PEF 2055 N V2.1 Infineon Technologies, PEF 2055 N V2.1 Datasheet - Page 109

• Manufacturer Part Number: PEF 2055 N V2.1
• Description: IC INTERFACE CTRLR PCM LCC-44
• Manufacturer: Infineon Technologies
• Series: EPICr

Specifications of PEF 2055 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: PEF2055NV2.1X; PEF2055NV21XK; SP000075706

Figure 33 shows the relationship between the PFS, PDC, RCL and DCL signals in the
different CFI modes.
Figure 33
Clock Signal Timing for the Different Prescaler Divisors if CMD1:CSS = 0
Semiconductor Group
PFS
PFS
PDC
RCL
RCL
DCL
DCL
DCL
RCL
RCL
DCL
DCL
DCL
RCL
RCL
DCL
DCL
DCL
109
Conditions:
CMD1
CMD1 : CSM = 0
CFI Modes
CFI Mode 2
CFI Mode
CFI Modes 1 and 2
CFI Mode 0,
CFI Mode
CFI Mode 3,
CFI Modes 1 and 3
CFI Mode
CFI Mode 0,
CFI Modes
CFI Mode
CFI Mode 3,
CFI Mode
CFI Modes
CFI Mode 2
CFI Mode
CFI Modes 1 and 2
CFI Mode 0,
CFI Mode
CFI Mode 3,
:
CSM
0,
3,
2
0,
3,
0,
3,
0,1 and 3
0,
1 and 2
0,1 and 3
Application Hints
CMD2
CMD2 : COC = 0
CMD2
CMD2 : COC = 0
CMD2 : COC = 1
CMD2
CMD2 : COC = 1
CMD2
CMD2
CMD2 : COC = 0
CMD2
CMD2 : COC = 0
=
1
/
/
PMOD : PSM = 1
PMOD
:
:
:
:
:
:
COC
COC
COC
COC
COC
COC
PEB 2055
ITT08048
PEF 2055
:
PSM
=
=
=
=
=
=
1
1
0
0
1
1
=
0