SM1211E915TOPIC Semtech, SM1211E915TOPIC Datasheet - Page 62
![KIT PICTAIL EXT FOR SX1211](/photos/14/10/141075/sm1211e915topic_sml.jpg)
SM1211E915TOPIC
Manufacturer Part Number
SM1211E915TOPIC
Description
KIT PICTAIL EXT FOR SX1211
Manufacturer
Semtech
Type
Transceiver, UHFr
Specifications of SM1211E915TOPIC
Frequency
915MHz
For Use With/related Products
SX1211
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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The detailed description of the RXParam register is given in Table 29.
Table 29: RXParam Register Description
Name
PassiveFilt
ButterFilt
PolypFilt_center
Res
PolypFilt_on
Bitsync_off
Sync_on
Sync_size
Sync_tol
Res
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
6.4. Receiver Configuration parameters - RXParam
nd
, 2008
Bits
7-4
3-0
7-4
3-0
7
6
5
4-3
2-1
0
Address (d)
16
16
17
17
18
18
18
18
18
18
RW
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Description
Typical single sideband bandwidth of the passive low-pass filter.
PassiveFilt = 0000
Sets the receiver bandwidth. For BW information please refer to
sections 3.4.5 (FSK) and 3.4.6 (OOK).
(d): “0011” => f
Central frequency of the polyphase filter (100kHz recommended):
(d):“0011” => f
Reserved
(d): “1000”
Enable of the polyphase filter, in OOK Rx mode:
0
1
Bit synchronizer: control in Continuous Rx mode:
0
1
Sync word recognition:
0
1
Sync word size:
00
01
10
11
Number of errors tolerated in the Sync word recognition:
00
01
10
11
Reserved
(d):”0”
f
f
0
c
off (d)
on
on (d)
off
off (d)
on
200
8 bits
16 bits
24 bits
32 bits (d)
0 error (d)
1 error
2 errors
3 errors
Page 62 of 92
f
0
kHz
200
.
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0
12
F
C
= 100 kHz
kHz
xtal
–f
8 .
0
MHz
MHz
= 100 kHz
.
12
65 kHz
f
82 kHz
109 kHz
137 kHz
157 kHz
184 kHz
211 kHz
234 kHz
262 kHz
321 kHz
378 kHz (d)
414 kHz
458 kHz
514 kHz
676 kHz
987 kHz
xtal
8 .
.
1
MHz
MHz
Val
(
.
PolypFilt
1
Val
8
(
ButterFilt
_
8
center
)
)
www.semtech.com
SX1211
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