SM1211E915TOPIC Semtech, SM1211E915TOPIC Datasheet - Page 42
![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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If the bit synchronizer is disabled, the raw demodulator output is made directly available on DATA pin and no DCLK
signal is provided.
Conversely, if the bit synchronizer is enabled, synchronous cleaned data and clock are made available respectively
on DATA and IRQ_1 pins. DATA is sampled on the rising edge of DCLK and updated on the falling edge as
illustrated in Figure 36.
Note that in Continuous mode it is always recommended to enable the bit synchronizer to clean the DATA signal
even if the DCLK signal is not used by the uC. (bit synchronizer is automatically enabled in Buffered and Packet
mode).
The tables below give the description of the interrupts available in Continuous mode.
Table 17: Interrupt Mapping in Continuous Rx Mode
Note: In Continuous mode, no interrupt is available in Stby mode
Table 18: Interrupt Mapping in Continuous Tx Mode
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
5.3.3. Rx Processing
5.3.4. Interrupt Signals Mapping
nd
, 2008
DATA (NRZ)
DCLK
IRQ_0
Figure 36: Rx Processing in Continuous Mode
IRQ_0
IRQ_1
IRQ_1
Rx_stby_irq_0
00 (d)
01
1x
Page 42 of 92
Tx
-
DCLK
Rx
Sync
RSSI
-
DCLK
www.semtech.com
SX1211
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