ATA5429-PLUW Atmel, ATA5429-PLUW Datasheet - Page 28
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ATA5429-PLUW
Manufacturer Part Number
ATA5429-PLUW
Description
Manufacturer
Atmel
Datasheet
1.ATA5429-PLUW.pdf
(100 pages)
Specifications of ATA5429-PLUW
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Product Depth (mm)
7mm
Product Height (mm)
0.9mm
Product Length (mm)
7mm
Lead Free Status / Rohs Status
Compliant
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Table 4-1.
28
Frequency
433.92
(MHz)
868.3
315
345
915
ATA5423/ATA5425/ATA5428/ATA5429
Calculation of f
433_N868
AVCC
AVCC
AVCC
Pin 6
GND
GND
The variable FREQ depends on FREQ2 and FREQ3, which are defined by the bits FR0 to FR12
in control register 2 and 3, and is calculated as follows:
FREQ = FREQ2 + FREQ3
Care must be taken to the harmonics of the CLK output signal f
produced by an microprocessor clocked with it, since these harmonics can disturb the reception
of signals if they get to the RF input. In a single channel system, using FREQ = 3803 to 4053
ensures that the harmonics of this signal do not disturb the receive mode. In a multichannel sys-
tem, the CLK signal can either be not used or carefully laid out on the application PCB. The
supply voltage of the microcontroller must also be carefully blocked in a multichannel system.
CREG1
RF
Bit(4)
FS
1
0
0
0
0
f
13.25311
13.41191
XTO
12.73193
13.94447
14.13324
(MHz)
f
f
f
f
f
XTO
XTO
XTO
XTO
XTO
f
RF
24.5
24.5
32.5
64.5
64.5
= f
TX_ASK
+
+
+
+
+
FREQ
--------------------------------- -
FREQ
--------------------------------- -
FREQ
--------------------------------- -
FREQ
--------------------------------- -
FREQ
--------------------------------- -
16384
16384
16384
16384
16384
= f
RX
+
+
+
+
+
20.5
20.5
20.5
20.5
20.5
f
f
f
f
f
RF
RF
RF
RF
RF
f
–
–
–
–
–
TX_FSK_L
15.54 kHz
17.02 kHz
16.17 kHz
16.37 kHz
17.25 kHz
CLK
as well as to the harmonics
15.54 kHz
17.02 kHz
16.17 kHz
16.37 kHz
17.25 kHz
f
TX_FSK_H
f
f
f
f
f
RF
RF
RF
RF
RF
+
+
+
+
+
4841D–WIRE–10/07
Resolution
Frequency
777.1 Hz
851.1 Hz
808.9 Hz
818.6 Hz
862.6 Hz
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