PEF 2054 N V2.1 Infineon Technologies, PEF 2054 N V2.1 Datasheet - Page 153

• 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

Disabling the PCM Output Driver
Programming of a 64 kbit/s CFI - PCM Time Slot Connection
– in case the CM code field has not yet been initialized with a switching code:
– in case the CM code field has already been initialized with a switching code:
Enabling the PCM Output Driver for a 64 kbit/s Time Slot
Reading Back a Time Slot Assignment of a Given CFI Time Slot
– reading back the PCM time slot involved:
– reading back the involved bandwidth and PCM subtime slot position:
Cancelling of a Programmed CFI - PCM Time Slot Connection
Semiconductor Group
W:MADR = PCM port and time slot encoded according to figure 48
W:MAAR
W:MACR = 0111 0001
W:MADR = PCM port and time slot encoded according to figure 48
W:MAAR
W:MACR = 0100 1000
W:MADR = XXXX 1111
W:MAAR
W:MACR = 0110 0000
W:MAAR
W:MACR = 1100 1000
wait for STAR:MAC = 0
R:MADR
W:MAAR
W:MACR = 1111 0000
wait for STAR:MAC = 0
R:MADR
W:MADR = don’t care
W:MAAR
W:MACR = 0111 0000
W:MADR = XXXX 0000
W:MAAR
W:MACR = 0110 0000
= CFI port and time slot encoded according to figure 48
= CFI port and time slot encoded according to figure 48
= PCM port and time slot encoded according to figure 48
= CFI port and time slot encoded according to figure 48
= PCM port and time slot encoded according to figure 48
= CFI port and time slot encoded according to figure 48
= XXXX code; 4 bit bandwidth code encoded according to table 24
= CFI port and time slot encoded according to figure 48
= PCM port and time slot encoded according to figure 48
B
B
B
B
B
B
B
B
B
= 71
= 48
= 60
= C8
= F0
= 70
= 60
= XF
= X0
H
H
H
H
H
H
H
H
H
; code “0000” (unassigned channel)
153
Application Hints
PEB 2055
PEF 2055