DC-ANT-E-24DP Digi International, DC-ANT-E-24DP Datasheet
DC-ANT-E-24DP
Specifications of DC-ANT-E-24DP
DC-ANT-E-23DP
DC-ANT-E-24DP
Related parts for DC-ANT-E-24DP
DC-ANT-E-24DP Summary of contents
Page 1
Digi Connect EM & Digi Connect Wi‐EM Hardware Reference 90000632_G TM TM ...
Page 2
...
Page 3
... Digi International Inc. 2006. All Rights Reserved. The Digi logo is a registered trademark of Digi International, Inc. Connectware and Digi Connect EM and Digi Connect Wi-EM are trademarks of Digi International, Inc. NetSilicon, NET+Works, NET+OS, and NET+ are trademarks of NetSilicon, Inc. All other trademarks mentioned in this document are the property of their respective owners. ...
Page 4
...
Page 5
Contents About This Guide ..................................................................................................................... 7 Scope of Reference Manual ............................................................................................. 7 Kits Contents .................................................................................................................... 7 Related Documentation .................................................................................................... 9 Support Information ......................................................................................................... 9 Chapter 1: About the Embedded Module.......................................................................... 11 Overview ........................................................................................................................ 11 Types of Modules........................................................................................................... 12 Connectors: Power ...
Page 6
... Embedded Module LEDs............................................................................................... 43 Embedded Module Reset ............................................................................................... 44 Flash ............................................................................................................................... 45 Appendix A: Specifications ................................................................................................. 47 Network Interfaces......................................................................................................... 47 Serial Interface ............................................................................................................... 48 Data Rates (bps) ............................................................................................................. 48 Flow Control Options..................................................................................................... 48 Environmental................................................................................................................ 48 DC Characteristics ......................................................................................................... 48 Mechanical .................................................................................................................... 50 Layouts and Dimensions................................................................................................ 51 Recommended PCB Layouts ......................................................................................... 63 Antenna Information ...................................................................................................... 68 RF Exposure Statement.................................................................................................. 74 Safety Statements........................................................................................................... 74 Appendix B: Certifications ................................................................................................. 77 FCC Part 15 Class B ...................................................................................................... 77 Industry Canada ...
Page 7
About This Guide • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • ...
Page 8
Complete development board with EIA-232 serial ports, signal status indicators, logic analyzer connectors, test points, and a self-contained GPIO test bed. Cables – DB-9 to DB-9 Crossover cable ...
Page 9
... See the NS 7520 Hardware Reference for information on the NS 7520 chip. Support Information To get help with a question or technical problem or make comments and recommendations about Digi products and documentation, use the following contact information. General Digi International 11001 Bren Road East Minnetonka, MN 55343 U.S.A. Customer Service and Support United States: 1 877-912-3444 Other Locations: 1 952-912-3444 www ...
Page 10
& ...
Page 11
About the Embedded Module Overview Digi Connect EM and Digi Connect Wi-EM Overview The embedded modules are part of the Digi Connect family of device servers that provide simple, reliable and cost-effective network connections for serial devices. ...
Page 12
... To ground yourself, put the wrist strap on (included in the package) and then attach the clip to a metal surface. Input voltage for the module is 3.3 VDC. Types of Modules The following describes the three types of Digi Connect EM and three types of Digi ...
Page 13
... Model DC-EM-02T-JT DC-EM-02T-NC DC-EM-02T-S DC-EM-02T-C Digi Connect Wi-EM Modules Model Description --- Used for development purposes only --- JTAG interface DC-WEM-02T-JT --- Pin headers LED functionality --- Dual RP-SMA Antenna Connector DC-EM-02T- Digi Connect EM Modules Description --- Used for development purposes only --- JTAG interface --- Pin headers for Ethernet and LED functionality ...
Page 14
... No JTAG interface --- LED array --- Dual RP-SMA Antenna Connector DC-WEM-02T-C --- DC-WEM-02T-S Ordered independently of either development or integration kit for use in your implementation. -S: No JTAG, w/ LED array, w/RJ-45/antenna connectors, for use with Digi Note Firmware -C: No JTAG, w/LED array, RJ-45 / antenna connectors, for use with Custom ...
Page 15
... Another option for both signal reception and design flexibility is to use an antenna extension cord (Digi part number DC-ANT-E-24DP) to separate the antenna from the module. This allows the module to fit inside your product but the antenna to be placed outside the device ...
Page 16
... Connect EM Pin Header Locations (Top view)" on page 20 & Power and Serial Interface Pin Assignments Signal Name VCC GND Reference Ground for input power RXD/GPIO-7 TXD/GPIO-6 DTR/GPIO-5 CTS/GPIO-2 DCD/GPIO-1/SPI_EN Port 1 DCD (input)/GPIO-1/SPI enable DSR/GPIO-3 /RST RXD/GPIO-9 TXD/GPIO-8 RJ-45 Ethernet Interface TXD- RXD+ (Transmit (Receive ...
Page 17
... A). The antenna only fits on the module one way to ensure a proper connection. Another option for both signal reception and design flexibility is to use an antenna extension cord (Digi part number DC-ANT-E-24DP) to separate the antenna from the module. This allows the module to fit inside your product but the antenna to be placed outside the device ...
Page 18
Reset Switch The behavior of the reset switch is determined by software, which means that it has a predefined behavior in the integration kit. In the development kit, its ...
Page 19
LED behavior can be determined by your implementation. See the following table for more information.. Pin Integration Kit LED Header Digi Connect EM EM Serial port activity: 1 (+) Top left Off - the serial channel is idle. (green) 3(-) ...
Page 20
Digi Connect EM Pin Header Locations (Top view) Ethernet pin header, P13 The pins in the Ethernet header are configured as shown: Pin Signal 1 Ethernet transmit + 2 Ethernet ...
Page 21
Digi Connect Wi-EM Pin Header Locations (Top view) LED pin header LED pins and pin header configuration are described in the "LED Behaviors" table on page 19 ...
Page 22
& ...
Page 23
About the Development Board Overview This chapter provides information on the development board, a hardware platform from which you can determine how to integrate the embedded module into your design. For additional information, see the schematic and ...
Page 24
Basic Description Serial port 2 Serial signaling LEDs GPIO/serial switch banks JTAG connector for debugger Status LEDs CR19 Main Digi Connect EM connector Ethernet ...
Page 25
... Serial port 1 and port 2 are DB-9 male connectors labeled P1 and P2. Use the following figure and table for pin orientation and pin assignment information. Serial Port Pin Orientation Signal Signal Port Pin 1 Pin 2 1 DCD RXD Not 2 RXD Connected Pin 1 Pin 5 Pin 6 Pin 9 ...
Page 26
Ethernet Port (P12) The Ethernet port of the Digi Connect EM embedded module (labeled P12 8-pin RJ-45 jack meeting the requirements of ISO 8877 for 10/100Base-T. When two descriptions are shown for a ...
Page 27
Connectors and Blocks The development board provides the following connectors and blocks: JTAG Debugger Connector (P4) SPI Connector (P11) and SPI Jumper Block Logic Signal Analyzer Header (P6) Main Connector (P8) JTAG Debugger Connector (P4) This 14-pin male vertical header ...
Page 28
JTAG Debugger Connector Pin Orientation JTAG Debugger Connector Pin Assignments Pin Pin Pin Pin Signal VCC+ GND ...
Page 29
Pin Pin 1 2 Signal SPI-EN GND SPI-CLK SPI Jumper Block The SPI jumper block determines whether the SPI connector is connected or not. If SPI is off (the default), serial and GPIO signals are routed to switch banks 1 ...
Page 30
... Logic Analyzer Header Pin Orientation & Pin 1 Pin 19 Logic Analyzer Header Pin Assignments Pin Signal Not connected 9 /RST 10 Not connected 11 DTR/GPIO-5 12 TXD-2/GPIO-8 13 CTS/GPIO-2 14 RXD-2/GPIO-9 15 DSR/GPIO-3 16 TXD-1/GPIO-6 17 RTS/GPIO-4/SPI_CLK 18 RXD-1/GPIO-7 19 DCD/GPIO-1/SPI_EN 20 GND Pin 2 Pin 20 ...
Page 31
... This 12-pin connector is used to interface with the embedded module. See the following figure for pin orientation. Main Connector Pin Orientation Power Jack (P17) The Power Jack is a barrel connector that accepts VDC +/- 5%. The jack is labeled P17. The following table shows the polarity of the power jack Pin 1 ...
Page 32
... This is a "hard" reset using the /RST pin on the main connector, not a "soft" reset. Note: The reset button on the embedded module performs a "soft" reset (see also "Main Connector (P8)" on page 31 & Ground +9 to +30 VDC ...
Page 33
... These switches control where the development board routes a signal. They do not Note: reconfigure the NS7520 processor. Software should be configured to track with switch settings. See "GPIO" on page 39 for more information GPIO Switch Banks 3 and 4 Settings Switch Switch Left Bank Number Position 1 DCD 2 CTS SW3 3 DSR 4 RTS 5 DTR 6 TXD-1 7 RXD-1 ...
Page 34
GPIO Switch Bank 1 (SW1) and 2 (SW2) GPIO Switch Bank 1 and Switch Bank 2, labeled SW1 and SW2, ...
Page 35
... LED Descriptions Board Description Label CR4 DTR CR5 TXD-1 CR6 RXD-1 CR7 RTS CR8 DCD CR9 DSR GPIO-1 through GPIO-9. CR10 -18 (CR10=GPIO-1, CR11=GPIO-2, etc. All can be used for input or output.) CR20 3.3V Indicator Color or State Indication Yellow Active Green Inactive Not connected or signal ...
Page 36
... TP3 RXD TP4 CTS TP5 DTR TP6 TXD TP7 RXD TP8 RTS TP9 DCD TP10 DSR Indication Ethernet power present from external powered Ethernet connector (Ethernet hub or switch) No powered Ethernet voltage Description TXD-2 RXD-2 CTS DTR TXD-1 RXD-1 RTS DCD DSR ...
Page 37
... GPIO-4 TP15 IO-5 GPIO-5 TP17 3.3V 3.3V Supply TP20 RESET Reset (active low) TP21 E+ Ethernet Power + TP22 E- Ethernet Power - TP23 V-IN 9-30 VDC Input TP24 GND Ground TP25 GND Ground TP26 IO-8 GPIO-8 TP27 IO-7 GPIO-7 TP28 IO-6 GPIO-6 TP29 IO-9 ...
Page 38
& ...
Page 39
Programming Considerations This chapter addresses the embedded modules programming considerations. This chapter applies only to development kit customers. Note GPIO General Information The NS7520 processor supports 16 general purpose I/O (GPIO) lines, some of which are reserved ...
Page 40
GPIO Registers Two registers, PORTA and PORTC, govern the 16 GPIO pins. Each is responsible for eight GPIO pins, and each pin has four bits that completely describe its behavior. The four bits that describe the ...
Page 41
GPIO Pin Use Name TXD/ GPIO-6 DTR/ GPIO-5 See the description RXD/ GPIO-7 GPIO Pin Use Register External Category Bit Interface Pin 4 on the PORTA7 Allocated main header Pin 6 on the PORTA6 Allocated main header PORTA5, Pin 5 ...
Page 42
... Used for the port 1 serial CTS signal but can be reassigned as GPIO input or output. If used with the development board, this pin maps to GPIO-2. Used for the port 1 serial DCD signal but can be reassigned as GPIO input or output. If used with the development board, this pin maps to GPIO-1. ...
Page 43
Name Green LED RXD2/ GPIO-9 Yellow LED Embedded Module LEDs General information The embedded module has two types of LEDs: LEDs connected directly to GPIO pins on the processor and controlled directly in software LEDs connected to other hardware components ...
Page 44
For information on LED control, see the NET+Works BSP Porting Guide. About Embedded Module LEDs Embedded Module LED Description LED Green ...
Page 45
Soft Reset NET+OS provides an internal facility to enact a soft reset, but it is the responsibility of a specific implementation to choose a reasonable trigger to invoke it. One choice is to use a GPIO pin as a signal ...
Page 46
& ...
Page 47
Specifications Network Interfaces Digi Connect Wi-EM Embedded Module Standard: IEEE 802.11b Data Rate Mbps with automatic fallback Frequency: 2.4 GHz Modulation: CCK (11/5 Mbps), DQPSK (2 Mbps), DBPSK (1 Mbps) Transmit power: 16 dBm ...
Page 48
... Flow Control Options RTS/CTS, XON/XOFF, None Environmental Ambient Temperature Storage Temperature Humidty Altitude DC Characteristics The following tables provide DC characteristics for operating conditions, inputs, and outputs & Digi Connect EM Digi Connect Wi- -40 ...
Page 49
Operating Conditions Symbol Description V Supply Voltage CC n/a Power Supply Ripple I Supply Current CC Input Current as “0” (57K pull-up) Input Current as “1” (57K pull-up) I HighZ Leakage Current OZ I Output Drive ...
Page 50
output in active state. When power rises above 2.93V, the reset remains for approximately 200 ms to allow the system clock and other circuits to stabilize. The rise time of ...
Page 51
Layouts and Dimensions The following dimensions and layouts are for both the Digi Connect Wi-EM and Digi Connect EM strongly recommended that you consider using the Digi Connect Wi-EM footprint for future flexibility. All dimensions are in inches. ...
Page 52
Digi Connect Wi-EM (w/LED Array) Top ...
Page 53
Front ...
Page 54
Bottom & ...
Page 55
Digi Connect Wi-EM (w/LED Pin Headers) Top ...
Page 56
Front & ...
Page 57
Bottom ...
Page 58
Digi Connect EM (w/RJ-45 and LED Array) Top .200 ...
Page 59
Front ...
Page 60
Bottom .405 1.835 .100 & ...
Page 61
Digi Connect EM (with Ethernet and LED Pin Headers) Top .100 1.835 .405 1.475 .739 1.575 Ø.125 TYP 1.935 6 1 ...
Page 62
Front & ...
Page 63
Bottom .100 TYP .100 .710 Recommended PCB Layouts The following graphics are the recommended PCB layouts for the Digi Connect Wi-EM and Digi Connect EM (both populated and unpopulated versions recommended that you use the Digi Connect Wi-EM ...
Page 64
Digi Connect Wi-EM (w/LED Array ...
Page 65
Digi Connect Wi-EM (w/LED Pin Headers Pin ...
Page 66
Digi Connect EM (w/RJ-45 and LED Array) .100 1.935 ...
Page 67
Digi Connect EM (with Ethernet and LED Pin Headers) RECOMMENDED PCB LAYOUT TOL. ±.005 1.935 .710 Ø.028 MIN (IF POPULATED) .100 TYP Pin 1 .4615 .100 .1805 .0315 TYP .445 .955 ...
Page 68
Antenna Information Antenna Strength The following diagram demonstrates the strength of the signal received by the antenna on both a horizontal and ...
Page 69
Radiation Patterns for PCB Mount Antenna ...
Page 70
... Digi Connect Wi-EM & Dipole Desktop 2.4~2.5GHz 2W 1W 2dBi 1.8dBi < 2.0 1.92 max. 108 10.0 mm 105 mm x 4.5 mm 10.5g 11g RP-SMA DC-ANT-24DP DC-ANT-24DT *PCB Mount 2.4~2.5 GHz 4.9~5.9GHz 10W >2dBi < 2.5 24.13 x 10.67 mm < 1g U.FL DC-ANT-24SM ...
Page 71
Dipole Antenna Dimensions ...
Page 72
Desktop Antenna Dimensions & ...
Page 73
PCB Mount Antenna Dimensions ...
Page 74
Exposure Statement The Digi Connect Wi-EM module complies with the RF exposure limits for humans as called out in RSS-102. ...
Page 75
Do not touch uninsulated ethernet wiring if lightning is likely! Do not touch or move the antenna(s) while the unit is transmitting or receiving. Do not hold any component containing a radio such that the antenna is very close to ...
Page 76
& ...
Page 77
Certifications These products comply with the following standards. FCC Part 15 Class B Radio Frequency Interference (RFI)(FCC 15.105) The Digi Connect EM and Digi Connect Wi-EM embedded modules have been tested and found to comply with the ...
Page 78
Labeling Requirements (FCC 15.19) This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: (1) this device may not ...
Page 79
... Computers and Peripherals The products listed above have been tested at an External Test Laboratory certified per FCC rules and has been found to meet the FCC, Part 15, Class B, Emission Limits. Documentation is on file and available from the Digi International Homologation Department. Digi International ...
Page 80
International EMC Standards The Digi Connect EM and Digi Connect Wi-EM meet the following standards: ...
Page 81
Sample Application: TTL Signals to EIA-232 The following schematic is an example of how to convert the module’s TTL signals to EIA-232 ...
Page 82
& CONNECTOR DB9 ...
Page 83
Change Log The following changes have been made since the last revision of this document. Revision G Added tolerances to dimension drawings Updated Tyco Antenna Specifications Revision F Ethernet Pinouts added Updated Antenna specification Addressed Vantive 16410 ...
Page 84
Improve dipole antenna drawing Reformatted tables for easier reading Added antenna extension cord information Added more receive sensitivity information Added reset hold times Added VCC *absolute max* ratings Added power rise ...
Page 85
...
Page 86
...