參數(shù)資料
型號: MCIMX507CVM8B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA400
封裝: 17 X 17 MM, 0.5 MM PITCH, ROHS COMPLIANT, PLASTIC, MABGA-400
文件頁數(shù): 95/120頁
文件大?。?/td> 1980K
代理商: MCIMX507CVM8B
i.MX50 Applications Processors for Consumer Products, Rev. 0
76
Freescale Semiconductor
Electrical Characteristics
4.9.3.2
eMMC4.4 (Dual Data Rate) eSDHCv3 and uSDHC AC Timing
Figure 37 depicts the timing of eMMC4.4, and Table 52 lists the eMMC4.4 timing characteristics. Be
aware that only DAT0-7 is sampled on both edges of clock (not applicable to CMD).
Figure 37. eMMC4.4 Timing
eSDHC Output/Card Inputs CMD, DAT (Reference to CLK)
SD6
eSDHC Output Delay
tOD
–2
2
ns
eSDHC Input/Card Outputs CMD, DAT (Reference to CLK)
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 0–25 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 0–20 MHz. In high-speed mode, clock
frequency can be any value between 0–52 MHz.
4 To satisfy hold timing, the delay difference between clock input and cmd/data input must not exceed 2 ns.
Table 52. 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)
Table 51. 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
......
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX508CVK8A 制造商:Freescale Semiconductor 功能描述:CODEX 13MM W/2025D - Bulk
MCIMX508CVK8B 功能描述:處理器 - 專門應(yīng)用 Codex 1.1 13mm RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MCIMX508CVK8BR2 功能描述:處理器 - 專門應(yīng)用 Codex 1.1 13mm RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
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