MCIMX251AJM4 Freescale Semiconductor, MCIMX251AJM4 Datasheet - Page 63

• Manufacturer Part Number: MCIMX251AJM4
• Description: IC MPU IMX25 AUTO 400MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r

Specifications of MCIMX251AJM4

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: 1-Wire, CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, I²S, POR, PWM, WDT
• Number Of I /o: 128
• Program Memory Type: External Program Memory
• Ram Size: 144K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.52 V
• Data Converters: A/D 3x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 400-MAPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Freescale Semiconductor
SD21 DQS – DQ Skew (defines the data valid window in read cycles related to DQS)
SD22 DQS DQ HOLD time from DQS
SD23 DQS output access time from SDCLK posedge
ID
DQS (input)
DQ (input)
SDCLK
SDCLK
Figure 30. Mobile DDR SDRAM DQ versus DQS and SDCLK Read Cycle Timing Diagram
Table 49. Mobile DDR SDRAM Read Cycle Timing Parameters
i.MX25 Applications Processor for Automotive Products, Rev. 8
SD23
SD21
Data
Parameter
SD22
Data
Data
Data
Data
Data
tDQSCK
Symbol
tDQSQ
tQH
Data
Min. Max. Unit
2.3
—
—
Data
0.85
6.7
—
ns
ns
ns
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