The Sensor Network Museumtm - G-Nodes

G-Node

Manufacturer documentation: SOWNet G-Node

Ultra low power wireless sensor module based on a Texas Instruments MSP430F2418 microcontroller and Texas Instruments CC1101 packet radio.


Features

  • TI MSP430F2418 microcontroller at up to 12 MHz (16 MHz for rev 1.3 and later)
  • 8 KB SRAM (+ 8 KB external SRAM for rev 1.3 and later)
  • 116 KB flash program memory + 1 MB external flash storage
  • 0.8 kbps - 500 kbps TI CC1101 packet based wireless transceiver at 868 MHz
  • Temperature sensor and battery voltage readout integrated into microcontroller
  • Pushbutton on interrupt line
  • 3 leds for debugging or state checking
  • Ultra-low current consumption
  • Fast wakeup from sleep (<2usec)
  • Programming and interface via USB
  • 10-pin expansion port
  • 19x60 mm

Power Consumption - Typical Operation

 G-Node a
Power supply2xAAA cells or USB
Minimum Vin1.8 V (max 4 MHz)
uC sleep with timer on4uA@2.2V (9uW) or less in rev 1.3 and later b
uC active, radio off3.0mA@2.2V (6.6mW) uC at 8 MHz
uC active, radio idle listening/RX20mA@2.2V (44mW) uC at 8 MHz
uC active, radio TX 0dBm20mA@2.2V (44mW) uC at 8 MHz
uC active, radio TX +10dBm33mA@2.2V (73mW) uC at 8 MHz
Max. Power (uC active, radio TX, external flash write)45mA@2.5V (113mW) uC at 8 MHz
Max. Power (uC active, radio TX, external flash write)48mA@3.6V (173mW) uC at 16 MHz
a typical datasheet values as reported for the whole system when not plugged into USB
b wakeup from internal timer or external interrupt only