PEF 2054 N V2.1 Infineon Technologies, PEF 2054 N V2.1 Datasheet - Page 162

• Manufacturer Part Number: PEF 2054 N V2.1
• Description: IC INTERFACE CTRLR PCM LCC-44
• Manufacturer: Infineon Technologies
• Series: EPICr

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

W:MAAR
W:MACR
Downstream: CFI port 1, time slot 7, bits 7 … 0 from PCM port 0, time slot 0, bits 7 … 0
W:MADR
W:MAAR
W:MACR
The following sequence sets transmit time slot 0 of PCM port 0 to high impedance:
W:MADR
W:MAAR
W:MACR
Example
In PCM mode 0 and CFI mode 0 the following non-transparent CFI to CFI loop via PCM
port 0, time slot 0 shall be programmed:
Upstream: CFI port 2, time slot 4, bits 7 … 0 to PCM port 0, time slot 0, bits 7 … 0
W:MADR
Semiconductor Group
= 1000 0000
= 1001 0100
= 0111 0001
= 1000 0000
= 0001 1011
= 0111 0001
= 0000 0000
= 1000 0000
= 0110 0000
B
B
B
B
B
B
B
B
B
PCM time slot encoding (pointer to upstream DM)
CFI time slot encoding (address of upstream CM)
CM code for switching a 64 kbit/s/bits 7 … 0
channel (0001)
PCM time slot encoding (pointer to upstream DM)
CFI time slot encoding (address of downstream CM)
CM code for switching a 64 kbit/s/bits 7 … 0
channel (0001)
all bits to high Z
PCM time slot encoding
MOC code to access the tristate field
162
Application Hints
PEB 2055
PEF 2055