R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1003
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
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
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(1)
The target interface controls access by the CPU to the GDTA internal registers, buffer RAM 0/1,
and CL and MC function blocks (image processing function blocks). The target interface places a
request queue/response queue in the high-speed SuperHyway bus reception unit, and alleviates the
access load of the initiator on this bus.
(2)
Four GADMAC channels are provided within the GDTA, for data control during DMA data
transfer between external memory and internal image processing function blocks.
(3)
The GADMAC executes DMA control of data transfer between external memory and internal
image processing function blocks. A total of four channels are provided, including two channels
for CL functions and two channels for MC functions. The GADMAC is controlled through
registers within the CL function block and MC function block.
Applications of each of the channels are as follows.
(4)
In color conversion table control, color conversion table data is transferred between buffer RAM 0
and the CL function block.
(5)
In IDCT control, IDCT data is transferred between the buffer RAM 1 and MC function block.
CLR_GADMAC: Data transfer from external memory to the CL function block (read data
transfer)
CLW_GADMAC: Data transfer from the CL function block to external memory (write data
transfer)
MCR_GADMAC: Data transfer from external memory to the MC function block (read data
transfer)
MCW_GADMAC: Data transfer from the MC function block to external memory (write data
transfer)
* External memory: The external DDR2-SDRAM or the external memory connected to the
local bus.
Target Interface
Initiator Interface
GADMAC (CLR_GADMAC, CLW_GADMAC, MCR_GADMAC, MCW_GADMAC)
Color Conversion Table Control
IDCT Control
20. Graphics Data Translation Accelerator (GDTA)
Rev.1.00 Jan. 10, 2008 Page 971 of 1658
REJ09B0261-0100
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