MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2164
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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Programmable Registers
Address:
Re-
34.4.16 Color Space Conversion Coefficient Register 2
This register contains color space conversion coefficients in two's compliment notation.
The Coeffient 2 register contains coeffients used in the color space conversion algorithm.
C2 is the coeffient that is used to multiply the chroma (Cr/V) component of the data for the
green component. C3 is the coeffient that is used to multiply the chroma (Cb/U) component
of the data for the green component. Both values should be coded as a two's compliment
fixed point number with 8 bits right of the decimal.
EXAMPLE
// NOTE: The default values for the CSCCOEFF2 register are incorrect.
2164
set
Bit
W
C3 should be 0x79C for proper operation.
R
HW_PXP_CSCCOEFF2_WR(0x076B079b); // YUV coefficients: C2, C3
HW_PXP_CSCCOEFF0_WR(0x04030000); // YUV coefficients: C0, Yoffset, UVoffset
HW_PXP_CSCCOEFF1_WR(0x01230208); // YUV coefficients: C1, C4
HW_PXP_CSCCOEFF2_WR(0x076B079b); // YUV coefficients: C2, C3
31
0
RSVD1
RSVD0
31 27
26 16
15 11
Field
10 0
C1
C4
30
0
RSVD1
29
0
HW_PXP_CSCCOEFF1
(HW_PXP_CSCCOEFF2)
28
0
Reserved, always set to zero.
Two's compliment Red V/Cr multiplier coefficient. YUV=0x123 (1.140) YCbCr=0x198 (1.596)
Reserved, always set to zero.
Two's compliment Blue U/Cb multiplier coefficient. YUV=0x208 (2.032) YCbCr=0x204 (2.017)
27
0
26
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
24
1
HW_PXP_CSCCOEFF1 field descriptions
23
0
22
0
8002_A000h base + E0h offset = 8002_A0E0h
C1
21
1
20
0
19
0
18
0
17
1
16
1
15
0
Description
14
0
RSVD0
13
0
12
0
11
0
10
0
1
9
0
8
C2 should be 0x76B and
Freescale Semiconductor, Inc.
0
7
0
6
C4
0
5
0
4
3
1
0
2
0
1
0
0
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