Digital PMR Radio Processor
CMX7131/CMX7141
7.1.2 Operating Limits
Correct operation of the device outside these limits is not implied.
Notes
Min.
Max.
Unit
Supply Voltage:
DVDD – DVSS
AVDD – AVSS
3.0
3.0
3.6
3.6
V
V
CPV – RFV (CMX7131 only)
3.0
3.6
V
DD
SS
RFV – DV (CMX7131 only)
VDEC – DVSS
Operating Temperature
XTAL/CLK Frequency (using a Xtal)
XTAL/CLK Frequency (using an external clock)
3
2
2.25
2.25
40
3.0
2.75
2.75
+85
12.288
24.576
V
V
°C
MHz
MHz
DD
SS
1
1
3.0
1
2
3
Nominal XTAL/CLK frequency is 19.2MHz.
The V supply is automatically derived from DV by the on-chip voltage regulator.
Notes:
DEC
DD
The RFV supply can be supplied from the V
supply, if preferred.
DD
DEC
2014 CML Microsystems Plc
Page 63
D/7141_FI-3.x/6
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