SLAU292G November 2009 – July 2015
The core technology behind the eZ430-Chronos wrist module is the CC430F6137 microcontroller with its integrated <1-GHz radio. The CC430 also controls the LCD and its temperature sensor is used for temperature measurement. The only other ICs on the Chronos module PCB are pressure and acceleration sensors and the LCD backlight driver.
The PCB does not include an antenna; the metal frame of the Chronos module that surrounds the LCD is used as antenna. The antenna is tuned for best performance when the Chronos module is worn or held in hands.
Mode | Average Current | Battery Life |
---|---|---|
Shelf mode (LPM4) | 2.7 µA | 92.6 months |
Welcome screen (LPM3) | 8.9 µA | 28.0 months |
Time and date | 9.0 µA | 27.7 months |
Continuous temperature measurement | 10.0 µA | 25.0 months |
Continuous altitude measurement | 18.0 µA | 13.8 months |
Continuous acceleration measurement | 166.0 µA | 1.5 months |
Continuous BlueRobin RX | 40.0 µA | 6.2 months |
Continuous SimpliciTI PPT (no button pressed) | 10.0 µA | 25.0 months |
Continuous SimpliciTI SYNC | 0.9 mA | 8 days |
Continuous SimpliciTI ACC | 3.7 mA | 2 days |
1 hour per day BlueRobin RX | 10.3 µA | 24.2 months |
1 hour per day SimpliciTI PPT (no button pressed) | 9.1 µA | 25.4 months |
1 hour per day SimpliciTI SYNC | 46.1 µA | 5.4 months |
1 hour per day SimpliciTI ACC | 169.9 µA | 1.4 months |