HD6417760BP200QS Renesas Electronics America, HD6417760BP200QS Datasheet - Page 801
HD6417760BP200QS
Manufacturer Part Number
HD6417760BP200QS
Description
IC SUPERH MCU ROMLESS 256BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417760BP200ADV.pdf
(1418 pages)
Specifications of HD6417760BP200QS
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
69
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
- Current page: 801 of 1418
- Download datasheet (9Mb)
Bit
27
Bit Name
UIRQ
Initial Value
0
R/W
R/W*
Description
Underflow Error Interrupt Status Flag
This status flag indicates that the data has been
supplied at a lower rate than the required rate.
This bit is set to 1 regardless of the setting of
UIEN bit. In order to clear it to 0, write 0 in it.
If UIRQ = 1 and UIEN = 1, then an interrupt will be
generated.
When TRMD = 0 (Receive Mode):
If UIRQ = 1, it indicates that SSIRDR was read
out before DMRQ and DIRQ bits would indicate
the existence of new unread data. In this
instance, the same received data may be stored
twice by the host, which can lead to destruction of
multi-channel data.
When TRMD = 1 (Transmit Mode):
If UIRQ = 1, it indicates that the transmitted data
was not written in SSITDR. By this, the same data
may be transmitted one time too often, which can
lead to destruction of multi-channel data.
Consequently, erroneous SSI data will be output,
which makes this error more serious than
underflow in the receive mode.
Note: When underflow error occurs, the data in
the data buffer will be transmitted until the
next data is written in.
Rev. 2.00 Feb. 12, 2010 Page 717 of 1330
REJ09B0554-0200
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