三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5172
3
12
RF ENCODER
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
Page 7
OCT. 2001