PEF 2054 N V2.1 Infineon Technologies, PEF 2054 N V2.1 Datasheet - Page 50
PEF 2054 N V2.1
Manufacturer Part Number
PEF 2054 N V2.1
Description
IC INTERFACE CTRLR PCM LCC-44
Manufacturer
Infineon Technologies
Series
EPICr
Datasheet
1.PEF_2054_N_V2.1.pdf
(269 pages)
Specifications of PEF 2054 N V2.1
Function
PCM Interface Controller
Interface
ISDN, PCM
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
9.5mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LCC
Includes
Board Controller, Channel Switching
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Other names
PEF2054NV2.1XT
PEF2054NV21XK
SP000057916
SP000075438
PEF2054NV21XK
SP000057916
SP000075438
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Semiconductor Group
4.2.1.2 Bit Number per PCM-Frame (PBNR)
Access in demultiplexed P-interface mode:
Access in multiplexed P-interface mode:
Reset value: FF
BNF7..0
4.2.1.3 PCM-Offset Downstream Register (POFD)
Access in demultiplexed P-interface mode:
Access in multiplexed P-interface mode:
Reset value: 00
OFD9..2
bit 7
bit 7
OFD9
BNF7
Bit Number per PCM Frame.
PCM-mode 0: BNF7..0 = number of bits – 1
PCM-mode 1: BNF7..0 = (number of bits – 2) / 2
PCM-mode 2: BNF7..0 = (number of bits – 4) / 4
The value programmed in PBNR is also used to check the PFS period.
Offset Downstream bit 9…2.
These bits together with PCSR:OFD1..0 determine the offset of the PCM
frame in downstream direction. The following formulas apply for calculating
the required register value. BND is the bit number in downstream direction
marked by the rising internal PFS edge. BPF denotes the actual number of
bits constituting a frame.
PCM mode 0:
PCM mode 1:
PCM mode 2:
OFD8
BNF6
H
H
OFD7
BNF5
OFD9..2 = mod
PCSR:OFD1..0 = 0
OFD9..1 = mod
PCSR: PFD0 = 0
OFD9..0 = mod
OFD6
BNF4
50
OFD5
BNF3
BPF
BPF
BPF
(BND – 17 + BPF)
(BND – 33 + BPF)
(BND – 65 + BPF)
read/write
read/write
read/write
read/write
Detailed Register Description
OFD4
BNF2
address: 1
OMDR:RBS = 1
address: 22
address: 2
OMDR:RBS = 1
address: 24
OFD3
BNF1
PEB 2055
PEF 2055
H
H
bit 0
bit 0
H
H
OFD2
BNF0
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