MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1748
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: 1748 of 2327
- Download datasheet (17Mb)
Operation
};
const static reg32_t
{
};
/////////////////////////////////////////////////////
//Read256BytesFromEEPROM returns 1 for errors and 0 for OK
/////////////////////////////////////////////////////
int Read256BytesFromEEPROM(unsigned short usAddress){
1748
// insert eePROM addres param into dma command buffer
// Reset the APBX dma channels associated with I2C.
reset_mask = BF_APBX_CTRL0_RESET_CHANNEL((1 << I2C_CHANNEL_NUM));
HW_APBX_CTRL0_SET(reset_mask);
// Poll for reset to clear the channel.
for (retries = 0; retries < RESET_TIMEOUT; retries++)
if (retries == RESET_TIMEOUT)exit(1);
// Setup dma channel configuration.
BF_WRn(APBX_CHn_NXTCMDAR,I2C_CHANNEL_NUM,
BF_WR(APBX_CTRL1, CH3_CMDCMPLT_IRQ, 0);
// Start the dma channel by incrementing semaphore.
BF_WRn(APBX_CHn_SEMA, I2C_CHANNEL_NUM, INCREMENT_SEMA, 1);
// Poll for the semaphore to decrement to zero on the DMA channel.
for (retries = 0; retries < SEMAPHORE_TIMEOUT; retries++){
}
if(ferreters == SEMAPHORE_TIMEOUT) exit(2);
// the 256 bytes were read from the eePROM so return with no Error
BF_I2C_CTRL0_PRE_SEND_START(BV_I2C_CTRL0_PRE_SEND_START_SEND_START) |
BF_I2C_CTRL0_MASTER_MODE(BV_I2C_CTRL0_MASTER_MODE_MASTER)
BF_I2C_CTRL0_DIRECTION(BV_I2C_CTRL0_DIRECTION_TRANSMIT)
BF_I2C_CTRL0_XFER_COUNT(3)
I2C_CMD_BUFFER[1] = (unsigned char) (usAddress
I2C_CMD_BUFFER[2] = (unsigned char) ((usAddress>>8) &0x00ff);
BF_I2C_CTRL0_RETAIN_CLOCK(BV_I2C_CTRL0_RETAIN_CLOCK_HOLD_LOW)
BF_I2C_CTRL0_PRE_SEND_START(BV_I2C_CTRL0_PRE_SEND_START_SEND_START)|
BF_I2C_CTRL0_MASTER_MODE(BV_I2C_CTRL0_MASTER_MODE_MASTER)
BF_I2C_CTRL0_DIRECTION(BV_I2C_CTRL0_DIRECTION_TRANSMIT)
BF_I2C_CTRL0_XFER_COUNT(1)
(reg32_t) &eeprom_command_buffer[3],
(reg32_t)
(BF_APBX_CHn_CMD_XFER_COUNT(3) |
(reg32_t) &eeprom_command_buffer[0],
BF_APBX_CHn_CMD_CMDWORDS(1)
BF_APBX_CHn_CMD_WAIT4ENDCMD(1)|
BF_APBX_CHn_CMD_CHAIN(1)
BV_FLD(APBX_CHn_CMD, COMMAND, DMA_READ)),
BF_APBX_CHn_CMD_CMDWORDS(1)
BF_APBX_CHn_CMD_WAIT4ENDCMD(1)|
BF_APBX_CHn_CMD_CHAIN(1)
BV_FLD(APBX_CHn_CMD, COMMAND, DMA_READ)),
if ((reset_mask & HW_APBX_CTRL0_RD()) == 0)
if (0 == BF_RDn(APBX_CHn_SEMA, I2C_CHANNEL_NUM, PHORE))
if (1 == HW_I2C_CTRL1.MASTER_LOSS_IRQ)
if (1 == HW_I2C_CTRL1.NO_SLAVE_ACK_IRQ)
if (1 == HW_I2C_CTRL1.EARLY_TERM_IRQ)
CMD_ADDR,(reg32_t) I2C_DMA_CMD1);
break;
break;
I2C_DMA_CMD2,
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
I2C_DMA_CMD1[4] =
|
|
|
|
return 1; // error
return 1; // error
return 1; // error
&0x00ff);
|
|
|
|
|
Freescale Semiconductor, Inc.
Related parts for MCIMX281AVM4B
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
MCU, MPU & DSP Development Tools MCIMX28LCD
Manufacturer:
Freescale Semiconductor
Datasheet:
Part Number:
Description:
MCIMX-LVDS1
Manufacturer:
Freescale Semiconductor
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: