DS2155LB Maxim Integrated, DS2155LB Datasheet - Page 20
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DS2155LB
Manufacturer Part Number
DS2155LB
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS2155GNB.pdf
(238 pages)
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Part Number:
DS2155LB
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DALLAS
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Signal Name:
Signal Description:
Signal Type:
If enabled, this pin is sampled on the falling edge of TCLK for data insertion into either the FDL stream (ESF) or
the Fs-bit position (D4), or the Z-bit position (ZBTSI) or any combination of the Sa-bit positions (E1).
Signal Name:
Signal Description:
Signal Type:
A pulse at this pin establishes either frame or multiframe boundaries for the transmit side. Can be programmed to
output either a frame or multiframe pulse. If this pin is set to output pulses at frame boundaries, it can also be set by
IOCR1.3 to output double-wide pulses at signaling frames in T1 mode.
Signal Name:
Signal Description:
Signal Type:
Only used when the transmit-side elastic store is enabled. A pulse at this pin establishes either frame or multiframe
boundaries for the transmit side. Should be connected low in applications that do not use the transmit-side elastic
store.
Signal Name:
Signal Description:
Signal Type:
When enabled, this input samples signaling bits for insertion into outgoing PCM data stream. Sampled on the
falling edge of TCLK when the transmit-side elastic store is disabled. Sampled on the falling edge of TSYSCLK
when the transmit-side elastic store is enabled.
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLK with data out of the transmit-side elastic store whether the elastic store is
enabled or not. This pin is normally connected to TDATA.
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of TCLK with data to be clocked through the transmit-side formatter. This pin is
normally connected to TESO.
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLKO with the bipolar data out of the transmit-side formatter. Can be programmed
to source NRZ data by the output data format (IOCR1.0) control bit. This pin is normally connected to TPOSI.
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLKO with the bipolar data out of the transmit-side formatter. This pin is normally
connected to TNEGI.
Signal Name:
TLINK
Transmit Link Data
Input
TSYNC
Transmit Sync
Input/Output
TSSYNC
Transmit System Sync
Input
TSIG
Transmit Signaling Input
Input
TESO
Transmit Elastic Store Data Output
Output
TDATA
Transmit Data
Input
TPOSO
Transmit Positive-Data Output
Output
TNEGO
Transmit Negative-Data Output
Output
TCLKO
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