Rainbow Electronics DS2154 - Manual (Page 3)

DS2154
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DS2154 ENHANCED E1 SINGLE–CHIP TRANSCEIVER Figure 1–1
8
VC
O
/
P
LL
7
4 3 4
RCL RCLK RLOS 8MCLK RLINK RLCLK RCHBLK RCHCLK RSIGF RSIG RSER RSYSCLK RSYNC RMSYNC RFSYNC RDA
T
A
TSYNC TDA
T
A
TESO TSSYNC TSYSCLK TSER TSIG TCLK TCHBLK TCHCLK TLINK TLCLK
SIGNALING
BUFFER
8.182 MHz CLOCK
SYNTHESIZER
TIMING
CONTROL
Sa EXTRACTION
ELASTIC ST
ORE
SYNC CONTROL
HARDW
ARE
SIGNALING INSER
TION
ELASTIC ST
ORE
STIMING CONTROL
Sa INSER
TION
LOTC
MUX
SYNC CLOCK DA
T
A
SYNC CLOCK DA
T
A
RECEIVE SIDE
FRAMER
TRANSMIT
SIDE
FORMA
TTER
FRAMER LOOPBACK
REMOTE LOOPBACK
PER–CHANNEL CODE INSERT
FAS WORD INSERTION
SI BIT INSERTION
E–BIT INSERTION
SA INSERTION
PER–CHANNEL LOOPBACK
SIGNALING INSERTION
CRC4 GENERAITON
HDB3 ENCODE
AIS GENERAITON
PER–CHANNEL CODE INSERT
SA AND SI EXTRACTION
SIGNALING EXTRACTION
E–BIT COUNTER
FAS ERROR COUNTER
CRC ERROR COUNTER
ALARM DETECTION
SYNCHRONIZER
BPV COUNTER
HDB3 DECODER
LIUC
MUX
JITTER ATTENUATION
(CAN BE PLACED IN EITHER
TRANSMIT OR RECEIVE PATH)
16.384 MHz
LOCAL LOOPBACK
POWER
CONNECTIONS
CLOCK/DATA
RECOVERY
PEAK
EQUALIZER
DETECT
LIU AIS
GENERATION
WAVE–
SHAPING
LINE
DRIVERS
P
ARALLEL
AND
TEST
CONTROL
POR
T
(ROUTED T
O
ALL
BLOCKS)
MUX
CLOCK/ CR
YST
AL
INTERF
ACE
2.048 MHz
32.768 MHz
LIUC
TPOSO
TCLKO
TNEGO
TNEGI
TCLKI
TPOSI
MUX
D0 to D7/
AD0 to AD7
A0 to A6
ALE(AS)/A7
RD(DS)
WR(R/W)
BTS
CS
TEST
INT
RPOSI
RCLKI
RNEGI
RNEGO
RCLKO
RPOSO
8XCLK
XTALD
MCLK
R
VDD
DVDD TVDD R
VSS
DVSS TVSS
RRING
R
TIP
TRING
TTIP
LOTC