pef20550 Infineon Technologies Corporation, pef20550 Datasheet - Page 254

• Manufacturer Part Number: pef20550
• Description: Extended Line Card Interface Controller Elic
• Manufacturer: Infineon Technologies Corporation

Figure 89 illustrates this behavior.
Figure 89
Write Access to the Control Memory Data and Code Fields
For reading back the CM code field, the command MACR:MOC = 111X is also used, the
value of CMC3 … 0 being don’t care. The code field value can then be read from the
lower 4 bits of MADR.
Semiconductor Group
MACR:
Up-
stream
Down-
stream
0
CFI
Frame
1
0
127
0
127
1
1
Code Field
CMC
3
...
0
Control Memory
MADR:
MD7
.
Data Field
.
254
.
.
.
.
MD0
MAAR:
U/D = 1
U/D = 0
U/D
MA6
Application Hints
.
.
.
PEB 20550
PEF 20550
.
ITD08068
. MA0
01.96