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C-MAX Time Solutions
4.
Pinning
Data Sheet
CMMR-8P
Symbol
ANT2
IN2
IN1
ANT1
VCC
QHOUT
QMOUT
QLOUT
GND
QIN
DEM
PK
TEST
PON
HLD
GNDL
BSI1
BSI2
DT
DATA
DR
CLOCK
SS1
SS2
VL
CLKSEL
Function
Antenna switch 2
Input antenna
Input antenna
Antenna switch 1
Analog part supply voltage
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
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
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
SPEC No.
CMMR-8P
Revision
A2
State
09.01.08
C-MAX printed
10.01.2008
Version
English
Page
3 of 6
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