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參數(shù)資料
| 型號： | MCF5235CVM150 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 150 MHz, RISC PROCESSOR, PBGA256 |
| 封裝： | MAPBGA-256 |
| 文件頁數(shù)： | 27/76頁 |
| 文件大小： | 2665K |
| 代理商： | MCF5235CVM150 |
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MOTOROLA
MCF523x Integrated Microprocessor Hardware Specifications
33
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Power Supply
4.2
Power Supply
33
F, .1 F and .01 F across each power supply
4.3
Decoupling
Place the decoupling caps as close to the pins as possible, but they can be outside the footprint of
the package.
.1
F and .01 F at each supply input
4.4
Buffering
Use bus buffers on all data/address lines for all off-board accesses and for all on-board accesses
when excessive loading is expected. See Section 6, “Preliminary Electrical Characteristics.”
4.5
Pull-up Recommendations
Use external pull-up resistors on unused inputs. See pin table.
4.6
Clocking Recommendations
Use a multi-layer board with a separate ground plane.
Place the crystal and all other associated components as close to the EXTAL and XTAL (oscillator
pins) as possible.
Do not run a high frequency trace around crystal circuit.
Ensure that the ground for the bypass capacitors is connected to a solid ground trace.
Tie the ground trace to the ground pin nearest EXTAL and XTAL. This prevents large loop
currents in the vicinity of the crystal.
Tie the ground pin to the most solid ground in the system.
Do not connect the trace that connects the oscillator and the ground plane to any other circuit
element. This tends to make the oscillator unstable.
Tie XTAL to ground when an external oscillator is clocking the device.
4.7
Interface Recommendations
4.7.1
SDRAM Controller
4.7.1.1
SDRAM Controller Signals in Synchronous Mode
Table 20 shows the behavior of SDRAM signals in synchronous mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5235CVM150 | 制造商:Freescale Semiconductor 功能描述:Microprocessor IC |
| MCF5235CVM150J | 功能描述:32位微控制器 - MCU V2CORE 64KSRAM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
| MCF5235CVM150J | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU 150 MHz 256-BGA |
| MCF5235EC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
| MCF523X | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
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