MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1273
MCIMX286CVM4B
Manufacturer Part Number
MCIMX286CVM4B
Description
IC MPU I.MX286 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(70 pages)
2.MCIMX283DVM4B.pdf
(2 pages)
3.MCIMX283DVM4B.pdf
(2327 pages)
4.MCIMX283DVM4B.pdf
(20 pages)
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
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write[0].dma_bar = &nand_cmd_addr_buffer;
address
// 3 words sent to the GPMI
write[0].gpmi_ctrl0 = BV_FLD(GPMI_CTRL0, COMMAND_MODE, WRITE)
write[0].gpmi_compare = NULL;
write[0].gpmi_eccctrl = BV_FLD(GPMI_ECCCTRL, ENABLE_ECC, DISABLE); // disable the ECC block
//----------------------------------------------------------------------------
// Descriptor 2: write the data payload (DATA)
//----------------------------------------------------------------------------
write[1].dma_nxtcmdar = &write[2];
write[1].dma_cmd = BF_APBH_CHn_CMD_XFER_COUNT
write[1].dma_bar = &write_payload_buffer;
// 4 words sent to the GPMI
write[1].gpmi_ctrl0 = BV_FLD(GPMI_CTRL0, COMMAND_MODE, WRITE)
write[1].gpmi_compare = NULL;
set eccctrl
write[1].gpmi_eccctrl = BV_FLD(GPMI_ECCCTRL, ECC_CMD,
write[1].gpmi_ecccount = BF_GPMI_ECCCOUNT_COUNT(4096+218);
write[1].gpmi_data_pointer = &write_payload_pointer;
write[1].gpmi_aux_pointer
//----------------------------------------------------------------------------
// Descriptor 3: issue NAND write execute command (CLE)
//----------------------------------------------------------------------------
write[2].dma_nxtcmdar = &write[3];
write[2].dma_cmd = BF_APBH_CHn_CMD_XFER_COUNT
Freescale Semiconductor, Inc.
eccctrl
area
used
BV_FLD(APBH_CHn_CMD, COMMAND, DMA_READ); // read data from DMA, write to NAND
BF_APBH_CHn_CMD_WAIT4ENDCMD
BF_GPMI_CTRL0_XFER_COUNT
BF_GPMI_CTRL0_CS
BF_APBH_CHn_CMD_IRQONCMPLT
BF_APBH_CHn_CMD_CHAIN
BF_APBH_CHn_CMD_CMDWORDS
BF_APBH_CHn_CMD_WAIT4ENDCMD
BF_APBH_CHn_CMD_SEMAPHORE
BF_APBH_CHn_CMD_NANDWAIT4READY
BF_APBH_CHn_CMD_NANDLOCK
BF_APBH_CHn_CMD_IRQONCMPLT
BF_APBH_CHn_CMD_CHAIN
BV_FLD(APBH_CHn_CMD, COMMAND, DMA_NO_XFER);
BF_GPMI_CTRL0_CS
BF_APBH_CHn_CMD_CMDWORDS
BF_APBH_CHn_CMD_SEMAPHORE
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
BF_GPMI_ECCCTRL_BUFFER_MASK
BF_GPMI_CTRL0_XFER_COUNT
BF_GPMI_CTRL0_ADDRESS_INCREMENT
BV_FLD(GPMI_CTRL0, WORD_LENGTH,
BV_FLD(GPMI_CTRL0, LOCK_CS,
BV_FLD(GPMI_CTRL0, ADDRESS,
BV_FLD(GPMI_CTRL0, WORD_LENGTH,
BV_FLD(GPMI_CTRL0, LOCK_CS,
BV_FLD(GPMI_CTRL0, ADDRESS,
BF_GPMI_CTRL0_ADDRESS_INCREMENT
BV_FLD(GPMI_ECCCTRL, ENABLE_ECC, ENABLE)
= &write_aux_pointer;
// DMA transferred to GPMI via DMA (0)!
(1) |
(2)
(1 + 5);
(0)
(1)
(1) |
(3) |
(0) |
(0x1FF);
(0)|
(4)|
(1)|
(0)|
(0)|
(1)|
(0)|
(1)|
Chapter 16 20-BIT Correcting ECC Accelerator (BCH)
// byte 0 write setup, bytes 1 - 5 NAND
(2)
(0);
(1)
8_BIT)
ENABLED)
NAND_CLE) |
8_BIT)
ENABLED)
NAND_DATA)|
(0)
// field not used but necessary to set
|
|
ENCODE_8_BIT) | // specify t = 8 mode
// point to the next descriptor
// NOTE: No DMA data transfer
// send 4 words to the GPMI
// Wait to end
// maintain resource lock
// follow chain to next command
| // must correspond to NAND CS used
// wait for command to finish before
// point to the next descriptor
// 1 byte command
// send 3 words to the GPMI
//
// field not used but necessary to
// follow chain to next command
// 1 byte command, 5 byte address
| // must correspond to NAND CS
// pointer for the 4K byte data
// No data transferred
// specify number of bytes
//
// data buffer address
// metadata pointer
| // send command and address
| // write to the NAND
|
|
| // write to the NAND
|
|
|
continuing
// NOTE: this field contains
// write all 8 data blocks
//
written to NAND
| // enable ECC module
the total amount
//
and 1 aux block
1273
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