R8A77850ADBGV#RD0Z Renesas Electronics America, R8A77850ADBGV#RD0Z Datasheet - Page 983
R8A77850ADBGV#RD0Z
Manufacturer Part Number
R8A77850ADBGV#RD0Z
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ADBGV#RD0Z
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
Part Number:
R8A77850ADBGV#RD0ZR8A77850ADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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19.4.13 Wraparound Display
In addition to display scrolling, wrap-around display, which can be used in spherical scrolling, is
possible for each plane. When enabling wrap-around display, the PnWAE bit in PnMR is set. As a
result of changing the plane n display start position X, Y (the plane n start position X set in
PnSPXR and the plane n start position Y set in PnSPYR) in order to scroll the display, even when
plane n overflows the wrap-around area, the wrap-around area is seen as a spherical surface in
wrap-around display, as in figure 19.10, and the part overflowing is complemented and displayed.
The method used to specify the wrap-around area is described below.
1. The leading address of the memory used for plane n is specified in PnDSA0R and PnDSA1R.
2. With the beginning of the specified memory as origin, the upper-left coordinates of the wrap-
3. The Y-direction width of the wrap-around area is set in PnWAMWR.
Note: When wrap-around display is disabled (when the PnWAE bit in PnMR is 0), the part
around area are specified in PnWASPR. The X-direction width of the wrap-around area is the
memory width set in PnMWR.
overflowing the wrap-around area becomes the color specified by BPOR, and
superposition processing using this color is performed.
Plane n wrap-around start position
Plane n display area start address
4
2
Figure 19.10 Schematic Diagram of Wraparound Display
3
Plane n display start position
Memory width
Plane n display start position
1
Rev.1.00 Jan. 10, 2008 Page 951 of 1658
Wrap-around
memory width Y
Wrap-around display
1
3
19. Display Unit (DU)
2
4
REJ09B0261-0100
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