R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 894
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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19. Display Unit (DU)
19.3.8
The display unit extensional function enable register (DEFR) enables extension functions.
DEFR should be set during display reset (the DRES bit and DEN bit in DSYSR should be set to 1
and to 0 respectively) for external updates. If update is performed during display, the display may
flicker.
Internal update:
Internal update:
Rev.1.00 Jan. 10, 2008 Page 862 of 1658
REJ09B0261-0100
Bit
31 to 6
5
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Display Unit Extensional Function Enable Register (DEFR)
Bit Name
⎯
DCKE
31
15
—
—
R
R
0
0
30
—
14
—
R
R
0
0
Initial
Value
All 0
0
29
13
—
—
R
R
0
0
28
12
—
—
R
R
0
0
R/W
R
R/W
27
11
—
—
R
R
0
0
Internal
Update
⎯
None
26
10
—
—
R
R
0
0
25
—
—
R
R
0
9
0
Description
Reserved
These bits are always read as undefined. The
write value should always be 0.
Input Dot Clock Select Enable
0: The DCLKSEL bit and bit 4 of the FRQSEL
1: The DCLKSEL bit and bit 4 of the FRQSEL
•
•
24
—
—
R
R
0
8
0
bits in the external sync control register
(ESCR) are disabled.
bits in ESCR are enabled.
The following functions can be used.
The clock from the DCLKIN pin and the DU
clock (DUck) can be selected as the input
dot clock. Selection is performed using the
DCLKSEL bit in ESCR.
The dot clock frequency division ratio can be
selected in the range 0 to 32. The frequency
division ratio is set using the FRQSEL bits in
ESCR.
23
—
—
R
R
0
7
0
22
—
—
R
R
0
6
0
DCKE
R/W
21
—
R
0
5
0
ABRE
R/W
20
—
R
0
4
0
19
—
—
R
R
0
3
0
18
—
—
R
R
0
2
0
17
—
—
R
R
0
1
0
DSAE
R/W
16
—
R
0
0
0
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