MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1448

• Manufacturer Part Number: MCIMX281AVM4B
• Description: IC MPU I.MX28 1.2 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

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

Programmable Registers
1448
SD_POWER_UP_
SSP_SCK_INDEX
EMMC_USE_DDR
SD_MMC_MODE
SD_BUS_WIDTH
BOOT_SERIAL_
ENABLE_USB_
DISABLE_SPI_
SD_POWER_
NOR_FAST_
GATE_GPIO
DELAY
23 22
21 20
19 14
13 12
READ
11 8
NUM
Field
7
6
5
SD/MMC BOOT MODE
00 MBR BOOT
01 Reserved
10 eMMC 4.3 Fast Boot
11 eSD2.1 Fast Boot
SD card power gate GPIO pin select: 00 - PWM3, 01 - PWM4, 10 - LCD_DOTCLK, 11 - NO_GATE.
SD card power up delay required after enabling GPIO power gate: 000000 - 0 ms, 000001 - 10 ms, 000010
- 20 ms, 111111 - 630 ms.
SD card bus width: 00 - 4-bit, 01 - 1-bit, 10 - 8-bit, 11 - reserved.
Index to the SSP clock speed
0000 - invalid
0001 - 240kHz
0010 - 1Mhz
0011 - 2Mhz
0100 - 4Mhz
0101 - 6Mhz
0110 - 8Mhz
0111 - 10Mhz
1000 - 12Mhz
1001 - 16Mhz
1010 - 20Mhz
1011 - 30Mhz
1100 - 40Mhz
1101 - 48Mhz
1110 - 51.4Mhz (Max Frequency)
1111 - invalid
Blow to operate eMMC4.4 card in DDR mode.
Blow to disable SPI NOR fast reads which are used by default.
Blow to enable USB boot serial number.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_OCOTP_ROM0 field descriptions (continued)
Description
Freescale Semiconductor, Inc.