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C-MAX Time Solutions
Datasheet CMMC-8P-MF
1. Short Description
The CME8000 is a BiCMOS integrated straight through receiver with build in very high
sensitivity and a pre-decoding of the time signal transmitted from WWVB, DCF77, JJY40,
JJY60, MSF and HBG. The receiver is prepared for multi-frequency and country reception by
using an integrated logic. The CME8000 is connected to an in-built micro-controller in the
CMMC-8P-MF module which is programmed with a pre-defined serial interface protocol.
Features
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Automatic reception of long wave time signals world wide
Manual or automatic selection of radio control signal possible
Forced reception mode
Real time clock (local time and UTC time)
Time zone support
Real signal quality indicator during reception
24-hour system
Adjustable reception settings (including time and duration of reception)
Low power consumption (< 2mA during reception active mode)
Open architecture for data exchange
Build in decoding for different signals
Automatic switch between dual band signals.
Wide operating range: 3 V to 5 V
Module Layout CMMC-8P-MF
57 mm
ANT1
20 mm
IN1
IN2
ANT2
Flash program port –
Not used for application
connections
VCC
GND
TXD
RXD
READY
DE
Spec No.:
CMMC-8P-MF
Revision
179.05
State
07.01.2008
C-MAX printed
07.02.2008
Version
English
Page
2 of 22
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