MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2144
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
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Examples
Note that the scaling factors are computed as (source/dest)*4096, thus in the horizontal
direction 640/480*4096=5461=0x1555. In the vertical direction, the scaling factor is
computed as 480/272*4096=7228=0x1C3C. The original source image and resulting scaled
images are shown below:
Figure 34-18. Example: Downscale VGA to WQVGA (480x272) to fill screen
34.3.6 Downscale VGA to QVGA with Overlapping Overlays
The final example will perform a 1/2x scaling of a VGA image to QVGA to maintain the
aspect ratio. It will also add four overlays to present the image as if it were a photo album
application.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
2144
Freescale Semiconductor, Inc.
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