pef20550 Infineon Technologies Corporation, pef20550 Datasheet - Page 161
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pef20550
Manufacturer Part Number
pef20550
Description
Extended Line Card Interface Controller Elic
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF20550.pdf
(407 pages)
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PSB
PTL
COS
MFPS
CSB
RBS
Semiconductor Group
PCM-Standby.
0…the PCM-interface output pins TxD0..3 are set to high impedance and
1…the PCM-output pins transmit the contents of the upstream data memory
PCM-Test Loop.
0…the PCM-test loop is disabled.
1…the PCM-test loop is enabled, i.e. the physical transmit pins TxD# are
CFI-Output driver Selection.
0…the CFI-output drivers are tristate drivers.
1…the CFI-output drivers are open drain drivers.
Monitor/Feature control channel Protocol Selection.
0…handshake facility disabled (SLD and IOM-1 applications)
1…handshake facility enabled (IOM-2 applications)
CFI-Standby.
0…the CFI-interface output pins DD0..3, DU0..3, DCL and FSC are set to
1…the CFI-output pins are active.
Register Bank Selection. Used in demultiplexed data/address modes only.
The RBS-bit is internally ORed with the A4 address pin. The EPIC-1 registers
can therefore be accessed using two different methods:
1) If RBS is always set to logical 0, the registers can be accessed using all
2) If A4 is externally set to logical 0 during EPIC-1 accesses, the RBS-bit
those TSC-pins that are actually used as tristate control signals are set
to logical 1 (inactive).
or may be set to high impedance via the data memory tristate field.
internally connected to the corresponding physical receive pins RxD#,
such that data transmitted over TxD# are internally looped back to RxD#
and data externally received over RxD# are ignored. The TxD# pins still
output the contents of the upstream data memory according to the setting
of the tristate field (only modes 0 and 1; mode 1 with AIS-bit set).
high impedance.
5 address pins A4..A0.
has to be set to
0…to access the registers used during device initialization
1…to access the registers used during device operation.
161
Detailed Register Description
PEB 20550
PEF 20550
01.96
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