MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1096

• Manufacturer Part Number: MCIMX281AVM4B
• Description: IC MPU I.MX28 1.2 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX281AVM4B

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 454MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, I²S, LCD, POR, PWM, WDT
• Program Memory Size: 128KB (32K x 32)
• Program Memory Type: Mask ROM
• Ram Size: 32K x 32
• Voltage - Supply (vcc/vdd): 1.25 V ~ 5.25 V
• Data Converters: A/D 17x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 289-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

DDR PHY
EMI Core Logic
DDR PHY
Addr, Command &
Data Slice 0
Data Slice 1
Misc I/O control
I /O PADs
External DRAM Device
Figure 14-7. DDR PHY High-Level Block Diagram
14.7.2 DFI
The interface between the EMI core logic and the DDR_PHY is named as “DFI”.
“D” stands for “DRAM Controller” while “FI” is alias to “PHY”.
14.7.3 I/O Timing of Address and Command
The figure below illustrates the I/O timing of Address and Command.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
1096
Freescale Semiconductor, Inc.