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CME8000 PDF даташит

Спецификация CME8000 изготовлена ​​​​«C-MAX» и имеет функцию, называемую «RC Module».

Детали детали

Номер произв CME8000
Описание RC Module
Производители C-MAX
логотип C-MAX логотип 

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CME8000 Даташит, Описание, Даташиты
CME8000
RC-Module
C-MAX
SPECIFICATION
FOR
CMMR-8D
RC Module
1. CME8000 Description
The CME8000 is a BICMOS integrated straight through receiver with in-built very high
sensitivity and a pre-decoding of the time signal transmitted from WWVB, DCF77, JJY MSF
and HBG. The receiver is prepared for multi-modus reception by using an integrated logic.
Integrated functions such as stand-by mode, integrated antenna switching, integrated crystal
switching and a hold function offer features for universal applications.
2. CMMR-8D Description
Together with the ferrite antenna, the CMMR-8D module forms a complete receiver unit for
single, dual or triple frequency radio control signal reception. Depending on the application or
SPEC No.
CMMR-8D
Revision
A6
State
17.11.06
C-MAX printed
29.10.2008
Version
English
Page
1 of 5









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CME8000 Даташит, Описание, Даташиты
CME8000
RC-Module
C-MAX
evaluation that this module is applied on, the part number for ordering differs. (For detail see
part-numbering and ordering section).
This module has pin outs for all available pins on the receiver IC CME8000. Via easy
interface with a separate MCU, the module can readily receive, recognize and decode to
digital form the selected long wave signal received via the antenna. Output of the decoded
stream of digital data is available on the DATA pin of the module and can be fed into the
MCU for translation into time information necessary for the intended application.
3. Dimensions & Outline of Module
No external components
related to the CME8000
receiver IC are
necessary. This module
needs only to be
interfaced to a MCU for
radio control
functionality.
4. Pinning
Symbol
ANT2
Function
Antenna switch 2
IN2 Input antenna
IN1
ANT1
Input antenna
Antenna switch 1
VCC
SPEC No.
CMMR-8D
Analog part supply voltage
Revision
A7
State
29.10.08
Remark
Antenna connection for 60kHz. Capacitor space CM for
capacitor to match connection between ANT2 and IN1 for
60kHz.
Antenna connection for 40kHz and 77.5kHz. Capacitor
space CH for capacitor to match connection between IN1
and IN2 for 77.5kHz
Antenna connection for 60kHz and 77.5kHz
Antenna connection for 40kHz. Capacitor space CL for
capacitor to match connection between ANT1 and IN2 for
40kHz.
Separate power supply to analog part
C-MAX printed
29.10.2008
Version
English
Page
2 of 6









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CME8000 Даташит, Описание, Даташиты
CME8000
RC-Module
C-MAX
QHOUT
QMOUT
QLOUT
GND
QIN
DEM
PK
TEST
PON
HLD
GNDL
BSI1
BSI2
DT
DATA
DR
CLOCK
SS1
SS2
VL
CLKSEL
Crystal 3 output
Crystal 2 output
Crystal 1 output
Analog Ground
Crystal common input
Capacity for demodulation
peak-detector
Capacity for AGC regulation
Test I/O
Power on
AGC Hold
Digital Ground
Bit Strength Indicator 1 (LSB)
Bit Strength Indicator 2
(MSB)
Data Send Clock
Data Output
Data Ready in register
Clock input 1024 / 4096 Hz
Transmitter Select 1
Transmitter Select 2
Digital supply voltage
Clock select
Connection for 77.5kHz crystal
Connection for 60kHz crystal
Connection for 40kHz crystal
separate GND to analog part
Common crystal input connection for all crystals
Capacitor C3 fixed as 100nF for all frequencies at DEM
pin
Capacitor C4 fixed as 3.3 µF for all frequencies at PK pin
Test mode set by setting SS1 and SS2
Connect to GND for receiver to be activated
Active Low hold pin to hold AGC function
Separate GND for digital part
Binary output to show LSB of BSI level
Binary output to show MSB of BSI level
Refer to timing diagram in CME8000 datasheet
Refer to timing diagram in CME8000 datasheet
Refer to timing diagram in CME8000 datasheet
Clock input necessary to drive CME8000, selectable via
CLKSEL
Different protocols and test modes selectable by this tri-
state pin (refer to logical function table for SS1 and SS2 in
CME8000 datasheet)
Different protocols and test modes selectable by this tri-
state pin (refer to logical function table for SS1 and SS2 in
CME8000 datasheet)
Separate power supply to digital part
Open/GND connection = 1024 Hz, VCC = 4096 Hz
5. Electrical Characteristics
Parameter
Min
Typical
Max
Unit
Reception frequency range
20
120 kHz
Supply Voltage
1.2
5.0 V
Power consumption
a) Power on
< 100
µA
b) Receiver off
0.5 µA
Input Sensitivity
a) Signal generator direct input
0.5 0.8 µV
b) via antenna (interference free)
20** 15** µV/m
** ferrite antenna: Length = 60mm / diameter = 10mm, with optimised L, C and Q
SPEC No.
CMMR-8D
Revision
A7
State
29.10.08
C-MAX printed
29.10.2008
Version
English
Page
3 of 6










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Номер в каталогеОписаниеПроизводители
CME8000RC Receiver ICC-MAX
C-MAX
CME8000RC ModuleC-MAX
C-MAX

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