PM6341 E1XC
DATA SHEET
PMC-910419
ISSUE 8
E1 FRAMER/TRANSCEIVER
Pin Name Type
Pin No.
PQFP PLCC
Function
TDP/
Output
71
2
Transmit Digital Positive Line Pulse
(TDP). This signal is available on the
output when the E1XC is configured
to transmit dual-rail data. The TDP
signal can be formatted for either RZ
or NRZ waveforms, and can be
enabled to be updated on the rising or
falling edge of TCLKO.
TDD
Transmit Digital Data (TDD). This
signal is available on the output when
configured to transmit single-rail data.
The TDD signal may be enabled to be
updated on the rising or falling edge of
TCLKO.
TDN/
Output
68
67
Transmit Digital Negative Line Pulse
(TDN). This signal is available on the
output when the E1XC is configured
to transmit dual-rail data. The TDN
signal can be formatted for either RZ
or NRZ waveforms, and can be
enabled to be updated on the rising or
falling edge of TCLKO.
TFLG
Transmit FIFO Flag (TFLG). This
signal is available when configured to
transmit single-rail data. The TFLG
output indicates when the transmit
rate conversion FIFO in DJAT is
nearing an empty or a full condition.
Either indication may be selected.
This output may be enabled to be
updated on the rising or falling edge of
TCLKO.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
31
PMC [ PMC-SIERRA, INC ]
