參數(shù)資料
型號(hào)： MCF53013CQT240
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： MICROPROCESSOR, PQFP208
封裝： 28 X 28 MM, ROHS COMPLIANT, LQFP-208
文件頁數(shù)： 37/62頁
文件大?。?/td> 2365K
代理商： MCF53013CQT240
MCF5301x Data Sheet, Rev. 5
Preliminary—Subject to Change Without Notice
Preliminary Electrical Characteristics
Freescale Semiconductor
42
5.16.2
eSDHC Electrical DC Characterisics
Table 28 lists the eSDHC electrical DC characteristics.
Table 27. eSDHC Interfacde 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.
025
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
tOD
–5
5
ns
eSDHC Input / Card Outputs SDHC_CMD, SDHC_DAT (Reference to SDHC_CLK)
SD7
eSDHC Input Setup Time
tISU
4—
ns
SD8
eSDHC Input Hold Time
tIH
0—
ns
Table 28. MMC/SD Interface Electrical Specifications
Num
Parameter
Design
Value
Min
Max
Unit
Condition/Remark
General
1
Peak Voltage on All Lines
—
–0.3
VDD + 0.3
V
All Inputs
2
Input Leakage Current
—
–10
10
uA
All Outputs
3
Output Leakage Current
—
–10
10
uA
Power Supply
4
Supply Voltage (HV card)
3.1
2.7
3.6
V
for high voltage cards, must
provide this voltage for card
initialization
5
Supply Voltage (LV card)
1.8
1.65
1.95
V
for low voltage cards
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