三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
OPERATION FLOWCHART
Power ON
NO
Address
match?
YES
After Power On SM5272B enters the Search
Address mode, if SM5272B finds 2 consecutive
Address that matches the Address Pin setting
of SM5272B, it will set VT high.
NO
Address
match?
YES
Set VT
It VT is set high, SM5272B is still in search
Address. After 2 consecutive Address that do
not match the setting on SM5272B, SM5272B
will disable VT.
YES
Address
match?
NO
YES
Address
match?
NO
Disable VT
Page 7
OCT. 26, 2001