Device Nomenclature
local Freescale sales office. In addition to the processor frequency, the part numbering scheme also
includes an application modifier which may specify special application conditions. Each part number also
contains a revision code which refers to the die mask revision number.
Table 52. Part Numbering Nomenclature
MPC
nnnn
Product
Part
Encryption
Code Identifier Acceleration
MPC
8555
Blank = not
included
E = included
t
Temperature
Range
1
pp
Package
2
aa
Processor
Frequency
3
AJ = 533 MHz
AK = 600 MHz
AL = 667 MHz
AP = 833 MHz
AQ = 1000 MHZ
a
Platform
Frequency
D = 266 MHz
E = 300 MHz
F = 333 MHz
r
Revision
Level
4
Blank = 0 to 105°C PX = FC-PBGA
C = –40 to 105°C
VT = FC-PBGA
(lead free)
Notes:
1. For Temperature Range=C, Processor Frequency is limited to 667 MHz with a Platform Frequency selector of 333 MHz,
Processor Frequency is limited to 533 MHz with a Platform Frequency selector of 266 MHz.
2. See
for more information on available package types.
3. Processor core frequencies supported by parts addressed by this specification only. Not all parts described in this
specification support all core frequencies. Additionally, parts addressed by Part Number Specifications may support other
maximum core frequencies.
4. Contact you local Freescale field applications engineer (FAE).
19.2
Part Marking
Parts are marked as the example shown in
MPCnnnn
MPC85nn
xPXxxxn
tppaaar
MMMMM
ATWLYYWWA
CCCCC
Notes
:
MMMMM is the 5-digit mask number.
ATWLYYWWA is the traceability code.
CCCCC is the country of assembly. This space is left blank if parts are assembled in the United States.
85xx
FC-PBGA
Figure 53. Part Marking for FC-PBGA Device
MPC8555E PowerQUICC™ III Integrated Communications Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
85
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
