R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 970
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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19. Display Unit (DU)
• 16 bit/pixel: ARGB
• YC
Rev.1.00 Jan. 10, 2008 Page 938 of 1658
REJ09B0261-0100
D15-D0 15
Address A
Address A+4
Address A+8
The ARGB levels are represented using A:1, R:5, G:5, B:5 bits (ARGB555). In addition to the
RGB values, an alpha value is set. Blending control using the A value is valid when the
PnSPIM bit in PnMR is set to perform blending; when A = 1, blending is performed. When the
PnSPIM bit is not set to perform blending, blending is not performed even when A = 1.
Image data has the format YC (YCbCr) = 4:2:2. A calculation circuit is used to convert each of
the 8 bits of the RGB colors of image data.
The YC data order corresponds to the UYVY format and YUYV format. The UYVY format
and YUYV format can be selected using the PnYCDF bits in PnMR.
The conversion formulae for each of the 8 bits of the RGB colors are as follows:
The following coefficients are used for the above formulae.
(1)
(2)
(3)
(4)
The internal processing is performed in 16-bit units.
Calculation is performed with fixed-point arithmetic and values are rounded down.
R = Y + 1.37 × (Cr - 128)
G = Y - 0.698 × (Cr - 128) - 0.336 x (Cb - 128)
B = Y + 1.73 × (Cb - 128)
16 ≤ Y ≤ 235
16 ≤ Cr ≤ 240
16 ≤ Cb ≤ 240
A
1.37 = 1.0101111
1.73 = 1.1011110
0.698 = 0.10110010
0.336 = 0.01010110
A+2
31
ARGB555 - 1
ARGB555- 3
ARGB555- 5
14
Little endian
R
A
15
ARGB555- 0
ARGB555- 2
ARGB555- 4
10
9
0
Address A
Address A+4
Address A+8
G
A
ARGB555- 0
ARGB555- 2
ARGB555- 4
31
5
4
Big endian
A+2
15
ARGB555- 1
ARGB555- 3
ARGB555- 5
B
0
0
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