MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 983

• Manufacturer Part Number: MCIMX286CVM4B
• Description: IC MPU I.MX286 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX286CVM4B

• 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: Compliant

12.12.1.6 NAND Patch Boot using FCB
A secondary mechanism to boot NAND patch image is implemented in i.MX28 ROM. A
flag is used in the FCB data structure which indicates to the ROM to boot the patch binary
image present on the second page of first good block of NAND. If this flag is set, the ROM
does not try to locate other boot blocks, but rather starts loading the patch image.
12.12.1.7 Expected NAND Layout
This section shows several potential expected NAND layouts.
The following figure shows the default layout if no efuses are blown.
Freescale Semiconductor, Inc.
Figure 12-7. Expected NAND Layout with search count = 4 and search stride = 1*64
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
FCB Search Area
DBBT Search Area
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Firmware Configuration Block
Firmware Configuration Block
Firmware Configuration Block
Firmware Configuration Block
Discovered Bad Block Table
Discovered Bad Block Table
Discovered Bad Block Table
Discovered Bad Block Table
Boot Firmware 1
Boot Firmware 2
(DBBT)
(DBBT)
(DBBT)
(DBBT)
(FCB)
(FCB)
(FCB)
(FCB)
Chapter 12 Boot Modes
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