參數(shù)資料
型號(hào)： MC7447RX867LB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 867 MHz, RISC PROCESSOR, CBGA360
封裝： 25 X 25 MM, 3.24 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-360
文件頁(yè)數(shù)： 53/72頁(yè)
文件大?。?/td> 1598K
代理商： MC7447RX867LB
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 7
Freescale Semiconductor
57
System Design Information
The QACK signal shown in Figure 26 is usually connected to the PCI bridge chip in a system and is an
input to the MPC7457 informing it that it can go into the quiescent state. Under normal operation this
occurs during a low-power mode selection. In order for COP to work, the MPC7457 must see this signal
asserted (pulled down). While shown on the COP header, not all emulator products drive this signal. If the
product does not, a pull-down resistor can be populated to assert this signal. Additionally, some emulator
products implement open-drain type outputs and can only drive QACK asserted; for these tools, a pull-up
resistor can be implemented to ensure this signal is deasserted when it is not being driven by the tool. Note
that the pull-up and pull-down resistors on the QACK signal are mutually exclusive and it is never
necessary to populate both in a system. To preserve correct power-down operation, QACK should be
merged via logic so that it also can be driven by the PCI bridge.
相關(guān)PDF資料
PDF描述
MC7448VS1267NC 32-BIT, 1267 MHz, RISC PROCESSOR, CBGA360
MC7448VU1400NC 32-BIT, 1400 MHz, RISC PROCESSOR, CBGA360
MC7448HX600NC 32-BIT, 600 MHz, RISC PROCESSOR, CBGA360
MC7448VU1400ND 32-BIT, 1400 MHz, RISC PROCESSOR, CBGA360
MC7448VU1267ND 32-BIT, 1267 MHz, RISC PROCESSOR, CBGA360
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC7447RX867NB 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PPC7457RX1000NB
MC7448HX1000LC 功能描述:IC MPU RISC 32BIT 360-FCCBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC74xx 標(biāo)準(zhǔn)包裝:1 系列:MPC85xx 處理器類型:32-位 MPC85xx PowerQUICC III 特點(diǎn):- 速度:1.2GHz 電壓:1.1V 安裝類型:表面貼裝 封裝/外殼:783-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:783-FCPBGA（29x29） 包裝:托盤(pán)
MC7448HX1000LD 功能描述:微處理器 - MPU APL8 RV2.2.1 1.15V 105C 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
MC7448HX1000N 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MPC7448 Hardware Specifications
MC7448HX1000NC 功能描述:IC MPU RISC 32BIT 360-FCCBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC74xx 標(biāo)準(zhǔn)包裝:1 系列:MPC85xx 處理器類型:32-位 MPC85xx PowerQUICC III 特點(diǎn):- 速度:1.2GHz 電壓:1.1V 安裝類型:表面貼裝 封裝/外殼:783-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:783-FCPBGA（29x29） 包裝:托盤(pán)
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*