PEF80912HV1.4XT Infineon Technologies, PEF80912HV1.4XT Datasheet - Page 30
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PEF80912HV1.4XT
Manufacturer Part Number
PEF80912HV1.4XT
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEF80912HV1.4XT.pdf
(85 pages)
Specifications of PEF80912HV1.4XT
Lead Free Status / Rohs Status
Compliant
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Note: The test modes ’Data Through‘ (DT), ‘Send Single Pulses‘ (SSP) and ‘Quiet Mode‘
2.3.5.3
C/I-Commands:
AI
AR
ARL
DI
DT
EI1
RES
SSP
TIM
Data Sheet
(QM) can be generated via pins TM0-2 according to
If the Metallic Loop Termination is used, then the U-transceiver is forced into the
states ‘Reset‘ and ‘Transparent‘ by valid pulse streams on pin MTI according to
Table
Inputs to the U-Transceiver:
Activation Indication
The downstream device issues this indication to announce that its layer-1 is
available. The U-transceiver informs the LT side by setting the “ACT” bit to “1”.
Activation Request
The U-transceiver is requested to start the activation process by sending the wake-
up signal TN.
Activation Request Local Loop-back
The U-transceiver is requested to operate an analog loop-back (close to the U-
interface) and to begin the start-up sequence by sending SN1 (without starting timer
T1). This command may be issued only after the U-transceiver has been HW- or SW-
reset. This eases that the EC- and EQ-coefficient updating algorithms converge
correctly. The ARL-command has to be issued continuously as long as the loop-back
is required.
Deactivation Indication
This indication is used during a deactivation procedure to inform the U-transceiver
that it may enter the deactivated (power-down) state.
Data Through
This unconditional command is used for test purposes only and forces the U-
transceiver into the “Transparent” state.
Error Indication 1
The downstream device indicates an error condition (loss of frame alignment or loss
of incoming signal). The U-transceiver informs the LT-side by setting the ACT-bit to
“0” thus indicating that transparency has been lost.
Reset
Unconditional command which resets the U-transceiver.
Send Single Pulses
Unconditional command which requests the transmission of single pulses on the
U-interface.
Timing
The U-transceiver is requested to enter state ’IOM
13.
22
Table
-2 Awaked’.
Functional Description
5.
PEF 80912/80913
2001-03-29
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