PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 155
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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
RAC
ESS7
DRCRC
RCRC
Receiver active
Switches the receiver between operational/inoperational states:
RAC=’0’
RAC=’1’
Enable SS7 Mode
This bit is only valid in HDLC mode only.
ESS7=’0’
ESS7=’1’
Note: If SS7 mode is enabled, ’Address Mode 0’ must be selected by
Disable Receive CRC Checking
DRCRC=’0’
DRCRC=’1’
Receive CRC Checking Mode
RCRC=’0’
RCRC=’1’
setting bit field CCR2L:MDS(1:0) to ’10’ and bit CCR2L:ADM to ’0’.
Receiver inactive, receive line is ignored.
Receiver active.
Disable signaling system #7 (SS7) support.
Enable signaling system #7 (SS7) support.
The receiver expects a 16 or 32 bit CRC within a HDLC
frame. CRC processing depends on the setting of bit
’RCRC’.
Frames shorter than expected are marked ’invalid’ or are
discarded (refer to
The receiver does not expect any CRC within a HDLC
frame. The criteria for ’valid frame’ indication is updated
accordingly (refer to
Bit ’RCRC’ is ignored.
The received checksum is evaluated, but NOT forwarded
to the receive FIFO.
The received checksum (2 or 4 bytes) is evaluated and
forwarded to the receive FIFO as data.
5-155
RSTA
RSTA
Register Description (CCR3H)
description).
description).
PEB 20525
PEF 20525
2000-09-14
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