MPC8544VTALF Freescale Semiconductor, MPC8544VTALF Datasheet - Page 275
![MPU POWERQUICC III 783-PBGA](/photos/37/62/376266/mpc8544e_image_sml.jpg)
MPC8544VTALF
Manufacturer Part Number
MPC8544VTALF
Description
MPU POWERQUICC III 783-PBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544VTALF
Processor Type
MPC85xx PowerQUICC III 32-Bit
Speed
667MHz
Voltage
1V
Mounting Type
Surface Mount
Package / Case
783-FCPBGA
Processor Series
MPC85xx
Core
e500
Data Bus Width
32 bit
Maximum Clock Frequency
667 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Data Ram Size
32 KB
I/o Voltage
1.8 V, 3.3 V
Interface Type
I2C, HSSI, DUART
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MPC8544VTALF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MPC8544VTALFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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7.2.1
Figure 7-3
Physical address bits 21–30 identify the bank and set of the tag and data. Physical address bits 0–20 are
compared against the tags of all eight ways. A match of a valid tag selects a 32-byte block of data (or way)
within the set. Physical address bits 31–35 identify the byte or bytes of data within the block.
7.2.2
When all or part of the array is dedicated to memory mapped SRAM, individual ways of each set are
reserved for that purpose. SRAM accesses use physical address bits 18–20 in conjunction with the SRAM
mode to select a way of the indexed set.
Freescale Semiconductor
Tag Lookup
Way Select
Data Read/Write
shows how physical address bits are used to access the L2 cache.
Accessing the On-Chip Array as an L2 Cache
Accessing the On-Chip Array as an SRAM
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Figure 7-3. Physical Address Usage for L2 Cache Accesses
Bank select
21
0
21
Bank select
22 23
22 23
ADDR
ADDR
Set index
Set index
(8 bits)
(8 bits)
ADDR
Tags (21 bits)
30
30
Tag Compare
Way select
(3 bits)
Way
31
20
Byte select
(5 bits)
ADDR
35
8 Tags per Set
L2 Look-Aside Cache/SRAM
7-5
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