PEF2256EV22NP Lantiq, PEF2256EV22NP Datasheet - Page 413

• Manufacturer Part Number: PEF2256EV22NP
• Manufacturer: Lantiq

Specifications of PEF2256EV22NP

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Data Sheet
XMFS should not be selected in parallel. Register PC1 configures
port XPA, while PC2
XPD.
0000 = SYPX: Synchronous Pulse Transmit (Input)
0001 = XMFS: Transmit Multiframe Synchronization (Input)
0010 = XSIG: Transmit Signaling Data (Input)
0011 = TCLK: Transmit Clock (Input)
0100 = XMFB: Transmit Multiframe Begin (Output)
0101 = XSIGM: Transmit Signaling Marker (Output)
0110 = DLX: Data Link Bit Transmit (Output)
0111 = XCLK: Transmit Line Clock (Output)
1000 = XLT: Transmit Line Tristate (Input)
1001 = GPI: General Purpose Input
1010 = GPOH: General Purpose Output High
1011 = GPOL: General Purpose Output Low
Together with register XC(1:0) SYPX defines the frame begin
on the transmit system interface ports XDI and XSIG.
Together with register XC(1:0) XMFS defines the frame and
multiframe begin on the transmit system interface ports XDI
and XSIG. Depending on PC5.CXMFS the signal on XMFS is
active high or low.
Input for transmit signaling data received from the signaling
highway. Optionally sampling of XSIG data is controlled by
the active high XSIGM marker.
A 1.544/6.176MHz clock has to be sourced by the system if
the internal generated transmit clock (DCO-X) is not used.
Optionally this input is used as a synchronization clock for the
DCO-X circuitry with a frequency of 1.544 or 6.176 MHz.
Marks the beginning of every transmit multiframe.
Marks the time slots which are defined by register TTR(4:1) of
every frame on port XDI.
Marks the S
Frequency: 1.544MHz
With a high level on this port the transmit lines XL1/2 or
XDOP/N are set directly into tristate. This pin function is
logically ored with register XPM2.XLT.
a
-bits within the data stream on XDI.
413
port XPB, PC3
port XPC and PC4
Rev. 1.1, 2005-06-13
T1/J1 Registers
PEF 2256 H/E
FALC
®
port
56