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參數(shù)資料
| 型號(hào)： | MPC8266CZU |
| 廠商： | Motorola, Inc. |
| 英文描述： | MPC826xA (HiP4) Family Hardware Specifications |
| 中文描述： | MPC826xA（HiP4）家庭硬件規(guī)格 |
| 文件頁數(shù)： | 2/48頁 |
| 文件大?。?/td> | 315K |
| 代理商： | MPC8266CZU |
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MPC826xA (HiP4) Family Hardware Specifications
MOTOROLA
Features
Figure 1 shows the block diagram for the MPC826, the HiP4 superset device. Shaded portions indicate
functionality that is not available on all devices; refer to the notes.
Figure 1. MPC8266 Block Diagram
1.1
Features
The major features of the MPC826xA family are as follows:
Dual-issue integer core
— A core version of the EC603e microprocessor
— System core microprocessor supporting frequencies of 150–300 MHz
— Separate 16-Kbyte data and instruction caches:
– Four-way set associative
– Physically addressed
– LRU replacement algorithm
— PowerPC architecture-compliant memory management unit (MMU)
— Common on-chip processor (COP) test interface
16 Kbytes
I-Cache
G2 Core
I-MMU
16 Kbytes
D-Cache
D-MMU
Communication Processor Module (CPM)
Timers
Parallel I/O
Baud Rate
Generators
32 Kbytes
Dual-Port RAM
32-bit RISC Microcontroller
and Program ROM
Serial
DMAs
4 Virtual
IDMAs
60x-to-PCI
Bridge
2,3
60x-to-Local
Bridge
Memory Controller
Clock Counter
System Functions
System Interface Unit
(SIU)
Local Bus
32 bits, up to 83 MHz
PCI Bus
2,3
32 bits, up to 66 MHz
or
MCC1
4
MCC2
FCC1
FCC2
FCC3
4
SCC1
SCC2
SCC3
SCC4
SMC1
SMC2
SPI
I
2
C
Serial Interface
3 MII
Ports
6
2 UTOPIA
Ports
60x Bus
MiIMA
1,3
Interrupt
Controller
Time Slot Assigner
TC Layer Hardware
1,3
8 TDM Ports
5
Non-Multiplexed
I/O
Bus Interface Unit
Notes:
1
MPC8264
2
MPC8265
3
MPC8266
4
Not on MPC8255
5
4 TDM ports on the MPC8255
6
2 MII ports on the MPC8255
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