參數(shù)資料
型號: MC68MH360AI25L
廠商: Freescale Semiconductor
文件頁數(shù): 75/158頁
文件大?。?/td> 0K
描述: IC MPU QUICC 25MHZ 240-FQFP
標(biāo)準(zhǔn)包裝: 24
系列: M683xx
處理器類型: M683xx 32-位
速度: 25MHz
電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 240-BFQFP
供應(yīng)商設(shè)備封裝: 240-FQFP(32x32)
包裝: 托盤
Chapter 1.Overview
Figure 1-3. Internal Routing for Ethernet-to-BRI Bridge Using MC68EN360
The following example shows how an MC68MH360 can implement the BRI using only one
SCC, leaving SCC3 and SCC4 available to run other protocols such as frame relay over
HDLC and another Ethernet link, on SCC1, to the LAN. The QMC protocol allows all three
channels B1, B2, and D to be routed to SCC2 using the TSA. The rst byte (B1) is routed
to logical channel 1, the second byte (B2) to logical channel 2, and the third byte to logical
channel 3, of which only the rst 2 bits represent the D channel as illustrated in Figure 1-4
and Figure 1-5. This routing is dened in the QMC time slot assignment tables. The rst
advantage of the QMC protocol is that it releases SCCs to run other protocols. The second
advantage is highlighted in the next example.
E
B1B2D
U
Memory
EN360
SCC1
SCC2
SCC3
SCC4
SMC1
SMC2
NMSI
TSA
Ethernet
UART
BRI ISDN
B1
B2
D
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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MC68MH360CVR25L 功能描述:微處理器 - MPU QUICC 2SMC 1SPI 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 最大時鐘頻率:536 MHz 程序存儲器大小: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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