參數(shù)資料
型號(hào)： MPC857DSLVR50B
廠商： Freescale Semiconductor
文件頁數(shù)： 12/88頁
文件大?。?/td> 0K
描述： IC MPU POWERQUICC 50MHZ 357-PBGA
標(biāo)準(zhǔn)包裝： 44
系列： MPC8xx
處理器類型： 32-位 MPC8xx PowerQUICC
速度： 50MHz
電壓： 3.3V
安裝類型： 表面貼裝
封裝/外殼： 357-BBGA
供應(yīng)商設(shè)備封裝： 357-PBGA（25x25）
包裝： 托盤
MPC862/857T/857DSL PowerQUICC Family Hardware Specifications, Rev. 3
2
Freescale Semiconductor
Overview
1Overview
The MPC862/857T/857DSL is a derivative of Freescale’s MPC860 PowerQUICC family of devices. It
is a versatile single-chip integrated microprocessor and peripheral combination that can be used in a
variety of controller applications and communications and networking systems. The
MPC862/857T/857DSL provides enhanced ATM functionality over that of other ATM-enabled members
of the MPC860 family.
Table 1 shows the functionality supported by the members of the MPC862/857T/857DSL family.
2Features
The following list summarizes the key MPC862/857T/857DSL features:
Embedded single-issue, 32-bit MPC8xx 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 (MPC862P) is four-way, set-associative with 256 sets; 4-Kbyte
instruction cache (MPC862T, MPC857T, and MPC857DSL) is two-way, set-associative
with 128 sets.
– 8-Kbyte data cache (MPC862P) is two-way, set-associative with 256 sets; 4-Kbyte data
cache (MPC862T, MPC857T, and MPC857DSL) 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
Table 1. MPC862 Family Functionality
Part
Cache
Ethernet
SCC
SMC
Instruction
Cache
Data Cache
10T
10/100
MPC862P
16 Kbyte
8 Kbyte
Up to 4
1
4
2
MPC862T
4 Kbyte
Up to 4
1
4
2
MPC857T
4 Kbyte
1
2
MPC857DSL
4 Kbyte
1
1 1
1
On the MPC857DSL, the SCC (SCC1) is for ethernet only. Also, the MPC857DSL does
not support the Time Slot Assigner (TSA).
1 2
2
On the MPC857DSL, the SMC (SMC1) is for UART only.
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MPC857DSLVR66B 功能描述:微處理器 - MPU POWER QUICC - NO PB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC857DSLZQ50B 功能描述:微處理器 - MPU POWER QUICC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC857DSLZQ66B 功能描述:微處理器 - MPU POWER QUICC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC857TCVR66B 功能描述:微處理器 - MPU POWER QUICC -NO PB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC857TCVR80B 功能描述:微處理器 - MPU POWER QUICC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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