PEB20256EV21GXP Infineon Technologies, PEB20256EV21GXP Datasheet - Page 151
PEB20256EV21GXP
Manufacturer Part Number
PEB20256EV21GXP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEB20256EV21GXP.pdf
(232 pages)
Specifications of PEB20256EV21GXP
Operating Supply Voltage (typ)
2.5/3.3V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
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INV
TMP
CRC32
CRCDIS
ACCMX
Data Sheet
Bit Inversion
If bit inversion is enabled outgoing channel data is inverted after
processed by the protocol machine. E.g. a outgoing idle flag is
transmitted as octet 81
0
1
Transparent Mode Pack
This bit enables the transparent mode packing and is valid in TMA mode
only. This feature is applicable if at least one bit in any time slot is
masked.
0
1
CRC 32 Select
This bit selects the generator polynomial in the transmitter. The
checksum of outgoing data packets will be generated according to
CRC16 or CRC32. CRC32 Select is valid in HDLC and PPP modes only.
0
1
CRC Disable
This bit enables generation and transmission of a CRC checksum. CRC
disable is valid in HDLC and PPP modes only.
0
1
Enable extended ACCM character
The selected bits in bit field ACCMX denote the enabled characters in
XMIT_ACCMX.
In addition to the Channel Specification Transmit ACCM Map the user
can select four global user definable characters for character mapping in
PPP modes. Setting one or more of the bits ACCM(3) through ACCM(0)
enables the corresponding character which can be found in register
XMIT_ACCMX.
0
1
Disable bit inversion.
Enable bit inversion.
If subchanneling is used outgoing masked bits of data octet are
discarded and substituted with ‘1’.
If subchanneling is used outgoing masked bits are sent as ‘1’.
The remaining bits of data are sent in the next time slot.
Select CRC16 generation.
Select CRC32 generation.
CRC generation and transmission is disabled.
CRC generation and transmission is enabled.
Disable the selected character in XMIT_ACCMX for character
mapping.
Enable the corresponding character in register XMIT_ACCMX for
character mapping.
H
in HDLC mode.
151
Register Description
PEB 20256 E
PEF 20256 E
04.2001
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