PEF2054NV21XT Infineon Technologies, PEF2054NV21XT Datasheet - Page 127

• Manufacturer Part Number: PEF2054NV21XT
• Manufacturer: Infineon Technologies

Specifications of PEF2054NV21XT

• Lead Free Status / Rohs Status: Compliant

Table 19 shows the function taken over by each of the CFI interface pins, depending on
the CFI mode and the values programmed to CIS1 and CIS0.
Table 19
CFI
Mode
0
1
2
3
Figure 46 shows the correlation between physical and logical CFI ports in CFI modes 0,
1, 2 and 3:
Figure 46
Correlation Between Physical and Logical CFI Ports
Semiconductor Group
CFI Mode
OUT0
IN0
OUT1
IN1
OUT2
IN2
OUT3
IN3
Logical Ports:
EPIC
DU0
IN0
IN0
CIS0 = 0
IN
CIS0 = 0
I/O4
0
R
Port 0
Physical
Pins:
DD0
DU0
DD1
DU1
DD2
DU2
DD3
DU3
DD0
OUT0
OUT0
OUT
I/O0
CFI Mode
OUT0
IN0
CMD1:
CIS0
OUT1
IN1
CMD1:
CIS1
Logical Ports:
EPIC
DU1
IN1
IN1
CIS1 = 0
–
I/O5
1
R
Port 1
1
0
1
0
Physical
Pins:
DD0
DU2
DU0
DD1
DU3
DU1
DD1
OUT1
OUT1
high Z
I/O1
127
CFI Mode
OUT
IN
CMD1:
CIS0
Logical Ports:
I/O6
DU2
IN2
IN0
CIS0 = 1
IN
CIS0 = 1
EPIC
2
R
Port 2
0
1
Physical
Pins:
DD2
OUT2
high Z
high Z
I/O2
DD0
DU2
DU0
CFI Mode
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
DU3
IN3
IN1
CIS1 = 1
–
I/O7
Application Hints
Logical Ports:
EPIC
3
Port 3
R
PEB 2055
PEF 2055
DD3
OUT3
high Z
high Z
I/O3
Physical
Pins:
SIP0
SIP1
SIP2
SIP3
SIP4
SIP5
SIP6
SIP7
ITS09549