PEF 20525 F V1.3 Infineon Technologies, PEF 20525 F V1.3 Datasheet - Page 152
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
OIN
XCRC
One Insertion
In HDLC mode a one-insertion mechanism similar to the zero-insertion
can be activated:
OIN=’0’
OIN=’1’
Transmit CRC Checking Mode
XCRC=’0’
XCRC=’1’
The ’1’ insertion mechanism is disabled.
In transmit direction a logical ’1’ is inserted to the serial
data stream after 7 consecutive zeros.
In receive direction a ’1’ is deleted from the receive data
stream after receiving 7 consecutive zeros.
This enables clock information to be recovered from the
receive data stream by means of a DPLL, even in the case
of NRZ data encoding, because a transition at bit cell
boundary occurs at least every 7 bits.
The transmit checksum (2 or 4 bytes) is generated and
appended to the transmit data automatically.
The transmit checksum is not generated automatically.
The checksum is expected to be provided by software as
the last 2 or 4 bytes in the transmit data buffer.
5-152
Register Description (CCR2H)
PEB 20525
PEF 20525
2000-09-14
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