SM5272B
312 RF DECODER
S
AMHOP Microelectronics Corp.
DECODER WITH DATA OUTPUT PINS
Power ON
After Power On SM5272B is set in Address
search mode, if SM5272B finds 2 consecutive
Address that matches the Address setting of
SM5272B.
NO
Address
match?
SM5272B will enter Data Compare mod. It will
compare previously 2 received data, if they
match then SM5272B will set VT high and send
data O/P.
YES
NO
NO
Address
match?
YES
Data match?
YES
Active VT and
O/P data
SM5272B re-enters Address search mode, after
2 consecutive Address that do not match
setting on SM5272B will disable VT and
momentary's data but keep Latch's data intact.
YES
YES
Address
match?
NO
Address
match?
NO
Disable VT and Remove the
Momentary data.
But keep the Latch Type
data intact.
Page 8
OCT. 26, 2001
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
