SAMHOP Microelectronics Corp.
SM5172
312 RF DECODER
OPERATION FLOWCHART
Power ON
After Power On SM5172enters the search Address
mode, if SM5172 finds 2 consecutive Address that
matches the Address Pin setting of SM5172, it will
set VT high.
NO
NO
Address
match?
YES
Address
match?
YES
Set VT
It VT is set high, SM5172 is still in search Address.
After 2 consecutive Addressthat do not match the
setting on SM5172, SM5172 will disable VT.
YES
YES
Address
match?
NO
Address
match?
NO
Disable VT
Page 8
V1.01