PEB2256H-V12 Infineon Technologies, PEB2256H-V12 Datasheet - Page 209
PEB2256H-V12
Manufacturer Part Number
PEB2256H-V12
Description
IC INTERFACE LINE 3.3V 80-MQFP
Manufacturer
Infineon Technologies
Datasheet
1.PEB2256H-V12.pdf
(490 pages)
Specifications of PEB2256H-V12
Applications
*
Interface
*
Voltage - Supply
*
Package / Case
80-SQFP
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PEB2256H-V12
PEB2256H-V12IN
PEB2256H-V12IN
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
PEB2256H-V12
Manufacturer:
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10 000
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8.3.7
The FALC56 supports signaling and maintenance functions for T1/J1 primary rate
Interfaces using the Extended Super Frame format. The HDLC channel 1 of the device
supports the DL-channel protocol for ESF format according to T1.403-1989 ANSI or to
AT&T TR54016 specification. The HDLC and Bit Oriented Message (BOM) -Receiver
can be switched on/off independently. If the FALC56 is used for HDLC formats only, the
BOM receiver has to be switched off. If HDLC and BOM receiver has been switched on
(MODE.HRAC/BRAC), an automatic switching between HDLC and BOM mode is
enabled. Storing of received DL-bit information in the RFIFO of the signaling controller
and transmitting the XFIFO contents in the DL-bit positions is enabled by CCR1.EDLX/
EITS = 10. After hardware-reset (pin RES low) or software-reset (CMDR.RRES = 1) the
FALC56 operates in HDLC mode. If eight or more consecutive ones are detected, the
BOM mode is entered. Upon detection of a flag in the data stream, the FALC56 switches
back to HDLC mode. Operating in BOM mode, the FALC56 is able to receive an HDLC
frame immediately, i.e. without any preceding flags.
In BOM mode, the following byte format is assumed (the left most bit is received first;
111111110xxxxxx0).
The FALC56 uses the FF
bit received: LSB) if it starts and ends with a “0”. Bytes starting and ending with a “1” are
not stored. If there are no 8 consecutive ones detected within 32 bits, an interrupt is
generated. However, byte sampling is not stopped.
Data Sheet
Data written to the XFIFO will be transmitted subsequently in the S
defined by register XC0.SA8E to SA84E and the corresponding bits of
TSWM.TSA(8:4). Any combination of S
sent out completely an “all ones” or Flags (CCR1.ITF) is transmitted. The continuous
transmission of a transparent bit stream, which is stored in the XFIFO, can be
enabled.
With the setting of bit MODE.HRAC the received S
receive FIFO.
The access to and from the FIFOs is supported by ISR0.RME/RPF and ISR1.XPR/
ALS.
Bit Oriented Message Mode (T1/J1)
H
byte for synchronization, the next byte is stored in RFIFO (first
a
209
-bits can be selected. After the data has been
Signaling Controller Operating Modes
a
-bits can be forwarded to the
FALC56 V1.2
a
-bit positions
PEB 2256
2002-08-27
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