參數(shù)資料
型號(hào): MC7447RX1267LB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 1267 MHz, RISC PROCESSOR, CBGA360
封裝: 25 X 25 MM, 3.20 MM HEIGHT, 1.27 MM PITCH, CERAMIC, FLIP CHIP, BGA-360
文件頁(yè)數(shù): 87/87頁(yè)
文件大?。?/td> 1586K
代理商: MC7447RX1267LB
MOTOROLA
MPC7457 RISC Microprocessor Hardware Specifications
9
Comparison with the MPC7455, MPC7445, MPC7450, MPC7451, and MPC7441
L1 I Cache/D Cache Features
Size
32K/32K
Associativity
8-way
Locking granularity
Way
Parity on I cache
Word
Parity on D cache
Byte
Number of D cache misses (load/store)
5/1
Data stream touch engines
4 streams
On-Chip Cache Features
Cache level
L2
Size/associativity
512-Kbyte/8-way
256-Kbyte/8-way
Access width
256 bits
Number of 32-byte sectors/line
2
Parity
Byte
Off-Chip Cache Support 1
Cache level
L3
Total SRAM space supported
1 MB, 2MB, 4 MB 2
1 MB, 2 MB
On-chip tag logical size (cache space)
1MB, 2MB
Associativity
8-way
Number of 32-byte sectors/line
2, 4
Off-Chip data SRAM support
MSUG2 DDR, LW, PB2 MSUG2 DDR, LW, PB2 MSUG2 DDR, LW, PB2
Data path width
64
Direct mapped SRAM sizes
1 MB, 2 MB, 4MB
1 MB, 2 MB
Parity
Byte
Notes:
1. Not implemented on MPC7447, MPC7445, or MPC7441
2. The MPC7457 supports up to 4 MB of SRAM, of which a maximum of 2 MB can be configured as cache memory;
the remaining 2 MB may be unused or configured as private memory.
Table 1. Microarchitecture Comparison (continued)
Microarchitectural Specs
MPC7457/MPC7447
MPC7455/MPC7445
MPC7450/MPC7451/
MPC7441
相關(guān)PDF資料
PDF描述
MC7447RX1200LB 32-BIT, 1200 MHz, RISC PROCESSOR, CBGA360
MC7457VG1200LC 32-BIT, 1200 MHz, RISC PROCESSOR, CBGA483
MC7447RX867LB 32-BIT, 867 MHz, RISC PROCESSOR, CBGA360
MC7448VS1267NC 32-BIT, 1267 MHz, RISC PROCESSOR, CBGA360
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