R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 476
R8A77800ANBGAV
Manufacturer Part Number
R8A77800ANBGAV
Description
IC SUPERH MPU ROMLESS 449-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77800ANBGV.pdf
(1342 pages)
Specifications of R8A77800ANBGAV
Core Processor
SH-4A
Core Size
32-Bit
Speed
400MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
75
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
449-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:
R8A77800ANBGAV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 476 of 1342
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Section 12 DDR-SDRAM Interface (DDRIF)
To output the above control signals, write access to address H'FEC0 0308 in SDMR is made in
longwords. Then the above control signals are output to the SDRAM pins. Write data to SDMR is
Don't care.
12.4.6
This register indicates the DDR-SDRAM back-up status. For details, see section 17, Power-Down
Mode.
Note:
Rev.1.00 Dec. 13, 2005 Page 424 of 1286
REJ09B0158-0100
Initial value:
Initial value:
Initial value:
Initial value:
Note: * Depends on the setting of external pin (BKPRST).
Bit
63 to 1
0
R/W:
R/W:
R/W:
R/W:
Bit:
Bit:
Bit:
Bit:
*
DDR-SDRAM Back-up Register (DBK)
Bit Name
SDBUP
Depends on the setting of external pin (BKPRST).
63
47
31
15
—
—
—
—
R
R
R
R
0
0
0
0
62
46
30
14
—
—
—
—
R
R
R
R
0
0
0
0
Initial
Value
All 0
Undefined
61
45
29
13
—
—
—
—
R
R
R
R
0
0
0
0
60
44
28
12
—
—
—
—
R
R
R
R
0
0
0
0
* R
59
—
43
—
27
—
11
—
R
R
R
R
0
0
0
0
R/W
R
58
42
26
10
—
—
—
—
R
R
R
R
0
0
0
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Back-up Status
Determine whether DDR-SDRAM is or is not being
battery back-up status.
0: Battery back-up
1: Not back-up
57
41
25
—
—
—
—
R
R
R
R
0
0
0
9
0
56
40
24
—
—
—
—
R
R
R
R
0
0
0
8
0
55
39
23
—
—
—
—
R
R
R
R
0
0
0
7
0
54
38
22
—
—
—
—
R
R
R
R
0
0
0
6
0
53
37
21
—
—
—
—
R
R
R
R
0
0
0
5
0
52
36
20
—
—
—
—
R
R
R
R
0
0
0
4
0
51
—
35
—
19
—
—
R
R
R
R
0
0
0
3
0
50
34
18
—
—
—
—
R
R
R
R
0
0
0
2
0
49
33
17
—
—
—
—
R
R
R
R
0
0
0
1
0
SDBUP
47
32
16
—
—
—
—
R
R
R
R
0
0
0
0
*
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