R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 1050
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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Manufacturer
Quantity
Price
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Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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20. Graphics Data Translation Accelerator (GDTA)
Rev.1.00 Jan. 10, 2008 Page 1018 of 1658
REJ09B0261-0100
Yes
[Step (1) Clear the CL access mask]
After the CPU sets the key code in GACMR within the bus interface, set GACER to enable access to the CL function block.
[Step (2) Initialize the CL function block]
The CPU sets the frame width/height, input Y/UV padding size, output padding size, and output data/address mode.
In ARGB conversion mode, CLPLPR should also be set.
[Step (3) Write the color conversion table to RAM 0]
The CPU writes the color conversion table to RAM 0.
* Step (3) is not necessary in YUYV conversion mode; it is only required in ARGB conversion mode.
[Step (4) Write to the command FIFO]
The CPU writes commands to CLCF. Four command parameters are required
and should be written in succession in the following order:
(1) Data for writing: Input Y pointer
(2) Data for writing: Input U pointer
(3) Data for writing: Input V pointer
(4) Data for writing: Output pointer
[Step (5) Wait for processing completion]
Processing completion is judged using an interrupt from the CPU or the CL_END bit in GACISR.
(Check the CK_CFF bit in CLSR.)
Is the CL command FIFO full?
Figure 20.5 CL Processing Procedure
No
No
timed by interrupt or setting of the
Is continuous processing
Continuous processing?
CL_END bit in GACISR?
Next processing?
Start
End
Yes
Yes
No
Yes
No
for CL processing?
Change settings
Yes
No
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