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Rabbit RabbitCore RCM5400W User Manual Download Page 2

RabbitCore RCM5400W

Rabbit Semiconductor Inc.

www.rabbit.com

RabbitCore RCM5400W OEM User’s Manual

Part Number 019-0169 • 080630–A • Printed in U.S.A.

©2008 Digi International Inc. • All rights reserved.

Digi International reserves the right to make changes and

improvements to its products without providing notice.

Trademarks

Rabbit, RabbitCore, and Dynamic C are registered trademarks of Digi International Inc.

Wi-Fi is a registered trademark of the Wi-Fi Alliance.

Rabbit 5000 is a trademark of Digi International Inc.

No part of the contents of this manual may be reproduced or transmitted in any form or by any means
without the express written permission of Digi International.

Permission is granted to make one or more copies as long as the copyright page contained therein is
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The latest revision of this manual is available on the Rabbit Web site,

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for free, unregistered download.

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Summary of Contents for RabbitCore RCM5400W

Page 1: ...RabbitCore RCM5400W C Programmable Wi Fi Core Module OEM User s Manual 019 0169 080630 A...

Page 2: ...registered trademark of the Wi Fi Alliance Rabbit 5000 is a trademark of Digi International Inc No part of the contents of this manual may be reproduced or transmitted in any form or by any means wit...

Page 3: ...Step 4 Connect Programming Cable 13 2 2 5 Step 5 Connect Power 14 2 3 Run a Sample Program 15 2 3 1 Troubleshooting 16 2 4 Where Do I Go From Here 17 2 4 1 Technical Support 17 Chapter 3 Running Samp...

Page 4: ...ou Will Need 59 6 2 3 Configuration Information 60 6 2 3 1 Network Wi Fi Configuration 60 6 2 3 2 PC Laptop PDA Configuration 61 6 2 4 Wi Fi Sample Programs 63 6 2 4 1 Wi Fi Operating Region Configura...

Page 5: ...B 4 3 Analog Features 100 B 4 4 Serial Communication 100 B 4 4 1 RS 232 100 B 5 Prototyping Board Jumper Configurations 102 Appendix C Power Supply 105 C 1 Power Supplies 105 C 1 1 Battery Backup 105...

Page 6: ...RabbitCore RCM5400W...

Page 7: ...omplete Dynamic C software development system This Devel opment Kit also contains a Prototyping Board that will allow you to evaluate the RCM5400W RabbitCore modules and to prototype circuits that int...

Page 8: ...ore module for Japan It is functionally identical to the standard RCM5400W module and uses the same compo nents but has been assembled to meet the Japan regulatory requirements Be sure to order the co...

Page 9: ...ime to market using a fully engineered ready to run ready to program micro processor core module Competitive pricing when compared with the alternative of purchasing and assembling individual componen...

Page 10: ...10 pin header to DB9 serial cable Dynamic C CD ROM with complete product documentation on disk Getting Started instructions Plastic and metal standoffs with 4 40 screws and washers A bag of accessory...

Page 11: ...pport included at no extra charge a one year telephone based technical support subscription is also available for purchase Visit our Web site at www rabbit com for further information and complete doc...

Page 12: ...the FCC ID can not be used on the final product In these circum stances the systems integrator or end user will be responsible for re evaluating the end device including the transmitter and obtaining...

Page 13: ...ng the RCM5400W RabbitCore module 1 4 2 Industry Canada Labeling FCC ID VCB E59C4472 This device complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 this device m...

Page 14: ...ing in the same or adjacent bands Regulatory Marking The equipment shall be marked where applicable in accordance with CEPT ERC Recom mendation 70 03 or Directive 1999 5 EC whichever is applicable Whe...

Page 15: ...ROM The installation program will guide you through the installation process Most steps of the process are self explanatory Dynamic C uses a COM serial port to communicate with the target development...

Page 16: ...ons Remember to use ESD protection regardless of whether you are working with the RCM5400W module on the Prototyping Board or in your own OEM application D 1 R 1 PWR DS1 GND J1 U1 C1 GND C2 JP 1 C 3 D...

Page 17: ...5 C104 C139 C144 L22 C120 U21 C117 L21 C116 L20 C112 R19 C102 C111 U18 C106 C114 T1 C134 L19 C103 C107 4 3 2 U20 R37 R33 C137 C138 R79 R80 DS1 DS2 LINK ACT JP6 R32 C51 C49 C52 C54 C55 C39 C40 C43 C44...

Page 18: ...IOWR VBAT EXT PA1 PA3 PA5 PA7 PB1 PB3 PB5 PB7 PC1 PC3 PC5 PC7 PE1 PE3 PE5 PE7 PD1 LN1 PD3 LN3 PD5 LN5 PD7 LN7 VREF GND IORD RST_IN PA0 PA2 PA4 PA6 PB0 PB2 PB4 PB6 PC0 PC2 PC4 PC6 PE0 PE2 PE4 PE6 PD0 L...

Page 19: ...RST_OUT IOWR VBAT EXT PA1 PA3 PA5 PA7 PB1 PB3 PB5 PB7 PC1 PC3 PC5 PC7 PE1 PE3 PE5 PE7 PD1 LN1 PD3 LN3 PD5 LN5 PD7 LN7 VREF GND IORD RST_IN PA0 PA2 PA4 PA6 PB0 PB2 PB4 PB6 PC0 PC2 PC4 PC6 PE0 PE2 PE4...

Page 20: ...il it clicks into place Connect the AC adapter to 3 pin header J1 on the Prototyping Board as shown in Figure 5 above The connector may be attached either way as long as it is not offset to one side t...

Page 21: ...n Dynamic C select Options Project Options then select this COM port on the Communications tab then click OK You may type the COM port number followed by Enter on your computer keyboard if the COM por...

Page 22: ...s on the Prototyping Board If Dynamic C appears to compile the BIOS successfully but you then receive a communi cation error message when you compile and load a sample program it is possible that your...

Page 23: ...otyping Board For advanced development topics refer to the Dynamic C User s Manual also in the online documentation set 2 4 1 Technical Support NOTE If you purchased your RCM5400W or RCM5450W through...

Page 24: ...18 RabbitCore RCM5400W...

Page 25: ...programs assume that you have at least an elementary grasp of the C language If you do not see the introductory pages of the Dynamic C User s Manual for a suggested reading list In order to run the s...

Page 26: ...n the Dynamic C STDIO window Press 2 or 3 on your keyboard to select LED DS2 or DS3 on the Prototyping Board Then follow the prompt in the Dynamic C STDIO window to turn the LED ON or OFF A logic low...

Page 27: ...n continuously Notice that the LEDs will stay on even when you press the reset button on the Prototyping Board Reconnect the programming cable briefly and unplug it again to simulate an attempt to acc...

Page 28: ...onnection on the Advanced tab which is accessed from the control panel Start Settings Control Panel by choosing Network Connections SFLASH_INSPECT C This program is a handy utility for inspecting the...

Page 29: ...repeatedly sending byte values 0 127 from Serial Port C to Serial Port D The program will switch between generating parity or not on Serial Port C Serial Port D will always be checking parity so pari...

Page 30: ...o RxD If you have two Prototyping Boards with modules run this sample program on the sending board then disconnect the programming cable and reset the sending board so that the module is operating in...

Page 31: ...application you will need to set the real time clock Use the SETRTCKB C sample program from the Dynamic C SAMPLES RTCLOCK folder and follow the onscreen prompts The RTC_TEST C sample program in the D...

Page 32: ...26 RabbitCore RCM5400W...

Page 33: ...s the Rabbit based subsystems designed into the RCM5400W Figure 6 RCM5400W Subsystems The 73 73 MHz frequency shown for the RCM5400W is generated using a 36 864 MHz crystal with the Rabbit 5000 clock...

Page 34: ...27 mm pitch Note These pinouts are as seen on the Bottom Side of the module VIN RESET_OUT IOWR VBAT_EXT PA1 PA3 PA5 PA7 PB1 CLKA PB3 PB5 PB7 PC1 PC3 PC5 RXB PC7 RXA PE1 PE3 PE5 SMODE0 PE7 STATUS PD1...

Page 35: ...can be reconfigured Table 2 lists the Rabbit 5000 factory defaults and the alternate configurations RABBIT 5000 Port A Port B Port D Port E PA0 PA7 PB0 PB2 PB7 PE0 PE7 PD0 PD7 RESET_OUT IORD IOWR Watc...

Page 36: ...r 7 VBAT_EXT Battery input 8 15 PA 0 7 Input Output Slave port data bus SD7 SD0 External I O data bus ID7 ID0 16 PB0 Input Output SCLKB External I O Address IA6 SCLKB shared with serial flash 17 PB1 I...

Page 37: ...3 Timer C3 SCLKD Input Capture 28 PC4 Input Output TXB I O Strobe I4 PWM0 TCLKE Serial Port B shared with serial flash 29 PC5 Input Output RXB TXB I O Strobe I5 PWM1 RCLKE Input Capture 30 PC6 Input O...

Page 38: ...ure 36 PE4 Input Output I O Strobe I4 A0 INT0 PWM0 TCLKE 37 PE5 SMODE0 Input Output I O Strobe I5 INT1 PWM1 RXB RCLKE Input Capture PE5 is the default configuration 38 PE6 SMODE1 Input Output I O Stro...

Page 39: ...42 PD2 Input Output I O Strobe I2 Timer C2 D10 DREQ0 TXF SCLKC QRD2B Serial Port F 43 PD3 Input Output IA7 I O Strobe I3 Timer C3 D11 DREQ1 RXC RXF QRD2A Input Capture 44 PD4 Input Output I O Strobe I...

Page 40: ...t I O Strobe I6 D14 PWM2 TXA TXE Serial Port E 47 PD7 Input Output IA7 I O Strobe I7 D15 PWM3 RXA RXE Input Capture 48 Not Connected 49 Not Connected 50 GND Table 2 RCM5400W Pinout Configurations cont...

Page 41: ...dd the following line at the beginning of your program define PORTA_AUX_IO required to enable auxiliary I O bus Selected pins on Parallel Ports D and E as specified in Table 2 may be used for input ca...

Page 42: ...chronous or as a clocked serial port once application development has been completed and the RCM5400W is operating in the Run Mode Serial Port B is shared with the serial flash and is set up as a clo...

Page 43: ...otherboard or use a receiver that incorporates the circuits to have the output default to the nonbreak levels The Dynamic C RS232 LIB library requires you to define the macro RS232_ NOCHARASSYINBRK to...

Page 44: ...programming port may also be used as a serial port via the DIAG connector on the programming cable In addition to Serial Port A the Rabbit 5000 startup mode SMODE0 SMODE1 STATUS and reset pins are ava...

Page 45: ...band It is configured and controlled by the Rabbit 5000 via a 3 wire serial data bus The AL2236 contains the entire receiver trans mitter VCO PLL and power amplifier necessary to implement an 802 11b...

Page 46: ...irements Table 5 pro vides additional information on which channels are allowed in selected countries Any attempt to operate a device outside the allowed channel range or power limits will void your r...

Page 47: ...onnector on P2 is an RP SMA connector with its outer casing attached to the RCM5400W ground It is recommended that the OEM integrator of this device improve ESD protection by attaching P2 to chassis g...

Page 48: ...5 CX25 RX75 RX73 CX27 DS3 S3 S2 DS2 J3 UX49 UX4 UX47 5 V GND 3 3 V RCM1 U2 RST_OUT IOWR VBAT EXT PA1 PA3 PA5 PA7 PB1 PB3 PB5 PB7 PC1 PC3 PC5 PC7 PE1 PE3 PE5 PE7 PD1 LN1 PD3 LN3 PD5 LN5 PD7 LN7 VREF GN...

Page 49: ...onnector and reset the RCM5400W The RCM5400W may be reset by cycling the power off on or by pressing the RESET button on the Prototyping Board The RCM5400W module may now be removed from the Prototypi...

Page 50: ...be changed through a simple configuration macro as shown below NOTE Refer to the Rabbit 5000 Microprocessor User s Manual for more information on the spectrum spreading setting and the maximum clock s...

Page 51: ...of the flash memory since it may be necessary to change the sector size in the future Writing to arbitrary flash memory addresses at run time is strongly discouraged Instead define a user block area t...

Page 52: ...46 RabbitCore RCM5400W...

Page 53: ...mpiler menu The advantage of working in RAM is to save wear on the flash memory which is limited to about 100 000 write cycles The disadvantage is that the code and data might not both fit in RAM NOTE...

Page 54: ...ard debugging features X Breakpoints Set breakpoints that can disable interrupts X Single stepping Step into or over functions at a source or machine code level C OS II aware X Code disassembly The di...

Page 55: ...bit by transmission gaps or with user defined special characters Both libraries provide blocking functions which do not return until they are finished transmitting or receiving and nonblocking functio...

Page 56: ...made active only when the update is 100 complete This assures the integrity of the data in case a reset or a power failure occurs during the update process At power on the application program uses the...

Page 57: ...ices based on Rabbit microprocessors are described in the Dynamic C Function Reference Manual 5 2 6 1 Board Initialization brdInit void brdInit void DESCRIPTION Call this function at the beginning of...

Page 58: ...of the timeout in seconds RETURN VALUE None digInAlert void digInAlert int dataport int portbit int value unsigned long timeout DESCRIPTION Polls a digital input for a set value or until a timeout occ...

Page 59: ...the popular C OS II real time operating system point to point protocol PPP FAT file system RabbitWeb and other select libraries Rabbit also offers for purchase the Rabbit Embedded Security Pack featur...

Page 60: ...54 RabbitCore RCM4400W...

Page 61: ...BSS called an infrastructure mode or an unmanaged mode IBSS called the ad hoc mode The 802 11 standard describes the details of how devices access each other in either of these modes 6 1 1 Infrastruct...

Page 62: ...d Hoc Mode In the ad hoc mode each device can set a channel number and an SSID to communicate with If devices are operating on the same channel and SSID they can talk with each other much like they wo...

Page 63: ...connect the programming header on the module to your PC 4 Power must be applied to the module through the Prototyping Board Refer to Chapter 2 Getting Started if you need further information on these...

Page 64: ...R29 JP11 JP1 5 JP1 9 JP2 1 JP22 JP20 JP17 JP1 3 R19 R9 RX57 RX55 RX97 RX49 UX3 3 UX3 1 RX8 9 UX3 UX3 7 UX4 2 UX4 1 RX6 3 RX6 5 RX6 1 RX59 R26 R25 Q1 C15 C19 C20 U3 C18 C17 JP16 JP6 JP5 JP12 JP4 JP3 J...

Page 65: ...l need a PC with an available USB port to program the RCM5400W module You will need either an access point for an existing Wi Fi network that you are allowed to access and have a PC or note book conne...

Page 66: ...thernet settings only if that is necessary to run the sample programs you will likely need to change some of the Wi Fi settings Network Parameters These lines contain the IP address netmask nameserver...

Page 67: ...i setups shown in Figure 11 Start by going to the control panel Start Settings Control Panel and click on Network Connections The screen shots shown here are from Windows 2000 and the interface is sim...

Page 68: ...net connection by clicking on Network Connections then on Local Area Connection Now click on Wireless Network Connection to select the wireless network you will be connecting to Once a sample program...

Page 69: ...s the only approved option for RCM5400W modules in Japan 2 Country or region is set via the 802 11d feature of the access point This option uses beacons from an access point to configure the RCM5400W...

Page 70: ...ule Rabbit recommends that you check the regulations for the country where your system incorporating the RCM5400W will be deployed for any other requirements Before you compile and run this sample pro...

Page 71: ...e not pinging from the local subnet Now press F9 to compile and run the sample program When prompted in the Dynamic C STDIO window type s for static configuration or d for DHCP WIFIMULTIPLEAPS C demon...

Page 72: ...twork This sample program uses some predefined macros The first macro specifies the default TCP IP configuration from the Dynamic C LIB Rabbit4000 TCPIP TCP_ CONFIG LIB library define TCPCONFIG 1 Use...

Page 73: ...t IFS_ WIFI_SSID to the SSID of your access point as a C style string for example or use an empty string to associate with the strongest BSS available Alternatively you may create your own CUSTOM_CONF...

Page 74: ...P IP settings you entered in the in the Defines tab in the Dynamic C Options Project Options menu PASSPHRASE C This program demonstrates how to perform the CPU intensive process of converting an ASCII...

Page 75: ...point SSID and set the passphrase define WIFI_USE_WPA Bring in WPA support define IFC_WIFI_ENCRYPTION IFPARAM_WIFI_ENCR_TKIP Define cypher suite define IFC_WIFI_SSID parvati define IFC_WIFI_WPA_PSK_PA...

Page 76: ...of the sample program by about 30 seconds Now change PING_WHO to the address of the host you want to ping You may modify the PING_DELAY define to change the amount of time in milliseconds between the...

Page 77: ...ere are two TCPCONFIG macros specifically set up for Wi Fi applications with the RCM5400W module TCPCONFIG 0 is not supported for Wi Fi applications These default IP address netmask nameserver and gat...

Page 78: ...isable enable encryption IFC_WIFI_ENCRYPTION indicates whether or not encryp tion is enabled The default encryption disabled is shown below define IFC_WIFI_ENCRYPTION IFPARAM_WIFI_ENCR_NONE The follow...

Page 79: ..._PSK_PASSPHRASE now is the time If possible you should use IFC_WIFI_WPA_PSK_HEXSTR instead of IFC_WIFI_ WPA_PSK_PASSPHRASE to set the key Set WPA hexadecimal key IFC_WIFI_WPA_PSK_HEXSTR is a string of...

Page 80: ...reshold IFC_WIFI_RTS_THRESHOLD sets the RTS threshold the frame size at which the RTS CTS mechanism is used This is sometimes useful on busy or noisy networks Its range is 0 to 2347 The default 2347 m...

Page 81: ...G macros Otherwise the Wi Fi interface is neither up nor down and must be brought up explicitly by calling either ifup IF_WIFI0 or ifconfig IF_WIFI0 You must bring the interface down when you configur...

Page 82: ...ynamic C Help menu to get further assistance with Dynamic C Check the Rabbit Technical Bulletin Board and forums at www rabbit com support bb and at www rabbit com forums Use the Technical Support e m...

Page 83: ...OEM User s Manual 77 APPENDIX A RCM5400W SPECIFICATIONS Appendix A provides the specifications for the RCM5400W...

Page 84: ...CT JP6 R32 C51 C49 C52 C54 C55 C39 C40 C43 C44 C46 C47 C53 C57 C64 C16 1 2 3 Y3 U9 C19 R18 Y2 C21 R20 R21 C30 U1 C29 C58 R11 R25 R24 C56 R22 R17 R23 R16 U10 R13 C18 Q1 C14 C4 C3 C28 C31 C45 C41 C42 C3...

Page 85: ...hese vicinities in order to realize the maximum range The RCM5400W modules were tested for heat dissipation over the specified operating temperature range and normal heat dissipation by convection was...

Page 86: ...igh speed CMOS compatible ports all 6 configurable as asynchronous with IrDA 4 as clocked serial SPI and 2 as SDLC HDLC 1 asynchronous clocked serial port shared with program ming port 1 clocked seria...

Page 87: ...ondensing Connectors One RP SMA antenna connector One 2 25 1 27 mm pitch IDC signal header One 2 5 1 27 mm pitch IDC programming header Board Size 1 84 2 85 0 55 47 mm 72 mm 14 mm Wi Fi Region 802 11b...

Page 88: ...ole antenna whose dimensions are shown in Figure A 3 Figure A 3 RCM5400W Development Kit Dipole Antenna NOTE All measurements are in inches followed by millimeters enclosed in parentheses All dimensio...

Page 89: ...in spacing Figure A 4 shows the layout of another board for the RCM5400W to be plugged into These reference design values are relative to one of the mounting holes Figure A 4 User Board Footprint for...

Page 90: ...IO 3 0 V to 3 6 V Table A 2 Rabbit 5000 Absolute Maximum Ratings Symbol Parameter Maximum Rating VIH Maximum Input Voltage VDDIO 0 3 V max 3 6 V VDDIO Maximum Operating Voltage 3 6 V Table A 3 3 3 Vol...

Page 91: ...an interface to the RCM5400W This section provides bus loading information for external devices Table A 4 lists the capacitance for the various RCM5400W I O ports Table A 5 lists the external capacit...

Page 92: ...NOTE IOCSx can be programmed to be active low default or active high Tadr Tadr External I O Read no extra wait states CLK A 15 0 External I O Write no extra wait states CLK A 15 0 IORD valid T1 Tw T1...

Page 93: ...lock doubler every other clock cycle is shortened sometimes lengthened by a maximum amount given in the table above The shortening takes place by shortening the high part of the clock If the doubler i...

Page 94: ...ption Pins Connected Factory Default JP1 PE6 or SMODE1 Output on J1 pin 38 1 2 PE6 2 3 SMODE1 JP2 PE5 or SMODE0 Output on J1 pin 37 1 2 PE5 2 3 SMODE0 JP3 PE7 or STATUS Output on J1 pin 39 1 2 PE7 2 3...

Page 95: ...sh memory size 1 2 1MB 2 3 1MB JP6 Wi Fi power supply control 1 2 Control disabled Wi Fi power supply is always on 2 3 Control enabled so that the Wi Fi power supply is under microprocessor control Ta...

Page 96: ...90 RabbitCore RCM5400W...

Page 97: ...g Board and explains the use of the Prototyping Board to demonstrate the RCM5400W and to build prototypes of your own circuits The Prototyping Board has power supply connec tions and also provides som...

Page 98: ...X67 UX45 RX85 GND GND GND 1 R24 R22 R21 R23 CX23 RX77 1 R27 R28 JP25 CX25 RX75 RX73 CX27 DS3 S3 S2 DS2 J3 UX49 UX4 UX47 5 V GND 3 3 V RCM1 U2 RST_OUT IOWR VBAT EXT PA1 PA3 PA5 PA7 PB1 PB3 PB5 PB7 PC1...

Page 99: ...switch is connected directly to the RCM5400W s RESET_IN pin Pressing the switch forces a hardware reset of the system I O Switches and LEDs Two momentary contact normally open switches are con nected...

Page 100: ...pin 0 1 pitch header strip installed at J4 allows you to connect a ribbon cable that leads to a standard DE 9 serial connector Current Measurement Option You may cut the trace below header JP1 on the...

Page 101: ...9 UX4 UX47 5 V GND 3 3 V RCM1 U2 RST_OUT IOWR VBAT EXT PA1 PA3 PA5 PA7 PB1 PB3 PB5 PB7 PC1 PC3 PC5 PC7 PE1 PE3 PE5 PE7 PD1 LN1 PD3 LN3 PD5 LN5 PD7 LN7 VREF GND IORD RST_IN PA0 PA2 PA4 PA6 PB0 PB2 PB4...

Page 102: ...way from the RCM5400W as possible to minimize RF noise and use low noise components such as a toroid coil Table B 1 Prototyping Board Specifications Parameter Specification Board Size 3 80 3 80 0 48 9...

Page 103: ...unstuffed a 2 25 header is included in the bag of parts RS 232 signals Serial Ports C and D are available on header J4 A header strip at J4 allows you to connect a ribbon cable and a ribbon cable to D...

Page 104: ...ay be installed Small holes are provided around the surface mounted components that may be installed around the prototyping area Table B 2 Use of RCM5400W Signals on the Prototyping Board Pin Pin Name...

Page 105: ...e current you will have to cut the trace on the bottom side of the Prototyping Board corresponding to the power supply or power supplies whose current draw you will be measuring Header loca tions JP1...

Page 106: ...parallel ports B 4 4 1 RS 232 RS 232 serial communication on header J4 on both Prototyping Boards is supported by an RS 232 transceiver installed at U3 This transceiver provides the voltage output sl...

Page 107: ...mber for the RTS line SERA_CTS_PORT Data register for the parallel port that the CTS line is on e g PCDRShadow SERA_CTS_BIT The bit number for the CTS line Standard 3 wire RS 232 communication using S...

Page 108: ...umpers or 0 surface mount resistors Table B 4 RCM5400W Prototyping Board Jumper Configurations Header Description Pins Connected Factory Default JP1 5 V Current Measurement 1 2 Via trace or jumper Con...

Page 109: ...Connected PB2 to LED DS2 n c PB2 available on header J2 JP13 LN1 buffer filter to RCM5400W 1 2 Connected JP14 PB3 LED DS3 1 2 Connected PB3 to LED DS3 n c PB3 available on header J2 JP15 LN2 buffer f...

Page 110: ...tors JP20 LN5 buffer filter to RCM5400W 1 2 Connected JP21 LN6 buffer filter to RCM5400W 1 2 Connected JP22 LN7 buffer filter to RCM5400W 1 2 Connected JP23 LN4_IN LN6_IN 1 2 Tied to analog ground 2 3...

Page 111: ...is transmitting or receiving C 1 1 Battery Backup The RCM5400W does not have a battery but there is provision for a customer supplied battery to back up the data SRAM and keep the internal Rabbit 5000...

Page 112: ...r off on any time the RCM5400W is removed from the Prototyping Board or motherboard since that is where the backup battery would be located Rabbit s Technical Note TN235 External 32 768 kHz Oscillator...

Page 113: ...et output pin 3 on header J1 C 1 4 Onboard Power Supplies The 3 3 V supplied to the RCM5400W via header J1 powers most of the onboard circuits In addition there is a 1 8 V DC linear regulator that pro...

Page 114: ...108 RabbitCore RCM4400W...

Page 115: ...ted variables 50 Rabbit Embedded Security Pack 5 53 regulatory compliance 5 sample programs 20 standard features debugging 48 telephone based technical support 5 53 upgrades and patches 53 E exclusion...

Page 116: ...rum spreader time delays 87 Rabbit subsystems 29 RCM5400W mounting on Prototyping Board 12 real time clock battery backup 106 Run Mode 42 switching modes 42 S sample programs 20 getting to know the RC...

Page 117: ...digital I O buffer sourcing and sinking limits 85 exclusion zone 79 header footprint 83 Prototyping Board 96 Rabbit 5000 DC characteris tics 84 Rabbit 5000 timing diagram 86 RCM5400W 77 antenna 82 di...

Page 118: ...112 RabbitCore RCM4400W...

Page 119: ...n schemat 090 0266 pdf 090 0230 Prototyping Board Schematic www rabbit com documentation schemat 090 0230 pdf 090 0252 USB Programming Cable Schematic www rabbit com documentation schemat 090 0252 pdf...

Page 120: ......

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