R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 773
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
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20.3.16 RTC Control Register 1 (RCR1)
RCR1 is an 8-bit readable/writable register containing a carry flag and alarm flag, plus flags to
enable or disable interrupts for these flags.
The CIE and AIE bits are initialized to 0 by a power-on or manual reset; the value of bits other
than CIE and AIE is undefined.
Bit
7
6 to 5
Bit Name
CF
—
Initial value:
Initial
Value
Undefined R/W
Undefined R
R/W:
BIt:
R/W
CF
—
7
R/W
—
—
R
6
Description
Carry Flag
This flag is set to 1 on generation of a second counter
carry, or a 64 Hz counter carry when the 64 Hz counter
is read. The count register value read at this time is not
guaranteed, and so the count register must be read
again.
0: No second counter carry, or 64 Hz counter carry
[Clearing condition]
When 0 is written to CF
1: Second counter carry, or 64 Hz counter carry when
[Setting conditions]
Generation of a second counter carry, or a 64 Hz
counter carry when the 64 Hz counter is read
When 1 is written to CF
Reserved
The initial value of these bits is undefined. A write to
these bits is invalid, but the write value should always
be 0.
—
—
R
5
when 64 Hz counter is read
64 Hz counter is read
R/W
CIE
4
0
R/W
AIE
3
0
Rev.1.00 Dec. 13, 2005 Page 721 of 1286
—
—
R
2
CRF
—
R
1
Section 20 Realtime Clock (RTC)
R/W
AF
—
0
REJ09B0158-0100
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