PEF 2054 N V2.1 Infineon Technologies, PEF 2054 N V2.1 Datasheet - Page 154

• 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

Downstream: CFI port 4, time slot 2, bits 7 … 0 from PCM port 1, time slot 3, bits 7 … 0
The following sequence sets transmit time slot 12 of PCM port 0 to low impedance:
Examples
In PCM mode 1 and CFI mode 3 the following connections shall be programmed:
Upstream: CFI port 5, time slot 7, bits 7 … 0 to PCM port 0, time slot 12, bits 7 … 0
Semiconductor Group
W:MADR = 1001 1000
W:MAAR
W:MACR = 0111 0001
W:MADR = 0000 0111
W:MAAR
W:MACR = 0111 0001
W:MADR =
W:MAAR
W:MACR =
= 1011 1011
= 0001 1000
= 1001 1011
0000 1111
0110 0000
B
B
B
B
B
B
B
B
B
; PCM time slot encoding according to figure 48
; CFI time slot encoding according to figure 48
; CM code for switching a 64 kbit/s channel
; PCM time slot encoding according to figure 48
; CFI time slot encoding according to figure 48
; CM code for switching a 64 kbit/s channel (0001)
; all bits to low Z
; PCM time slot encoding according to figure 48
; MOC code “1100” to access the tristate field
(code “0001”)
154
Application Hints
PEB 2055
PEF 2055