R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 479
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: 479 of 1686
- Download datasheet (10Mb)
10.5.5
The notes on using the following flag bits are described here.
• DMA channel control register (CHCR)
• DMA operation register (DMAOR)
If a flag is read at the same timing it is set to 1, the read data will be 0, but the internal state may
be the same as reading 1. Therefore, if 0 is written to the flag, the flag will be cleared to 0 because
the internal state is the same as when writing 0 after reading 1.
In the case of using a flag, to prevent from unintentionally clearing the flag bit to 0, perform
read/write as follows:
(a) In the case of intended bit clear, write 0 to the flag bit after reading it as 1.
(b) In other cases, write 1 to the flag bit.
If a flag is not used, just writing 0 to the flag bit does not generate errors (in the case of intended
bit clear, write 0 to the flag bit after reading it as 1).
HE (Half-End) and TE (Transfer End Flag) bits
AE (Address Error Flag) and NMIF (NMI Flag) bits
Notes on Using Flag Bits
Section 10 Direct Memory Access Controller (DMAC)
Rev. 3.00 Sep. 28, 2009 Page 447 of 1650
REJ09B0313-0300
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