
AN2677/D
10 Digital Satellite Equipment Control (DiSEqC ) using MC68HC908QT/QY
Software Operation
Figure 6. Software Operation
START
BASIC INITIALIZATION
ENABLE TONE-BURST
SAT A AS DEFAULT
ENALBE DiSEqC
NO
RECEIVED VALID DATA
?
YES
NO
RECEIVED TONE-BURST DATA
?
YES
NO
RECEIVED DiSEqC DATA
?
YES
NO
RESET COMMAND RECEIVED
?
YES
DECODE, ANSWER, AND
DISABLE
SET OUTPUTS
TONE BURST
DECODE, ANSWER,
AND SET OUTPUTS
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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.
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