参数资料
型号: AT86RF211
厂商: ATMEL CORP
元件分类: 通信及网络
英文描述: FSK Transceiver for ISM Radio Applications
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP48
封装: TQFP-48
文件页数: 33/48页
文件大小: 582K
代理商: AT86RF211
33
AT86RF211
1942C
WIRE
06/02
In reception mode, only one frequency needs to be programmed. In transmission mode,
two different registers (F0 & F1), or (F2 & F3) must be programmed for
0
code and
1
code transmission. The DATAMSG pin value actually selects the used register. The four
registers can also be set to define two channels, so that the AT86RF211 may switch
quickly from a channel to the other.
Example:
FCHANNEL = 868.3 MHz
IF1 = 10.7 MHz
Deviation = ± 4 kHz
Notes:
1. In reception mode, one of the two frequencies (879 MHz or 857.6 MHz) can be cho-
sen, taking into account external parameters (for example, the noise that brings the
image frequency).
2. Two frequencies are used to transmit data: 868.304 MHz for
1
transmission and
868.296 MHz for
0
transmission. The polarity of DATAMSG can be swapped using
bit 5 of CTRL1.
Status Register
The STATUS register is used to read the status of internal functions (including the
wake-up function) or the output value of the internal ADC. This register can only be
read.
Mode
Programmed Frequency
RX
FCHANNEL ± IF1
TX
FCHANNEL ± deviation
Mode
FSK
RX
868.3 ± 10.7 = 879 MHz or 857.6 MHz programmed in F2
TX
868.3 ± 0.004 = 868.304 MHz programmed in F1 when DATAMSG =
1
and 868.296 MHz programmed in F0 when DATAMSG =
0
Table 10.
Status Register Overview
Name
PLLL
MRSSI
MVCC
WAKEUP
-
MSGERR
nbit
30
29-24
23-18
17
16
15
Name
MSGDATL
MSGMRATE
nbit
14-10
9-0
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