R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 1060
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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20. Graphics Data Translation Accelerator (GDTA)
Rev.1.00 Jan. 10, 2008 Page 1028 of 1658
REJ09B0261-0100
[Step (1) Clear the MC access mask]
After the CPU sets the key code in GACMR within the bus interface,
set GACER to enable access to the MC function block.
[Step (2) Initialize the MC function block]
The CPU sets the frame width/height, input Y/UV padding size, output frame Y/U/V pointers,
past frame Y/U/V pointers, and future frame Y/U/V pointers.
[Step (3) Write IDCT data to RAM 1]
The CPU writes IDCT data to RAM 1.
[Step (4) Write commands to FIFO]
The CPU writes commands to MCCF. Eight command parameters are required,
and are written in sequence.
For details of settings, refer to section 20.3.21, MC Command FIFO (MCCF).
[Step (5) Write the end command to command FIFO]
The CPU writes the end command to MCCF.
[Step (6) Wait for an interrupt signaling processing completion]
Processing completion is judged using an interrupt from the CPU.
Is an interrupt used to recognize
Figure 20.7 MC Processing Procedure
Continuous processing?
processing completion?
Start
End
Yes
No
[Step (7) Check the register to confirm processing completion]
Processing completion is judged using the MC_END bit in GACISR.
Yes
No
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