參數(shù)資料
型號： MCF54417CMJ250
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： MICROPROCESSOR, PBGA256
封裝： 12 X 12 MM, ROHS COMPLAINT, MAPBGA-256
文件頁數(shù)： 31/60頁
文件大?。?/td> 1107K
代理商： MCF54417CMJ250
Electrical characteristics
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 6
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
37
4.15.1
eSDHC timing specifications
Figure 20 depicts the timing of eSDHC, and Table 20 lists the eSDHC timing characteristics.
Figure 20. eSDHC timing
Table 20. eSDHC interface timing specifications
ID
Parameter
Symbols
Min
Max
Unit
Card Input Clock
SD1
Clock frequency (low speed)
fPP
1
1 In low speed mode, card clock must be lower than 400 kHz, voltage ranges from 2.7 to 3.6 V.
0
400
kHz
Clock frequency (SD/SDIO full speed)
fPP
2
2 In normal data transfer mode for SD/SDIO card, clock frequency can be any value from 0 to 25 MHz.
040
MHz
Clock frequency (MMC full speed)
fPP
3
3 In normal data transfer mode for MMC card, clock frequency can be any value from 0 to 20 MHz.
020
MHz
Clock frequency (identification mode)
fOD
4
4 In card identification mode, card clock must be 100 kHz– 400 kHz, voltage ranges from 2.7 to 3.6 V.
100
400
kHz
SD2
Clock low time
tWL
7—
ns
SD3
Clock high time
tWH
7—
ns
SD4
Clock rise time
tTLH
—3
ns
SD5
Clock fall time
tTHL
—3
ns
eSDHC Output / card inputs SDHC_CMD, SDHC_DAT (reference to SDHC_CLK)
SD6
eSDHC output delay (output valid)
tOD
–5
5
ns
eSDHC Input / card outputs SDHC_CMD, SDHC_DAT (reference to SDHC_CLK)
SD7
eSDHC input setup time
tISU
5—
ns
SD8
eSDHC input hold time
tIH
0—
ns
SD1
SD3
SD5
SD4
SD7
SDHC_CMD
Output from eSDHC to card
SDHC_DAT[3:0]
SDHC_CMD
Input from card to eSDHC
SDHC_DAT[3:0]
SDHC_CLK
SD2
SD8
SD6
相關PDF資料
PDF描述
MCF54418CMJ250 MICROPROCESSOR, PBGA256
MCF54415CMJ250 MICROPROCESSOR, PBGA256
MCIMX251AJM4A 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
MCIMX255AJM4 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
MCIMX251AVM4 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
相關代理商/技術參數(shù)
參數(shù)描述
MCF54417CMJ250 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA
MCF54418CMJ250 功能描述:微處理器 - MPU COLDFIREV4M CORE C90LP 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF54418CMJ250 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA
MCF5441X 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF5441x ColdFire Microprocessor Data Sheet
MCF54450 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*