参数资料
型号: MCIMX534AVV8C
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封装: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件页数: 153/178页
文件大小: 4711K
代理商: MCIMX534AVV8C
i.MX53xA Automotive and Infotainment Applications Processors, Rev. 3
76
Freescale Semiconductor
Electrical Characteristics
4.7.4.2
eMMC4.4 (Dual Data Rate) eSDHCv3 AC Timing
Figure 37 depicts the timing of eMMC4.4. Table 50 lists the eMMC4.4 timing characteristics. Be aware
that only DATA is sampled on both edges of the clock (not applicable to CMD).
Figure 37. eMMC4.4 Timing
SD7
eSDHC Input Setup Time
tISU
2.5
ns
SD8
eSDHC Input Hold Time4
tIH
2.5
ns
1 In low speed mode, card clock must be lower than 400 kHz, voltage ranges from 2.7 to 3.6 V.
2 In normal (full) speed mode for SD/SDIO card, clock frequency can be any value between 025 MHz. In high-speed mode,
clock frequency can be any value between 0
50 MHz.
3 In normal (full) speed mode for MMC card, clock frequency can be any value between 020 MHz. In high-speed mode, clock
frequency can be any value between 0
52 MHz.
4To satisfy hold timing, the delay difference between clock input and cmd/data input must not exceed 2 ns.
Table 50. eMMC4.4 Interface Timing Specification
ID
Parameter
Symbols
Min
Max
Unit
Card Input Clock
SD1
Clock Frequency (MMC Full Speed/High Speed)
fPP
052
MHz
eSDHC Output / Card Inputs CMD, DAT (Reference to CLK)
SD2
eSDHC Output Delay
tOD
–5
5
ns
eSDHC Input / Card Outputs CMD, DAT (Reference to CLK)
Table 49. SD/eMMC4.3 Interface Timing Specification (continued)
ID
Parameter
Symbols
Min
Max
Unit
SD1
SD2
SD3
output from eSDHCv3 to card
DAT1
......
DAT7
DAT0
input from card to eSDHCv3
DAT1
......
DAT7
DAT0
SCK
SD4
SD2
......
相关PDF资料
PDF描述
MCP23008T-E/SO 8 I/O, PIA-GENERAL PURPOSE, PDSO18
MCP23008-E/ML 8 I/O, PIA-GENERAL PURPOSE, PQCC20
MCP23S08T-E/ML 8 I/O, PIA-GENERAL PURPOSE, PQCC20
MCP23S08T-E/SS 8 I/O, PIA-GENERAL PURPOSE, PDSO20
MCP23008-E/P 8 I/O, PIA-GENERAL PURPOSE, PDIP18
相关代理商/技术参数
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