R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 919
R0K572030S000BE
Manufacturer Part Number
R0K572030S000BE
Description
KIT DEV FOR SH7203
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K572030S000BE
Contents
CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
Silicon Manufacturer
Renesas
Kit Contents
Board
Silicon Family Name
SH7203
Silicon Core Number
R5S72030W200FP
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Mcu Supported Families
SH7203
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
SH7203
Lead Free Status / Rohs Status
Compliant
- Current page: 919 of 1686
- Download datasheet (10Mb)
Bit
27
Bit Name
UIRQ
Initial
Value
0
R/W
R/W*
Description
Underflow Error Interrupt Status Flag
This status flag indicates that data was supplied at a
lower rate than was required.
In either case, this bit is set to 1 regardless of the value
of the UIEN bit and can be cleared by writing 0 to this
bit.
If UIRQ = 1 and UIEN = 1, an interrupt occurs.
•
•
Note: When underflow error occurs, the current data in
TRMD = 0 (Receive mode)
If UIRQ = 1, SSIRDR was read before there was
new unread data indicated by the DMRQ or DIRQ
bit. This can lead to the same received sample
being stored twice by the host leading to potential
corruption of multi-channel data.
TRMD = 1 (Transmit mode)
If UIRQ = 1, SSITDR did not have data written to it
before it was required for transmission. This will
lead to the same sample being transmitted once
more and a potential corruption of multi-channel
data. This is more serious error than a receive
mode underflow as the output SSI data results in
error.
the data buffer of this module is transmitted until
the next data is filled.
Rev. 3.00 Sep. 28, 2009 Page 887 of 1650
Section 18 Serial Sound Interface (SSI)
REJ09B0313-0300
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