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参数资料
| 型号： | MCF5307FT90B |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 90 MHz, RISC PROCESSOR, PQFP208 |
| 封装： | 28 X 28 MM, PLASTIC, QFP-208 |
| 文件页数： | 3/30页 |
| 文件大小： | 117K |
| 代理商： | MCF5307FT90B |
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MOTOROLA
MCF5307 Product Brief
11
PLL Module
Overview
The MCF5307 PLL module has three modes of operation:
1. Normal mode
2. Reduced power mode
3. Reset mode
Normal Mode Input
Frequency
In normal mode, an input frequency to the MCF5307 can range from 16.67
MHz to 45 MHz. This input frequency is programmed at reset and clock-
doubled to provide the processor clock and then is divided down to provide
the bus clock output. The bus clock is programmed to 1/2, 1/3, or 1/4 of the
core clock.
Reduced Power Mode
In reduced power mode, the PLL core clock is shut off by a combination of
executing the STOP instruction and programming a control bit in the System
Conguration register. This low-power mode allows the core to be turned off
while retaining the core register contents.
Reset Mode
When the MCF5307 RESET pin is asserted, the PLL enters reset mode. At
reset, the PLL asserts RESETO to the rest of the processor and as an external
pin from the MCF5307. The system input frequency range, MCF5307 bus
clock frequency (along with other MCF5307 conguration information) are
all sampled during reset mode.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCF5307TR | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:UART MODULE |
| MCF5327 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor |
| MCF5327CVM240 | 功能描述:微处理器 - MPU MCF5329 V2-CORE RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MCF5327CVM240J | 制造商:Freescale Semiconductor 功能描述:MPC5XXX RISC 32-BIT CMOS 240MHZ 196-PIN MA-BGA TRAY - Trays |
| MCF5328 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor |
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