MCIMX287CVM4B Freescale, MCIMX287CVM4B Datasheet - Page 53

• Manufacturer Part Number: MCIMX287CVM4B
• Manufacturer: Freescale

Specifications of MCIMX287CVM4B

• Lead Free Status / RoHS Status: Compliant

3.4.14
This section describes the electrical information of the SSP, which includes SD/MMC4.3 (Single Data
Rate) timing, MMC4.4 (Dual Date Rate) timing, MS (Memory Stick) timing, and SPI timing.
3.4.14.1
Figure 36
Freescale Semiconductor
Card Input Clock
SSP Output / Card Inputs CMD, DAT (Reference to CLK)
SSP Input / Card Outputs CMD, DAT (Reference to CLK)
SD1
SD2
SD3
SD4
SD5
SD6
ID
Clock Frequency (Low Speed)
Clock Frequency (SD/SDIO Full Speed/High
Speed)
Clock Frequency (MMC Full Speed/High Speed)
Clock Frequency (Identification Mode)
Clock Low Time
Clock High Time
Clock Rise Time
Clock Fall Time
SSP Output Delay
output from SSP to card
input from card to SSP
depicts the timing of SD/MMC4.3, and
Synchronous Serial Port (SSP) AC Timing
SD/MMC4.3 (Single Data Rate) AC Timing
i.MX28 Applications Processor Data Sheet for Consumer Products, Rev. 0
Parameter
Table 57. SD/MMC4.3 Interface Timing Specification
DAT0
......
DAT7
CMD
DAT1
DAT0
......
DAT7
SCK
CMD
DAT1
Figure 36. SD/MMC4.3 Timing
SD3
SD5
SD6
SD2
Table 57
SD4
SD7
Symbols
t
t
f
f
f
t
f
t
t
PP
PP
PP
TLH
THL
WH
OD
WL
OD
lists the SD/MMC4.3 timing characteristics.
1
2
3
SD8
SD1
Min
100
—
—
-5
0
0
0
7
7
25/50
20/52
Max
400
400
—
—
3
3
5
Unit
MHz
MHz
kHz
kHz
ns
ns
ns
ns
ns
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