speed Serial
16 Watchdog Timer
17 Performance Monitoring Unit
18 Performance Monitoring Unit
19 GPIO(2) – GPIO Header (J8)

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20 GPIO(3) – GPIO Header (J8)
21 GPIO(4) – GPIO Header (J8)
22 GPIO(5) – Reserved for Serial Transceiver Control
23 GPIO(6) – Reserved for I2C Bus SCL
24 GPIO(7) – Reserved for I2C Bus SDA
25 GPIO(8) - Mini-PCI Socket J2 INTA or Mini-PCI
Socket J4 INTB
26 GPIO(9) - Mini-PCI Socket J4 INTA or Mini-PCI
Socket J1 INTB
27 GPIO(10) - Mini-PCI Socket J1 INTA or Mini-PCI
Socket J3 INTB
28 GPIO(11) - Mini-PCI Socket J3 INTA or Mini-PCI
Socket J2 INTB or USB Host Controller
29 GPIO(12) – Compact Flash Socket
30 SW Interrupt 0
31 SW Interrupt 1
Interrupt Map
2.4. Digital I/O Mapping
The GW2348-4 uses the IXP42x Processor digital I/O for controlling and
monitoring the status of various devices. The IXP42x processor includes three
16-bit registers for configuring, initializing, and using the digital I/O. The output
enable register (GPOER) configures each bit as an input or output. The data
output register (GPOUTR) controls the digital I/O configured as outputs. The
input register (GPINR) reads the digital I/O configured as inputs. See the Intel
IXP4XX Product Line and IXC1100 Control Plane Processors Developer’s
Manual – Chapter 13. The digital I/O bit mapping is shown below.
GPIO Bit Direction Description
0 In or Out Digital I/O Header J8 pin 1
1 In or Out Digital I/O Header J8 pin 3
2 In or Out Digital I/O Header J8 pin 5
In or Out Digital I/O Header J8 pin 7 or
Out Unpopulated Status LED D20 or3 Out Status LED D21
4 In or Out Digital I/O Header J8 pin 9
Out RS232 Serial Port Driver Enable or
5 Out Unpopulated Status LED D19
6 Out I2C Bus SCL
7 Bidirectional I2C Bus SDA
8 In Unpopulated Mini-PCI Interrupt
9 In Mini-PCI Interrupt – See IRQ Map Section 2.3
10 In Mini-PCI Interrupt – See IRQ Map Section 2.3
11 In Mini-PCI Interrupt – See IRQ Map Section 2.3
12 In Unpopulated Compact Flash Interrupt
13 Out PCI Reset
14 Out Unpopulated Watchdog Timer Strobe
15 Out Expansion Bus Clock
Digital I/O Map

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2.5. Interface Connectors
The GW2348-4 interface connector pin assignments and signal descriptions are
included in the following sections. The connectors are listed in the table below
and the connector locations are shown in the following diagrams.
Connector Populated Function
J1 Yes Mini-PCI Socket Top Side
J2 Yes Mini-PCI Socket Bottom Side
J3 Yes Mini-PCI Socket Top Side
J4 Yes Mini-PCI Socket Bottom Side
J5 Yes Compact Flash Socket Bottom Side
J6 Yes COM2 Serial Port
J7 Yes JTAG Port
J8 Yes Digital I/O
J9 Yes 2.5mm Barrel Jack Power
J10 Yes Ethernet1
J11 Yes Ethernet2
J12 – Not Used
J13 Yes COM1 Serial Port
J14 Yes Fan Controller
J15 – Not Used
J16 No Auxiliary Power
J17 No Auxiliary Power
J18 No Optional Dual USB Host Connector
J19 No High Speed Serial Mezzanine
Connectors

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Power (J9)
Ethernet 1 (J10)
Ethernet 2 (J11)
USB Host (J18)
IXP Processor
Serial Port 2 (J6)
JTAG Port (J7)
GPIO Port (J8)
Serial Port 1 (J13)
Push Button Reset
User Status LED
Mini-PCI Socket (J3)
Mini-PCI Socket (J1)
Fan Control (J14) Mounting Holes
(
4 places
)
System Flash
System SDRAM
Top Side Component Locations

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Compact Flash (J5)
Mini-PCI (J2)
Mini-PCI (J4)
Bottom Side Component Locations
Mini-PCI Sockets (J1, J2, J3, J4)
There are four Mini-PCI sockets for expanding the peripheral support with high-
speed PCI devices. The GW2348-4 supports standard 3.3V Mini-PCI cards.
Support is not provided for audio, modem, and networking sideband signaling as
defined in the Mini-PCI specification. The GW2348-4 Mini-PCI connector
signaling is illustrated in the following table. The power supply provides a total of
18W of 3.3V power to the Mini-PCI sockets for supporting high power radios.

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Pin Signal Connect Pin Signal Connect Pin Signal Connect
1 TIP NC 44 AD26 AD26 87 AD7 AD7
2 RING NC 45 CBE3# CBE3# 88 VCC3 VCC3
3 LANRXP NC 46 AD24 AD24 89 VCC3 VCC3
4 LANTXP NC 47 AD23 AD23 90 AD6 AD6
5 LANRXN NC 48 IDSEL IDSEL 91 AD5 AD5
6 LANTXN NC 49 Ground Ground 92 AD4 AD4
7 LANRSV NC 50 Ground Ground 93 Reserved Reserved
8 LANRSV NC 51 AD21 AD21 94 AD2 AD2
9 LANRSV NC 52 AD22 AD22 95 AD3 AD3
10 LANRSV NC 53 AD19 AD19 96 AD0 AD0
11 LANGNP NC 54 AD20 AD20 97 VCC5 NC
12 LANRNN NC 55 Ground Ground 98 Reserved Reserved
13 LANYEP NC 56 PAR PAR 99 AD1 AD1
14 LANYEN NC 57 AD17 AD17 100 Reserved Reserved
15 CHSGND CHSGND 58 AD18 AD18 101 Ground Ground
16 Reserved Reserved 59 CBE2# CBE2# 102 Ground Ground
17 INTB# INTB# 60 AD16 AD16 103 ACSYNC NC
18 VCC5 NC 61 IRDY# IRDY# 104 M66EN NC
19 VCC3 VCC3 62 Ground Ground 105 ACDIN NC
20 INTA# INT# 63 VCC3 VCC3 106 ACDOUT NC
21 Reserved Reserved 64 FRAME# FRAME# 107 ACCLK NC
22 Reserved Reserved 65 CLKRUN# Pull Down 108 ACID0 NC
23 Ground Ground 66 TRDY# TRDY# 109 ACID1 NC
24 VCC3AX VCC3 67 SERR# SERR# 110 ACRST NC
25 CLK CLK 68 STOP# STOP# 111 AMON NC
26 RST# RST# 69 Ground Ground 112 Reserved Reserved
27 Ground Ground 70 VCC3 VCC3 113 AGND NC
28 VCC3 VCC3 71 PERR# PERR# 114 Ground Ground
29 REQ# REQ# 72 DEVSEL# DEVSEL# 115 AOUT NC
30 GNT# GNT# 73 CBE1# CBE1# 116 AIN NC
31 VCC3 VCC3 74 Ground Ground 117 AGND NC
32 Ground Ground 75 AD14 AD14 118 AINGND NC
33 AD31 AD31 76 AD15 AD15 119 AGND NC
34 PME# NC 77 Ground Ground 120 AGND NC
35 AD29 AD29 78 AD13 AD13 121 Reserved Reserved
36 RSVD RSVD 79 AD12 AD12 122 MPCIACT NC
37 Ground Ground 80 AD11 AD11 123 VCC5AX NC
38 AD30 AD30 81 AD10 AD10 124 VCC3AX VCC3
39 AD27 AD27 82 Ground Ground 125 CHSGND CHSGND
40 VCC3 VCC3 83 Ground Ground 126 CHSGND CHSGND
41 AD25 AD25 84 AD9 AD9 127 NC NC
42 AD28 AD28 85 AD8 AD8 128 NC NC
43 Reserved Reserved 86 CBE0# CBE0#
Mini-PCI Connector

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Compact Flash Socket (J5)
The pin assignment for the industry standard Compact Flash socket is shown
below. The Compact Flash is connected to the expansion bus on the IXP
processor. The GW2348-4 Compact Flash connector signaling is illustrated in the
following table. The Compact Flash interrupt is connected to general purpose I/O
12 (GPIO12) of the IXP processor.
Pin Signal Connect Pin Signal Connect
1 Ground Ground 26 CD1# No Connect
2 D3 EXP D3 27 D11 EXP D11
3 D4 EXP D4 28 D12 EXP D12
4 D5 EXP D5 29 D13 EXP D13
5 D6 EXP D6 30 D14 EXP D14
6 D7 EXP D7 31 D15 EXP D15
7 CS0# EXP CS1# 32 CS1# EXP CS2#
8 A10 EXP A10 33 VS1# No Connect
9 ATASEL# Ground 34 IORD# EXP RD#
10 A09 Ground 35 IOWR# EXP WR#
11 A08 Ground 36 WE# Pull Up
12 A07 Ground 37 INTRQ No Connect
13 VCC VCC 38 VCC VCC
14 A06 Ground 39 CSEL# Ground
15 A05 Ground 40 VS2# No Connect
16 A04 Ground 41 RESET# RESET#
17 A03 Ground 42 IORDY# No Connect
18 A02 EXP A2 43 INPACK# No Connect
19 A01 EXP A1 44 REG# Pull Up
20 A00 EXP A0 45 DASP# No Connect
21 D00 EXP D0 46 PDIAG# No Connect
22 D01 EXP D1 47 D08 EXP D8
23 D02 EXP D2 48 D09 EXP D9
24 IOCS16# No Connect 49 D10 EXP D10
25 CD2# No Connect 50 GND GND
Compact Flash Connector

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COM2 Serial Port Header (J6)
The COM2 serial port is available through a 10-pin header in a 2x5 configuration
with 0.1-inch pin spacing. The mating connector is an AMP/Tyco 746288-1,
available from Digi-Key as part number AKN10A-ND. The pin assignment
supports a ribbon cable connection to a standard 9-pin D-shell connector.
Pin Signal Pin Signal
1 No Connect 2 No Connect
3 Transmit Data 4 Clear To Send
5 Receive Data 6 Request To Send
7 No Connect 8 No Connect
9 Ground 10 No Connect
COM2 Serial Port Header
JTAG Port Header (J7)
The JTAG programming port is available through a 14-pin header in a 2x7
configuration with 0.1-inch pin spacing. The mating connector is an AMP/Tyco
746288-2, available from Digi-Key as part number AKN14A-ND. The primary
purpose for the JTAG Port is to facilitate program download into Flash memory.
This feature requires the GW16012 JTAG Programmer. The JTAG programming
port also includes a three-wire configuration of Serial Port 1. This feature requires
the GW16027 JTAG Serial Adapter to convert the 3.3V serial port signals to
standard RS232 levels.
Pin Signal Pin Signal
1 3.3V 2 COM1 RXD (3.3V)
3 JTAG RST 4 Ground
5 JTAG TDI 6 Ground
7 JTAG TMS 8 Ground
9 JTAG TCK 10 Ground
11 JTAG TDO 12 Board Reset
13 COM1 TXD (3.3V) 14 Ground
JTAG Port Header
Digital I/O Header (J8)
The digital I/O is available through a 10-pin header in a 2x5 configuration with
0.1-inch pin spacing. The mating connector is an AMP/Tyco 746288-1, available
from Digi-Key as part number AKN10A-ND. Note that GPIO3 is shared with the
status LED as described in Section 2, Digital I/O Mapping.

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Pin Signal Pin Signal
1 GPIO0 2 Ground
3 GPIO1 4 Ground
5 GPIO2 6 Ground
7 GPIO3 8 Ground
9 GPIO4 10 Ground
Digital I/O Header
Power Connector (J9)
Power is applied to the GW2348-4 through a standard 2.5mm x 5.5mm barrel
jack or through either Ethernet Connector. The input voltage range is 9VDC
minimum and 48VDC maximum. The power jack should have the positive input
voltage on the inner sleeve and ground on the outer sleeve. The mating
connector is a G/S SR2048A, available from Jameco as part number 190537CJ.
The schematic symbol representing this configuration is shown below.
Power Connector
Ethernet Connectors (J10, J11)
The GW2348-4 contains two 10/100 Base-TX Ethernet channels. Both Ethernet
channels are available through standard 8-pin RJ45 connectors. The ENET1
Ethernet connector supports passive power over Ethernet. This enables the
GW2348-4 operating voltage to be provided through the Ethernet connector
rather than the input power connector. The input voltage requirements are given
in Section 3, Specifications.
Pin Signal Standard Wire
Color
1 TX+ WHITE/ORANGE
2 TX- ORANGE
3 RX+ WHITE/GREEN
4 PoE + V BLUE
5 PoE +V WHITE/BLUE
6 RX- GREEN
7 GND WHITE/BROWN
8 GND BROWN
Ethernet Connector J10

Avila Network Computer Operating Manual
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Pin Signal Standard Wire
Color
1 TX+ WHITE/ORANGE
2 TX- ORANGE
3 RX+ WHITE/GREEN
4 No Connect
5 No Connect
6 RX- GREEN
7 No Connect
8 No Connect
Ethernet Connector J11
COM1 Serial Port Connector (J13)
The COM1 serial port connector is an industry standard female 9-pin D-shell
connector with the pin assignment given in the table below. The DCE pin
assignments permit a direct connection to a standard PC DTE port running
terminal emulation software. The mating connector for insulation displacement
ribbon cable is CW Industries CWR-280-09-000, available from Digi-Key as part
number CMM09G-ND.
Pin Number Signal
1 No Connect
2 Transmit Data
3 Receive Data
4 No Connect
5 Ground
6 No Connect
7 Clear To Send
8 Request To Send
9 No Connect
COM1 Serial Port Connector
Fan Controller (J14)
The fan is connected to a 2-pin MTA connector. The mating connector is an
AMP/Tyco 770602-02, available from Digi-Key as part number A19490-ND. This
connector requires separate contacts AMP/Tyco 770666-2, available from Digi-
Key as part number A23962-ND. Only 5V fans are supported. Suggested fans
are Orion’s OD4010-05x series available from Mouser Electronics
(www.mouser.com).
Pin Number Signal
1 Fan Power (5V @ .1A)
2 Ground - Speed Control
Fan Speed Control Connector