S3031B Datasheet, PDF (10/26 Pages) Applied Micro Circuits Corporation – E4/STM-1/OC-3 ATM TRANSCEIVER

S3031B
E4/STM-1/OC-3 ATM TRANSCEIVER
Table 3. Transmitter Output Pin Assignment and Description
Pin Name
Level I/O
Pin #
Description
TSDATOP
TSDATON
Diff.
O
PECL
TSCLKOP
TSCLKON
Diff.
O
PECL
TREFCLKOUT TTL
O
XFRMDRVA
Analog O
XFRMDRVB
Analog O
XFRMSTATA
TTL
O
XFRMSTATB
TTL
O
12 Transmit Serial Data Out. In NRZ mode, this signal is the delayed
13 version of the incoming data stream (TSDATIP/N) updated on the
falling edge of Serial Clock Out (TSCLKOP). In CMI mode, this
signal is the CMI-encoded version of TSDATIP/N.
9
Transmit Serial Clock Out. This signal is a 155.52 MHz clock that
10 is phase–aligned with Transmit Serial Data Out in NRZ mode. In
CMI mode, TSCLKOP/N cannot be used.
95 Transmit Reference Clock Out. Single-ended TTL reference clock
output.
89
Transformer Driver A. Used to drive the transformer of the
electrical interface. For E4 operation this output should be
connected per Figure 19 to provide the correct G.703 compatible
output levels from the transformer when connected to the
specified 75Ω cable.
88 Transformer Driver B. Used to drive the monitor transformer of the
electrical interface. This output should be connected per Figure
19 to provide the correct output levels from the transformer when
connected to the specified 75Ω cable.
93 Transformer Drive A Status. When High, the XFRMDRVA output
is enabled, CMI mode is correctly selected, and the PLL is locked
to switching data at the TSDATIP/N or PIN[3:0] input. Logic Low
indicates deselection or code error.
91 Transformer Drive B Status. When High, the XFRMDRVB output
is enabled, CMI mode is correctly selected, and the PLL is locked
to switching data at the TSDATIP/N or PIN[3:0] input. Logic Low
indicates deselection or code error.
10
August 19, 1999 / Revision D