PEF2054 SIEMENS [Siemens Semiconductor Group], PEF2054 Datasheet - Page 109

• Manufacturer Part Number: PEF2054
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

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