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AT86RF211DAI-R датащи(PDF) 32 Page - ATMEL Corporation

номер детали AT86RF211DAI-R
подробное описание детали  FSK Transceiver for ISM Radio Applications
PDF  48 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT86RF211DAI-R датащи(HTML) 32 Page - ATMEL Corporation

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AT86RF211
1942C–WIRE–06/02
Frequency Registers
Note:
1. F0, F1, F2 and F3 registers must be programmed before using the device.
• Frequency Registers Selection
The FSK modulation is completely integrated. Two registers have to 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 9. Frequency Registers
Name
F0, F1, F2, F3
nbit
31-0
Name
Number
of bits
Comments
F0
32
Frequency code value F0
default register in TX mode ("0" code in FSK modulation).
F1
32
Frequency code value F1
default register in TX mode ("1" code frequency in FSK modulation).
F2
32
Frequency code value F2
default register in RX mode.
F3
32
Frequency code value F3
There is no simple relationship between frequency registers and the exact frequency. Atmel
provides a tool to program them on a production bench.
RXTX
RXFS
TXFS
DATAMSG
Mode
0
00
X
X
Receive LO is F0
0
01
X
X
Receive LO is F1
0
10
X
X
Receive LO is F2
0
11
X
X
Receive LO is F3
1
XX
0
0
Transmit "0" on F0
1
XX
0
1
Transmit "1" on F1
1
XX
1
0
Transmit "0" on F2
1
XX
1
1
Transmit "1" on F3



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