MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 992
MCIMX281AVM4B
Manufacturer Part Number
MCIMX281AVM4B
Description
IC MPU I.MX28 1.2 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(2327 pages)
2.MCIMX283DVM4B.pdf
(20 pages)
3.MCIMX281AVM4B.pdf
(72 pages)
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
- Current page: 992 of 2327
- Download datasheet (17Mb)
NAND Boot Mode
12.12.1.14 Discovered Bad Block Table Header Layout Block Structure
The first 512 bytes of the DBBT header structure are as follows:
12.12.1.15 Discovered Bad Block Table Layout Block Structure and
The actual bad block table structure is as follows:
12.12.2 Typical NAND Page Organization
This section discusses the typical NAND page organization. In particular, it discusses the
BCH ECC page organization, metadata requirements, and efuses/OTP bits used by the ROM
NAND driver
992
m_u32Checksum
m_u32FingerPrint
m_u32Version
m_u32NumberBB
m_u32Number2KPagesBB
—
u32BadBlock
uNumberBB
uNAND
Name
Name
and Definitions
Definitions
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Table 12-32. Bad Block Table Structure
Table 12-31. DPPT Header Structure
0
4
8
12
16
20
Start Byte
Start Byte
0
4
8
4
4
4
4
4
492
Size in Bytes
Size in Bytes
2040
4
4
32 bit checksum of 508 bytes of DBBT
data from offset 4 to 512 XOR with
0xFFFF_FFFF
32 bit word with a value of 0x54424244,
in ascii “DBBT”
32 bit version number; this version of
DBBT is 0x0100_0000
Number of bad blocks present in the table.
Bad blocks consume these many 2048
byte size pages.
Spare bytes, should be set to 0.
NAND number
Number of entries in DBBT
Array or Table for bad block entries, each
4 byte word in this array contain the block
number that is bad.
Description
Freescale Semiconductor, Inc.
Description
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