S3031B
Figure 9. S3031B OC-3/STM-1/E4 Transceiver
CAP1
CAP2
LOOP
FILTER
TX
VCO
E4/STM-1/OC-3 ATM TRANSCEIVER
REFCLK
TSTCLKEN
REFSEL
CMISEL
TXRSTB
DLCV
CLOCK
DIVIDER
C
M
I
2
TREFCLKOUT
TSCLKOP/N
XFRMSTATA/B
TRANSFORMER
DRIVERS
XFRMDRVA
4
PIN[3:0]
4:1
PARALLEL
TO SERIAL
LLEB
(LINELOOP)*
TX
PHASE DETECTOR
2:1
MUX
(LOOPDATA)*
XFRMDRVB
TSDATOP/N
TSDATIP/N
XFRMENA/B
SERDATEN
CAP3
CAP4
SERDSEL
2
2:1
MUX
LOOP
FILTER
RX
VCO
POCLK
TSTCLKEN
TESTCLK
CMISEL
RXRSTB
GIN
GOUT
G
CLOCK
DIVIDER
C
M
I
LOCK
DETECTOR
RSCLKOP/N
LCV
LOSOUT
BUFINA, BUFINB
BUFOUT
LOSOPT
LOSIN
LOSREF
RSDATIP/N
2
RX
PHASE DETECTOR
2:1
MUX
(LINELOOP)*
2:1 (LOOPDATA)*
MUX
DLEB
2:1
MUX
1:4
SERIAL TO
PARALLEL
RSDATOP/N
4
POUT[3:0]
ANDATIN
EQUALSEL
* Internal Connections Only
6
August 19, 1999 / Revision D