SAMHOP Microelectronics Corp.
3
12
RF DECODER
SM5172
OPERATION FLOWCHART
Power ON
NO
Address
match?
YES
After Power On SM5172 enters the search Address
mode, if SM5172 finds 2 consecutive Address that
matches the Address Pin setting of SM5172, it will
set VT high.
NO
Address
match?
YES
Set VT
It VT is set high, SM5172 is still in search Address.
After 2 consecutive Address that do not match the
setting on SM5172, SM5172 will disable VT.
YES
Address
match?
NO
YES
Address
match?
NO
Disable VT
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