MC33591 Datasheet, PDF (7/28 Pages) Motorola, Inc – PLL Tuned UHF Receiver for Data Transfer Applications

Freescale Semiconductor, Inc.
COMMUNICATION PROTOCOL
Figure 8: Telegrams with ID
DME=1, HE=1
Preamble ID
Preamble ID
Preamble ID
Preamble Header Data EOM
ID detected
RF signal
Data
DME=1, HE=0
SPI output
Preamble ID ID ID ID ID ID ID ID ID ID ID ID ID ID Data EOM
ID detected
RF signal
ID ID ID ID ID ID ID ID Data
SPI output
DME=1, HE=1
DME=1, HE=0
Figure 9: Telegrams with tone
Tone
Tone detected
Tone
Tone detected
Tone
Header Data EOM
RF signal
Data
SPI output
Data EOM
RF signal
Data
SPI output
RECEIVER START-UP DELAY
A settling time (1ms typ.) is required when entering into Wait mode. figure 10.
Sleep
Run
Figure 10: Wait usable window
Sleep
Settling
time
ID
ID
ID
ID
ID
ID
Run
ID
ID
ID detected
MOTOROLA
MC33591 Technical Data
7
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