MCIMX35 Motorola Semiconductor Products, MCIMX35 Datasheet - Page 45

• Manufacturer Part Number: MCIMX35
• Manufacturer: Motorola Semiconductor Products

Freescale Semiconductor
1
SD10 and SD11 are determined by SDRAM controller register settings.
MCIMX35 (i.MX35) Multimedia Applications Processor for Automotive Products Advance Information, Rev. 0
SD10
SD11
SD3
SD6
SD7
ID
SDRAM clock cycle time
Address setup time
Address hold time
Precharge cycle period
Auto precharge command period
SDR SDRAM CLK parameters are measured from the 50% point—that is,
“high” is defined as 50% of signal value and “low” is defined as 50% of
signal value.
The timing parameters are similar to the ones used in SDRAM data sheets.
Table 34
the ESDCTL at the negative edge of SDCLK, and the parameters are
measured at maximum memory frequency.
Table 34. SDRAM Refresh Timing Parameters (continued)
indicates SDRAM requirements. All output signals are driven by
Parameter
Preliminary—Subject to Change Without Notice
1
1
NOTE
Symbol
tRC
tCK
tAS
tAH
tRP
Min.
7.5
1.8
1.8
1
2
Max.
20
—
—
—
4
clock
clock
Unit
ns
ns
ns
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