參數(shù)資料
型號(hào)： MPC855TVR66D4
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 9/15頁(yè)
文件大?。?/td> 0K
描述： IC MPU POWERQUICC 66MHZ 357-PBGA
標(biāo)準(zhǔn)包裝： 44
系列： MPC8xx
處理器類型： 32-位 MPC8xx PowerQUICC
速度： 66MHz
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(pán)
MOTOROLA
MPC855T Communications Controller Technical Summary
3
MPC855T Key Features
– Transmission convergence (TC) function for T1/E1/ADSL lines
– Cell delineation
– Cell payload scrambling/descrambling
– Automatic idle/unassigned cell insertion/stripping
– Header error control (HEC) generation, checking, and statistics
– Glueless interface to Motorola CopperGold ADSL transceiver
— Receive VP/VC connection lookup mechanisms, including:
– Internal sequential lookup table supporting up to 32 connections
– Support for up to 64K connections using external memory via address compression or
content-addressable memory (CAM)
— Independent transmit/receive buffer descriptor ring data structures for each connection
— Interrupt report per channel using exception queue
— Supports 53-byte or up to 64-byte (expanded) ATM cells
— AAL5 segmentation and reassembly (SAR) features for segmentation
– Segment CPCS_PDU directly from system memory
– CPCS_PDU padding
– CRC32 generation
– Automatic last cell marking (in PTI eld of cell header)
– Automatic CS_UU, CPI, and LENGTH insertion in last cell
— AAL5 segmentation and reassembly (SAR) features for reassembly:
– Reassembles CPCS_PDU directly into system memory
– Removes CPCS_PDU padding
– CRC32 checking
– CS_UU, CPI, and LENGTH reporting
– CLP and congestion reporting
– Interrupts per buffer or per message
– Error reporting, including CRC, length mismatch, message abort
— AAL0 features for transmit include the following:
– Transmits user-dened cell from transmit emory buffer
– Automatic HEC generation
– Optional CRC10 insertion
— AAL0 features for receive include the following:
– Copies entire cell into receive memory buffer
– Provides interrupt per cell
– Optional CRC10 checking
Embedded MPC8xx core with 106 MIPS at 80 MHz (using Dhrystone 2.1)
— Single-issue, 32-bit version of the embedded MPC8xx core (fully compatible with the
PowerPC user instruction set architecture; refer to the Programming Environments Manual for
32-Bit Implementations of the PowerPC Architecture for more information) with 32- x 32-bit
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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MPC855TZQ50D4R2 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
MPC855TZQ66D4 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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