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CDS Wireless VN310 User Manual

Rf modem

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VN310 RF Modem
User Manual

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Summary of Contents for CDS Wireless VN310

  • Page 1 VN310 RF Modem User Manual...
  • Page 2 1. Purpose and audience ......................2 2. Pin-out and interface summary ....................2 3. Serial and SPI interfacing with VN310 .................. 4 4. VN310 Power Supply Considerations ..................6 4.1. Key Specifications ........................6 4.2. Electrical Characteristics ...................... 6 4.3. External Anetnna Specifications and Installation Requirements ........7 5.
  • Page 3 ISA100.11a communications stack. The small form factor enables the radio to be used in a variety of applications. The VN310-I and the VN310-H are identical from a hardware perspective and differ only by the pre-loaded factory firmware.
  • Page 4 10 seconds. Note, this time can be adjusted to optimize performance. Digital Attenuator Power Amplifier BALUN Network 24 MHz Crystal MATCHING Switch NETWORK MMCX MC13224 32768Hz RTC 512KB POWER CONTROL Flash memory 1.8v Regulator VIN_3V Figure 1. VN310 Functional Block Diagram Proprietary & Confidential...
  • Page 5 Figure 2 presents the physical location of the pins on the VN310, and Table 1 presents the VN310 pin descriptions. Note: For minimum battery consumption, all unused GPIOs should be left unconnected. UART2_RTS UART2_CTS UART2_RX UART2_TX UART2_RTS JTAG_RTCK RESET_B UART1_CTS...
  • Page 6 Type Comments UART1- UART1 Clear to Send Not Used Standard UART communication. Used for upgrading the firmware of the VN310. UART1- UART1 Receive Data TTL<-> RS232 level shifters should be employed when connecting to RS232 port. Standard UART communication. Used for upgrading the firmware of the VN220.
  • Page 7 Reserved for future functionality. At present this pin should be held HIGH. Supply Voltage See Note. Ground RESET RESET pin Reset pin of the VN310. LOW to reset and HIGH to run. JTAG- JTAG Return Clock Standard JTAG interface. RTCK JTAG-...
  • Page 8 The following figures indicate the correct UART and SPI pin connectivity between the VN310 and an external application processor. Figure 3. Interfacing with the VN310 using UART Based Communication (CLK) SPI-SCK SCLK MOSI (MOSI) SPI-MOSI MISO (MISO) SPI-MISO (SS) SPI-SS...
  • Page 9 Table 2. Key Specifications Parameter Units Comment Supply Voltage (3V regulated 2.94 3.06 supply) Voltage on any digital I/O -0.3 Vcc + .02 RF Output Level Output power at antenna connector Storage Temp Range (Max) ◦ Operating Temp Range ◦ (Max) Table 3.
  • Page 10 Input High-level Voltage (all digital inputs) Input hysteresis (all digital 0.06 inputs) Notes: 1) All RAM active, Reference oscillator on (24 MHz) at 1.2 VDC, Radio RX on (receiving data), Reference clock available to all peripherals, ADC1 available but inactive, CPU on at 2 MHz (DCD). 2) External 32 kHz crystal oscillator on, CPU off (stop mode), wake-up from RTI timer or external request, Radio off, ADCs not available.
  • Page 11 Antenna Installation requirements-The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. Figure 5. Shield Proprietary &...
  • Page 12 VN310 MECHANICAL DIMENSIONS Figure 6. Outline Drawing Proprietary & Confidential...
  • Page 13 Figure 7. Dimension Drawing Proprietary & Confidential...
  • Page 14 Figure 8. Recommended Footprint FCC Notice-This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 15 VN310 RF Module label is placed on the outside of the final product. The VN310 RF Module is labeled with its own FCC ID Number. If the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module.