R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 768
![IC SUPERH MPU ROMLESS 449-BGA](/photos/12/46/124616/r8a77800anbgav_sml.jpg)
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: 768 of 1342
- Download datasheet (7Mb)
Section 20 Realtime Clock (RTC)
20.3.7
RMONCNT is an 8-bit readable/writable register used as a counter for setting and counting the
BCD-coded month value in the RTC. It counts on the carry generated once per month by the day
counter.
The setting range is decimal 01 to 12. The RTC will not operate normally if any other value is set.
Write processing should be performed after stopping the count with the START bit in RCR2, or
by using the carry flag.
RMONCNT is not initialized by a power-on or manual reset.
Bits 7 to 5 are always read as 0. A write to these bits is invalid, but the write value should always
be 0.
20.3.8
RYRCNT is a 16-bit readable/writable register used as a counter for setting and counting the
BCD-coded year value in the RTC. It counts on the carry generated once per year by the month
counter.
The setting range is decimal 0000 to 9999. The RTC will not operate normally if any other value
is set. Write processing should be performed after stopping the count with the START bit in
RCR2, or by using the carry flag.
RYRCNT is not initialized by a power-on or manual reset.
Rev.1.00 Dec. 13, 2005 Page 716 of 1286
REJ09B0158-0100
Initial value:
R/W:
BIt:
Month Counter (RMONCNT)
Year Counter (RYRCNT)
R/W
15
—
1000-year units
R/W
14
—
Initial value:
R/W
13
—
R/W:
R/W
BIt:
12
—
R/W
11
—
—
R
7
0
100-year units
R/W
10
—
—
R
6
0
R/W
—
—
R
5
0
9
10-month
R/W
R/W
unit
—
—
8
4
R/W
R/W
—
—
7
3
10-year units
1-month units
R/W
R/W
—
—
6
2
R/W
R/W
—
—
5
1
R/W
R/W
—
—
4
0
R/W
—
3
1-year units
R/W
—
2
R/W
—
1
R/W
—
0
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