AT86RF211SAHW Atmel, AT86RF211SAHW Datasheet - Page 41
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AT86RF211SAHW
Manufacturer Part Number
AT86RF211SAHW
Description
Manufacturer
Atmel
Datasheet
1.AT86RF211SAHW.pdf
(64 pages)
Specifications of AT86RF211SAHW
Lead Free Status / Rohs Status
Compliant
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4.6.2.4
4.6.2.5
e2v semiconductors SAS 2008
Frequency Registers
Selection of Frequency Registers
Table 4-20.
Table 4-21.
Note:
There is no simple relationship between the frequency registers and the exact frequency. e2v provides a tool to
program them on a production bench.
The FSK modulation is completely integrated. Two registers must be programmed (default F0 and F1) to
allow 0 and 1 transmission.
The frequency register selection depends on the control register programming and on the DATAMSG
pin.
Table 4-22.
in reception mode, only frequency need to be programmed. In transmission mode, two different registers
F0 and F1 or F2 and F3 must be programmed for 0 code and 1 code transmission. The DATAMGS pin
value actually selects the used register. The four registers can also be set to define two channels so that
the AT86RF211S may switch quickly from one channel to another.
Name
F0, F1, F2, F3
Name
F0
F1
F2
F3
RXTX
0
0
0
0
1
1
1
1
1. F0, F1, F2 and F3 registers must be programmed before using the device.
Number of bits
32
32
32
32
Overview
Detailed Description
Frequency Register Settings
RXFS
00
01
10
11
XX
XX
XX
XX
TXFS
X
X
X
X
0
0
1
1
Comments
Frequency code value F0
default register in TX mode (0 code in FSK modulation)
Frequency code value F1
default register in TX mode (1 code frequency in FSK modulation)
Frequency code value F2
default register in RX mode
Frequency code value F3
DATAMSG
X
X
X
X
0
1
0
1
Number of Bits
31-0
Receive LO is F0
Receive LO is F1
Receive LO is F2
Receive LO is F3
Transmit 0 on F0
Transmit 1 on F1
Transmit 0 on F2
Transmit 1 on F3
Mode
0894C–WIRE–11/08
AT86RF211S
41
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