MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 57

• Manufacturer Part Number: MCIMX255AJM4AR2
• Description: Processors - Application Specialized IMX25 1.2 AUTO
• Manufacturer: Freescale Semiconductor

Specifications of MCIMX255AJM4AR2

• Core: ARM926EJ-S
• Processor Series: MCIMX25
• Maximum Clock Frequency: 400 MHz
• Instruction / Data Cache Memory: 16 KB
• Data Ram Size: 128 KB
• Operating Supply Voltage: 1.15 V to 1.52 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MAPBGA-400
• Interface Type: USB
• Memory Type: DDR2
• Minimum Operating Temperature: - 40 C

1
2
Freescale Semiconductor
SD1 + SD2 does not exceed 7.5 ns for 133 MHz.
Timing parameters are relevant only to SDR SDRAM. For the specific DDR SDRAM data related timing parameters, see
Table 48
SD10
SD6
SD7
SD8
SD9
ID
SDCLK
SDCLK
and
ADDR
DQM
RAS
CAS
Address setup time
Address hold time
SDRAM access time
Data out hold time
Active to read/write command period
Table
WE
DQ
CS
Table 44. DDR/SDR SDRAM Read Cycle Timing Parameters (continued)
49.
SD4
SD6
i.MX25 Applications Processor for Automotive Products, Rev. 9
BA
Figure 26. SDR SDRAM Write Cycle Timing Diagram
2
SD5
Parameter
SD7
SD11
ROW / BA
SD12
SD1
SD3
SD4
SD13
Symbol
tOH
tAS
tAH
tAC
tRC
SD4
SD4
COL/BA
SD2
DATA
SD5
SD5
SD5
SD14
Min.
2.0
1.8
1.2
10
—
Max.
6.47
—
—
—
—
clock
Unit
ns
ns
ns
ns
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