R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 771
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: 771 of 1686
- Download datasheet (10Mb)
Bit
5
Bit Name
TDFE
Initial
Value
1
R/W
R/(W)* Transmit FIFO Data Empty
Section 15 Serial Communication Interface with FIFO (SCIF)
Description
Indicates that data has been transferred from the
transmit FIFO data register (SCFTDR) to the transmit
shift register (SCTSR), the quantity of data in
SCFTDR has become less than the transmission
trigger number specified by the TTRG[1:0] bits in the
FIFO control register (SCFCR), and writing of transmit
data to SCFTDR is enabled.
0: The quantity of transmit data written to SCFTDR is
[Clearing conditions]
•
•
1: The quantity of transmit data in SCFTDR is less
[Setting conditions]
•
•
Note:
greater than the specified transmission trigger
number
than or equal to the specified transmission trigger
number*
TDFE is cleared to 0 when data exceeding the
specified transmission trigger number is written to
SCFTDR after 1 is read from TDFE and then 0 is
written
TDFE is cleared to 0 when DMAC is activated by
transmit FIFO data empty interrupt (TXI) and write
data exceeding the specified transmission trigger
number to SCFTDR
TDFE is set to 1 by a power-on reset
TDFE is set to 1 when the quantity of transmit
data in SCFTDR becomes less than or equal to
the specified transmission trigger number as a
result of transmission
*
Since SCFTDR is a 16-byte FIFO register,
the maximum quantity of data that can be
written when TDFE is 1 is "16 minus the
specified transmission trigger number". If
an attempt is made to write additional
data, the data is ignored. The quantity of
data in SCFTDR is indicated by the upper
8 bits of SCFDR.
Rev. 3.00 Sep. 28, 2009 Page 739 of 1650
REJ09B0313-0300
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