PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 154
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PEF 20525 F V1.3
Manufacturer Part Number
PEF 20525 F V1.3
Description
IC CTRL PPP/HDLC SERIAL TQFP-100
Manufacturer
Infineon Technologies
Datasheet
1.PEB_20525_F_V1.3.pdf
(252 pages)
Specifications of PEF 20525 F V1.3
Function
Serial Optimized Communications Controller
Interface
ASYNC, BISYNC, HDLC, PPP
Number Of Circuits
2
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
50mA
Power (watts)
150mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LFQFP
Includes
Bit Processor Functions, Serial Communication Controllers (SCCs)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PEF20525FV1.3X
PEF20525FV13XP
SP000007592
PEF20525FV13XP
SP000007592
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Data Sheet
ELC
AFX
CSF
SUET
Enable Length Check
This bit is only valid in HDLC SS7 mode:
If the number of received octets exceeds 272 + 7 within one Signaling
Unit, reception is aborted and bit RSTA.RAB is set.
ELC=’0’
ELC=’1’
Automatic FISU Transmission
This bit is only valid in HDLC SS7 mode:
After the contents of the transmit FIFO (XFIFO) has been transmitted
completely, FISUs are transmited automatically. These FISUs contain
the FSN and BSN of the last transmitted Signaling Unit (provided in
XFIFO).
AFX=’0’
AFX=’1’
Compare Status Field
This bit is only valid in HDLC SS7 mode:
If the status fields of consecutive LSSUs are equal, only the first will be
stored and every following is ignored
CSF=’0’
CSF=’1’
Signalling Unit Counter Threshold
This bit is only valid in HDLC SS7 mode:
Defines the number of signaling units received in error that will cause an
error rate high indication (ISR1.SUEX).
SUET=’0’
SUET=’1’
Length Check disabled.
Length Check enabled.
Automatic FISU transmission disabled.
Automatic FISU transmission enabled.
Compare is disabled, all received LSSUs are stored in the
receive FIFO.
Compare is enabled, only the first one of consecutive
equal LSSUs is stored in the receive FIFO.
threshold is 64 errored signaling units.
threshold is 32 errored signaling units.
5-154
Register Description (CCR3H)
PEB 20525
PEF 20525
2000-09-14
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