參數(shù)資料
型號(hào): MPC859TZP133
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Hardware Specifications
中文描述: 硬件規(guī)格
文件頁(yè)數(shù): 2/92頁(yè)
文件大?。?/td> 1274K
代理商: MPC859TZP133
2
MPC866/859 Hardware Specifications
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Features
Table 1 shows the functionality supported by the members of the MPC866/859 family.
2
Features
The following list summarizes the key MPC866/859 features:
Embedded single-issue, 32-bit PowerPC core (implementing the PowerPC architecture) with
thirty-two 32-bit general-purpose registers (GPRs)
— The core performs branch prediction with conditional prefetch, without conditional execution
— 4- or 8-Kbyte data cache and 4- or 16-Kbyte instruction cache (see Table 1)
– 16-Kbyte instruction cache (MPC866P and MPC859P) is four-way, set-associative with 256
sets; 4-Kbyte instruction cache (MPC866T, MPC859T, and MPC859DSL) is two-way,
set-associative with 128 sets.
– 8-Kbyte data cache (MPC866P and MPC859P) is two-way, set-associative with 256 sets;
4-Kbyte data cache(MPC866T, MPC859T, and MPC859DSL) is two-way, set-associative
with 128 sets.
– Cache coherency for both instruction and data caches is maintained on 128-bit (4-word)
cache blocks
– Caches are physically addressed, implement a least recently used (LRU) replacement
algorithm, and are lockable on a cache block basis.
— MMUs with 32-entry TLB, fully associative instruction and data TLBs
— MMUs support multiple page sizes of 4, 16, and 512 Kbytes, and 8 Mbytes; 16 virtual address
spaces and 16 protection groups.
— Advanced on-chip-emulation debug mode
The MPC866/859 provides enhanced ATM functionality over that of the MPC860SAR. The
MPC866/859 adds major new features available in 'enhanced SAR' (ESAR) mode, including the
following:
— Improved operation, administration, and maintenance (OAM) support
— OAM performance monitoring (PM) support
Table 1. MPC866 Family Functionality
Part
Cache
Ethernet
SCC
SMC
Instruction
Data
10T
10/100
MPC866P
16 Kbytes
8 Kbytes
Up to 4
1
4
2
MPC866T
4 Kbytes
4 Kbytes
Up to 4
1
4
2
MPC859P
16 Kbytes
8 Kbytes
1
1
1
2
MPC859T
4 Kbytes
4 Kbytes
1
1
1
2
MPC859DSL
4 Kbytes
4 Kbytes
1
1
1
1
1
On the MPC859DSL, the SCC (SCC1) is for ethernet only. Also, the MPC859DSL does not support the Time Slot
Assigner (TSA).
On the MPC859DSL, the SMC (SMC1) is for UART only.
For more details on the MPC852T, please refer to the
MPC852T Hardware Specifications.
1
2
2
MPC852T
3
3
4 KBytes
4 Kbytes
2
1
2
1
F
Freescale Semiconductor, Inc.
n
.
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