R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 908
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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19. Display Unit (DU)
19.3.21 DE Signal Start Register (DESR)
The DE signal start register (DESR) sets the rising edge position of the DE signal. The value is
retained during power-on reset and manual reset.
Internal update:
Internal update:
Rev.1.00 Jan. 10, 2008 Page 876 of 1658
REJ09B0261-0100
Bit
31 to 11 ⎯
10 to 0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Bit Name
DES
31
15
—
—
R
R
0
0
30
—
14
—
R
R
0
0
Initial
Value
All 0
Undefined R/W
29
13
—
—
R
R
0
0
28
12
—
—
R
R
0
0
R/W
R
27
11
—
—
R
R
0
0
Internal
Update
⎯
Yes
R/W
26
10
—
—
O
R
0
R/W
25
—
—
R
O
0
9
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
DE Signal Start
The DE signal rising edge position should be set
in dot clock units relative to the falling edge of
the HSYNC signal.
The DE signal rises (setting + 1) cycles after the
falling edge of the HSYNC signal. Hence the DE
signal cannot be made to rise in the same cycle
as the falling edge of the HSYNC signal.
During the vertical blanking interval the level is
fixed at low level.
R/W
24
—
—
R
O
0
8
R/W
23
—
—
R
O
0
7
R/W
22
—
—
O
R
0
6
R/W
DES
21
—
—
O
R
0
5
R/W
20
—
—
R
O
0
4
R/W
19
—
—
R
O
0
3
R/W
18
—
—
R
O
0
2
R/W
17
—
—
O
R
0
1
R/W
16
—
—
O
R
0
0
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