MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1265

• 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

16.2.3.2 4K+128 flash, 10 bytes metadata, 512 byte data blocks, separate
This flash will have 118 bytes available for ECC (after subtracting the metadata size),
therefore, 994 bits. Dividing by 8*13 (number of blocks * ECC level) we get 9.07, therefore
we can support ECC8 on the data blocks. The number of free spare bits becomes
944-8*8*13=944-832=112, divided by 13 = 8.6, therefore the metadata can be also covered
by ECC8.
In this case, there will be additional unused spare bits, with the BCH will pad out with zeros.
Freescale Semiconductor, Inc.
metadata
DATAN_SIZE
DATAN_SIZE
DATA0_SIZE
DATA0_SIZE
META_SIZE
META_SIZE
PAGE_SIZE
PAGE_SIZE
NBLOCKS
NBLOCKS
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Setting
Setting
ECCN
ECCN
ECC0
ECC0
Table 16-1. Settings for 4K+218 FLASH
Table 16-2. Settings for 4K+128 FLASH
Chapter 16 20-BIT Correcting ECC Accelerator (BCH)
4096+218=4314=0x10DA
4096+128=4224=0x1080
512=0x200
512=0x200
10=0x0A
14=0x0E
10=0x0A
16=0x10
Value
Value
0
8
0
8
8
8
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