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| 型號： | MC68360RC25V |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | QUad Integrated Communications Controller Users Manual |
| 中文描述： | RISC MICROCONTROLLER, CPGA241 |
| 封裝： | PGA-241 |
| 文件頁數(shù)： | 4/28頁 |
| 文件大小： | 159K |
| 代理商： | MC68360RC25V |
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4
MC68360 USER’S MANUAL ERRATA
MOTOROLA
Section 5– CPU32+
1. Error in figure
On page 5-3, the data bus on figure 5-1 shows the data bus to be 16 bit. This is not correct,
the data bus on the QUICC is 32 bit wide.
Section 6 – System Integration Module
1. Added Information On Crystal Operation.
On page 6-13 the following sections should be added:
6.5.1.1 Using Oscillator as Input Clock
The preferred mode of operation of the 68360 is by driving the EXTAL pin with the output of
an oscillator. Oscillators are more costly than crystal circuits but are not subject to the same
sensitivity as crystal circuits. You have the choice of using a full speed oscillator (i.e. 25 MHz
oscillator) or using a lower speed oscillator such as 4 MHz or 32 kHz and having the system
frequency generated by the on-board PLL. Use of a lower speed oscillator will allow your
system to draw less power in a power-down mode.
NOTE
There are some limits to the speed of the oscillator that you can
use in certain situations. Please see Additional Information:
Phase Lock Loop for a description of these special situations.
6.5.1.2 Using Crystal as Input Clock
The 68360 has the ability to use a low speed crystal as its clock source. The on-chip PLL
can multiply the output of the crystal circuit up to the final system frequency. A crystal circuit
consists of a parallel resonant crystal, two capacitors, and two resistors. Example values for
both a 32kHz crystal and a 4MHz crystal are shown in Figures 6-6 and 6-6A. Note that these
are example values. Your circuit may require slightly different values to operate properly.
Crystals are typically much cheaper than similar speed oscillators. However, they may not
be as stable since they are affected by parameters such as: trace length, component quality,
board layout, 68360 package type, 68360 shrink level, etc. While crystal circuits are typically
stable, it is impossible to guarantee that they will remain stable due to 68360 process
changes or external component shifts.
Freescale Semiconductor, Inc.
NOTE
The internal frequency of the 68360 and the output of the CLKO
pins is dependent upon both the quality of the crystal circuit and
the multiplication factor (MF) used in the PLLCR register. Please
F
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料 |
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| MC68360RC33 | QUad Integrated Communications Controller Users Manual |
| MC68360ZP25 | QUad Integrated Communications Controller Users Manual |
| MC68040 | Errata and Added Information to MC68360 Quad Integrated Communication Controller User Manual Rev 1 |
| MC68360 | 32-Bit Microprocessor(32位微處理器) |
| MC6840 | Programmable Timer Module(PTM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68360RC33 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:QUad Integrated Communications Controller Users Manual |
| MC68360RC33L | 功能描述:微處理器 - MPU QUICC SIM 4SCC 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 |
| MC68360TUT | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:TUTORIAL A QUICC-START |
| MC68360UM | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MC68360 QUad Integrated Communication Controller (QUICCa?￠) |
| MC68360UM/AD | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MC68360 QUad Integrated Communication Controller |
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