dresden elektronik ingenieurtechnik gmbh MEGA22M00 사용자 설명서
User Manual
Version 1.1c
2013-07-01
Version 1.1c
2013-07-01
OEM
radio modules deRFmega
www.dresden-elektronik.de
Page 41 of 52
9. Clock
The radio module contains an onboard 32.768 kHz 20 ppm quartz crystal for the MCU and a
16.000 MHz 10 ppm quartz crystal for the internal transceiver. For optimum RF timing
characteristics it is necessary to use a low tolerance crystal. The watch crystal clocks a timer,
not the processor. The timer is intended to wake-up the processor periodically.
16.000 MHz 10 ppm quartz crystal for the internal transceiver. For optimum RF timing
characteristics it is necessary to use a low tolerance crystal. The watch crystal clocks a timer,
not the processor. The timer is intended to wake-up the processor periodically.