MCIMX285AJM4A Freescale Semiconductor, MCIMX285AJM4A Datasheet - Page 29

• Manufacturer Part Number: MCIMX285AJM4A
• Description: Processors - Application Specialized CATSKILLS REV 1.1
• Manufacturer: Freescale Semiconductor
• Type: Multimedia Applicationsr

Specifications of MCIMX285AJM4A

• Product Category: Processors - Application Specialized
• Core: ARM926EJ-S
• Processor Series: i.MX28
• Data Bus Width: 32 bit
• Data Ram Size: 128 KB
• Operating Supply Voltage: 1.35 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Memory Type: L1 Cache, ROM, SRAM

3.5.3
This section includes descriptions of the electrical specifications of EMI module which interfaces
external DDR2 and Mobile-DDR1 (LP-DDR1) memory devices.
3.5.3.1
Figure 5
and Mobile-DDR1 memory devices.
Freescale Semiconductor
DDR1
DDR2
DDR3
ID
and
EMI AC Timing
EMI Command and Address AC Timing
Table 34
CK cycle time
CK high level width
CK low level width
EMI_CLKN
EMI_CLK
EMI_CE0N
EMI_RASN
EMI_CASN
EMI_WEN
EMI_ADDR
specify the timing related to the address and command pins that interfaces DDR2
i.MX28 Applications Processors for Automotive Products, Rev. 3
Description
DDR4
DDR4
Table 34. EMI Command/Address AC Timing
Figure 5. EMI Command/Address AC Timing
bank
row
DDR5
DDR5
Symbol
tCH
tCK
tCL
DDR4
DDR2
0.5 tCK
0.5 tCK
Min.
4.86
–0.5
–0.5
column
DDR1
bank
DDR3
DDR5
Electrical Characteristics
0.5 tCK
0.5 tCK
Max.
+ 0.5
+ 0.5
—
Unit
ns
ns
ns
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