AX.25 Modem
CMX7031/CMX7041
8.1.2 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
CPVDD – RFVSS
3.0
3.6
V
RFVDD – DVSS
VDEC – DVSS
Operating Temperature
XTAL/CLK Frequency (using an Xtal)
XTAL/CLK Frequency (using an external clock)
13
12
2.25
2.25
40
3.0
2.75
2.75
+85
12.288
24.576
V
V
°C
MHz
MHz
11
11
3.0
11
12
13
Nominal XTAL/CLK frequency is 19.2MHz.
The VDEC supply is automatically created from DVDD by the on-chip voltage regulator.
The RFVDD supply can be supplied from the VDEC supply, if preferred.
Notes
2013 CML Microsystems Plc
Page 38
D/7031/7041_FI-4.x/5
CMLMICRO [ CML MICROCIRCUITS ]
