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SX1211SK868/915 User Guide
3.6.7
Configuration Switch buttons
C0
0
0
0
0
1
1
1
1
1
C1
0
0
1
1
0
0
1
1
1
M/S
0
1
0
1
0
1
0
1
1
Description
FSK without auto-jump - Slave
FSK without auto-jump - Master
OOK without auto-jump - Slave
OOK without auto-jump - Master
FSK with auto-jump - Slave
FSK with auto-jump - Master
OOK with auto-jump - Slave
OOK without auto-jump - Master
Reset at the power-up
3.6.8 Ping Pong Test
Ping-Pong has automatically started after the Automatic Frequency Control. At this stage the user
observes that the Tx yellow LED blinks (Ping). The Rx yellow LED comes on when the received
message is correct (Pong).
A reliable two way radio link has been established between two modules. Each module, upon receipt
a valid radio frame will immediately “echo back”, keeping the Ping-Pong test sequence continually
active. This indicates the desired state of 100% two-way communications reliability.
4
FUNCTIONAL OVERVIEW
4.1 INTRODUCTION
After using the Ping Pong Demo, you are ready to start using the kit.
4.2
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HIGHLIGHTS
SX1211SK - Functional flow chart
Default Ping Pong Test
User Ping Pong Test
Stand Alone Evaluation Mode
PC – GUI command
Rev1.1
12 of 30
www.semtech.com
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