UMA1002 Datasheet, PDF (27/36 Pages) NXP Semiconductors – Data processor for cellular radio DPROC2

10 11
40
40
40
BIT WORD REPEAT 1 REPEAT 1 REPEAT 2
SYNC SYNC OF WORD A OF WORD B OF WORD A
40
40
40
40
10
REPEAT 4 REPEAT 4 REPEAT 5 REPEAT 5 BIT
OF WORD A OF WORD B OF WORD A OF WORD B SYNC
Busy/Idle
Bit
101 11
40
BIT _{WORD REPEAT 1}
SYNC _{SYNC OF WORD}
37 11
40
BIT _{WORD REPEAT 2}
SYNC _{SYNC OF WORD}
(a)
37 11
BIT _WORD
SYNC _SYNC
40
37 11
40
37 11
40
REPEAT 9 ^BIT WORD REPEAT 10 ^BIT WORD REPEAT 11
OF WORD ^SYNC SYNC OF WORD ^SYNC SYNC OF WORD
(b)
30 11
7
240
240
BIT WORD CODED FIRST WORD REPEATED SECOND WORD REPEATED
SYNC SYNC DCC
5 TIMES
5 TIMES
101 11
48
37 11
48
(c)
37 11
BIT WORD REPEAT 1 BIT WORD REPEAT 2 BIT WORD
SYNC SYNC OF WORD 1 SYNC SYNC OF WORD 1 SYNC SYNC
(d)
48
37 11
48
37 11
REPEAT 5 BIT WORD REPEAT 1 BIT WORD
OF WORD 1 SYNC SYNC OF WORD 2 SYNC SYNC
48
REPEAT 5
OF WORD 2
MBC770
(a) FOCC (Forward Control Channel).
(b) FVC (Forward Voice Channel).
(c) RECC (Reverse Control Channel).
(d) RVC (Reverse Voice Channel).
Fig.14 Signalling formats.