SM8211M Datasheet, PDF (21/22 Pages) Nippon Precision Circuits Inc – POCSAG Decoder For Pagers

SM8211M
BREAK input
Message receive flag = 0
and message halts
within 2 bits of time
Yes
Frame timing
B
= frame
No
Wait until next code word
D
E
No
Sync code detected
Yes
SYN-VAL = HIGH
1
Message receive flag
0
A
No
SYN-VAL = HIGH
Yes
SYN-VAL = LOW
Yes
Preamble present
No
1
Message receive flag
0
BS1 = BS3 = LOW
(BS1 = BS2 = BS3 =LOW)
C
Idle
Preamble
NIPPON PRECISION CIRCUITS—21