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參數(shù)資料
| 型號(hào)： | MCF5372 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Microprocessor Data Sheet |
| 中文描述： | 微處理器數(shù)據(jù)表 |
| 文件頁數(shù)： | 19/42頁 |
| 文件大?。?/td> | 787K |
| 代理商： | MCF5372 |
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Preliminary Electrical Characteristics
MCF5373 ColdFire
Microprocessor Data Sheet, Rev. 0.3
Preliminary
Freescale Semiconductor
19
5.4.3.1
If EV
DD
/SDV
DD
are powered up with IV
DD
at 0 V, then the sense circuits in the I/O pads will cause all
pad output drivers connected to the EV
DD
/SDV
DD
to be in a high impedance state. There is no limit on
how long after EV
DD
/SDV
DD
powers up before IV
DD
must powered up. IV
DD
should not lead the EV
DD
,
SDV
DD
or PLLV
DD
by more than 0.4 V during power ramp-up, or there will be high current in the internal
ESD protection diodes. The rise times on the power supplies should be slower than 1
μ
s to avoid turning
on the internal ESD protection clamp diodes.
Power Up Sequence
The recommended power up sequence is as follows:
1. Use 1
μ
s or slower rise time for all supplies.
2. IV
DD
/PLLV
DD
and EV
DD
/SDV
DD
should track up to 0.9 V, then separate for the completion of
ramps with EV
DD
/SD V
DD
going to the higher external voltages. One way to accomplish this is to
use a low drop-out voltage regulator.
5.4.3.2
If IV
DD
/PLLV
DD
are powered down first, then sense circuits in the I/O pads will cause all output drivers
to be in a high impedance state. There is no limit on how long after IV
DD
and PLLV
DD
power down before
EV
DD
or SDV
DD
must power down. IV
DD
should not lag EV
DD
, SDV
DD
, or PLLV
DD
going low by more
than 0.4 V during power down or there will be undesired high current in the ESD protection diodes. There
are no requirements for the fall times of the power supplies.
Power Down Sequence
The recommended power down sequence is as follows:
1. Drop IV
DD
/PLLV
DD
to 0 V.
2. Drop EV
DD
/SDV
DD
supplies.
5.5
Power Consumption Specifications
Estimated maximum RUN mode power consumption measurements are shown in the below figure.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF53721 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor |
| MCF53721CVM240 | 功能描述:微處理器 - MPU MCF5329 DRAGONFIRE 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 |
| MCF5372CAB180 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microprocessor Data Sheet |
| MCF5372L | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor |
| MCF5372LCVM240 | 功能描述:IC MPU RISC 240MHZ 196-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MCF537x 標(biāo)準(zhǔn)包裝:330 系列:- 核心處理器:- 芯體尺寸:8/16-位 速度:40MHz 連通性:UART/USART 外圍設(shè)備:DMA，PWM，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:外部程序存儲(chǔ)器 EEPROM 大小:- RAM 容量:- 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:100-BQFP 包裝:管件 |
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