MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1275
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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continuing
taking over
write[5].dma_bar = &nand_cmd_addr_buffer[7];
write[5].gpmi_compare = NULL;
eccctrl
write[5].gpmi_eccctrl = BV_FLD(GPMI_ECCCTRL, ENABLE_ECC, DISABLE); // disable the ECC block
// 3 words sent to the GPMI
write[5].gpmi_ctrl0 = BV_FLD(GPMI_CTRL0, COMMAND_MODE, WRITE)
//----------------------------------------------------------------------------
// Descriptor 7: read status and compare (DATA)
//----------------------------------------------------------------------------
write[6].dma_nxtcmdar = &write[7];
write[6].dma_cmd = BF_APBH_CHn_CMD_XFER_COUNT
write[6].dma_bar = NULL;
// 2 word sent to the GPMI
write[6].gpmi_ctrl0 = BV_FLD(GPMI_CTRL0, COMMAND_MODE, READ_AND_COMPARE) | // read from the
//
write[6].gpmi_compare = <MASK_AND_REFERENCE_VALUE>;
NAND
status
//----------------------------------------------------------------------------
// Descriptor 8: psense compare (time out check)
//----------------------------------------------------------------------------
write[7].dma_nxtcmdar = &write[8];
write[7].dma_cmd = BF_APBH_CHn_CMD_XFER_COUNT
write[7].dma_bar = dma_error_handler;
handler
//----------------------------------------------------------------------------
Freescale Semiconductor, Inc.
BV_FLD(APBH_CHn_CMD, COMMAND, DMA_READ);
BF_GPMI_CTRL0_CS
BF_APBH_CHn_CMD_WAIT4ENDCMD
BF_APBH_CHn_CMD_NANDLOCK
BF_GPMI_CTRL0_CS
BF_APBH_CHn_CMD_SEMAPHORE
BF_APBH_CHn_CMD_NANDWAIT4READY(0)
BF_APBH_CHn_CMD_IRQONCMPLT
BF_APBH_CHn_CMD_CHAIN
BF_APBH_CHn_CMD_CMDWORDS
BF_APBH_CHn_CMD_SEMAPHORE
BF_APBH_CHn_CMD_NANDWAIT4READY(0)
BF_APBH_CHn_CMD_NANDLOCK
BF_APBH_CHn_CMD_IRQONCMPLT
BF_APBH_CHn_CMD_CHAIN
BV_FLD(APBH_CHn_CMD, COMMAND, NO_DMA_XFER);
BF_APBH_CHn_CMD_CMDWORDS
BF_APBH_CHn_CMD_WAIT4ENDCMD
BF_APBH_CHn_CMD_SEMAPHORE
BF_APBH_CHn_CMD_NANDWAIT4READY(0)
BF_APBH_CHn_CMD_NANDLOCK
BF_APBH_CHn_CMD_IRQONCMPLT
BF_APBH_CHn_CMD_CHAIN
BV_FLD(APBH_CHn_CMD, COMMAND, DMA_SENSE);
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
BV_FLD(GPMI_CTRL0, WORD_LENGTH,
BV_FLD(GPMI_CTRL0, LOCK_CS,
BV_FLD(GPMI_CTRL0, ADDRESS,
BF_GPMI_CTRL0_ADDRESS_INCREMENT
BF_GPMI_CTRL0_XFER_COUNT
BV_FLD(GPMI_CTRL0, WORD_LENGTH,
BV_FLD(GPMI_CTRL0, LOCK_CS,
BV_FLD(GPMI_CTRL0, ADDRESS,
BF_GPMI_CTRL0_ADDRESS_INCREMENT
BF_GPMI_CTRL0_XFER_COUNT
(2)
(1)
(1)
(0)
(0)
(1)
(0)
(2)
(0)
(1)
(0)
(1)
(0)
(0)
(0)
(0)
(0)
(0)
(1)
(2)
// if sense check fails, branch to error
Chapter 16 20-BIT Correcting ECC Accelerator (BCH)
|
// NOTE: mask and reference values are
// field not used but necessary to set
|
|
|
|
|
|
|
|
8_BIT)
ENABLED)
NAND_CLE) |
(0)
(1);
8_BIT)
DISABLED)
NAND_DATA) |
(0)
(1);
|
|
|
|
|
// read data from DMA, write to NAND
| // must correspond to NAND CS used
// wait for command to finish before
// prevent other DMA channels from
// follow chain to next command
// point to the next descriptor
// no dma transfer
// send 2 words to the GPMI
//
// maintain resource lock
// follow chain to next command
// must correspond to NAND CS used
// point to byte 7, status command
// SPECIFIC to evaluate the NAND
| // no dma transfer
| // no words sent to GPMI
| // do not wait to continue
|
|
| // relinquish nand lock
|
| // follow chain to next command
// point to the next descriptor
// perform a sense check
// no dma transfer
// field not used
| // write to the NAND
|
|
|
|
|
|
// 1 byte command
continuing
// compare to expect
//
NAND and
1275
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