SX1212IWLTRT Semtech, SX1212IWLTRT Datasheet - Page 62

• Manufacturer Part Number: SX1212IWLTRT
• Description: IC TXRX 300MHZ-510MHZ 32-TQFN
• Manufacturer: Semtech

Specifications of SX1212IWLTRT

• Frequency: 300MHz ~ 510MHz
• Data Rate - Maximum: 150kbps
• Modulation Or Protocol: FSK, OOK
• Applications: AMR, ISM, Home Automation, Process Control
• Power - Output: 12.5dBm
• Sensitivity: -110dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 3mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Modulation Type: FSK/OOK
• Package Type: TQFN EP
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed
• Other names: SX1212IWLTR

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 2 – June 18th, 2009
ADVANCED COMMUNICATIONS & SENSING
6.4. Receiver Configuration parameters - RXParam
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 77
f
0
kHz
+
200
.
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0
12
C
F
= 100 kHz
kHz
xtal
= 200 kHz
8 .
MHz
MHz
.
12
65 kHz
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
f
xtal
8 .
.
1
MHz
MHz
+
Val
(
.
PolypFilt
1
+
Val
8
(
ButterFilt
_
8
center
)
)
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