SM1211E915TOPIC Semtech, SM1211E915TOPIC Datasheet - Page 67
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 lowest-power Rx cycle is the following:
Note: If the lock detect indicator is available on an external interrupt pin of the companion uC, it can be used to
optimize TS_FS, without having to wait the maximum specified TS_FS.
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
7.3.1. Optimized Receive Cycle
nd
, 2008
3.0mA typ.
1.3mA typ.
100nA typ.
65uA typ.
SX1211
IDDFS
IDDST
IDDSL
IDDR
IDD
TS_OSC
Set SX1211 in Standby mode
Wait for XO settling
Wait
TS_FS
Wait
Figure 49: Optimized Rx Cycle
Set SX1211 in FS mode
Wait for PLL settling
TS_RE
Wait
Page 67 of 92
Set SX1211 in Rx mode
Wait for Receiver settling
time
Rx
Receiver is ready :
-RSSI sampling is valid after a 1/Fdev period
-Received data is valid
SX1211 can be put in
Any other mode
www.semtech.com
SX1211
Time
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