R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 1046
![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
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Section 26 Serial Sound Interface (SSI) Module
Rev.1.00 Dec. 13, 2005 Page 994 of 1286
REJ09B0158-0100
Bit
26
25
Bit Name
OIRQ
IIRQ
Initial
Value
0
1
R/W
R/W*
R
Description
Overflow Error Interrupt Status Flag
This status flag indicates that the data has been
supplied at a higher rate than the required rate.
This bit is set to 1 regardless of the setting of OIEN bit.
In order to clear it to 0, write 0 in it.
If OIRQ = 1 and OIEN = 1, then an interrupt will be
generated.
When TRMD = 0 (Receive Mode):
If OIRQ = 1, it indicates that the previous unread data
had not been read out before new unread data was
written in SSIRDR. This may cause the loss of data,
which can lead to destruction of multi-channel data.
When TRMD = 1 (Transmit Mode):
If OIRQ = 1, it indicates that SSITDR had data written in
before the data in SSITDR was transferred to the shift
register. This may cause the loss of data, which can
lead to destruction of multi-channel data.
Note: When overflow error occurs, the data in the data
Idle Mode Interrupt Status Flag
This status flag indicates whether the SSI module is in
the idle status. This bit is set to 1 regardless of the
setting of IIEN bit, so that polling will be possible.
The interrupt can be masked by clearing IIEN bit to 0,
but writing 0 in this bit will not clear the interrupt.
If IIRQ = 1 and IIEN = 1, then an interrupt will be
generated.
0: The SSI module is not in the idle status.
1: The SSI module is in the idle status.
buffer will be overwritten by the next data sent
from the SSI interface.
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