R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 360
R0K561622S000BE
Manufacturer Part Number
R0K561622S000BE
Description
KIT STARTER FOR H8SX/1622
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K561622S000BE
Contents
Board, Cables, CD, Debugger, Power Supply
Silicon Manufacturer
Renesas
Features
Coding And Debugging, E10A Emulator, RS232 Serial Connection
Kit Contents
Board
Silicon Family Name
H8SX/1622F
Silicon Core Number
R5F61622N50LGV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
H8SX/1622
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- Current page: 360 of 1070
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Section 9 DMA Controller (DMAC)
(6)
When an NMI interrupt is requested, the DTE bits for all the channels are cleared to 0 and the
ERRF bit in DMDR_0 is set to 1. When an NMI interrupt is requested during a DMA transfer, the
transfer is forced to stop. To perform DMA transfer after an NMI interrupt is requested, clear the
ERRF bit to 0 and then set the DTE bits for the channels to 1.
The transfer end timings after an NMI interrupt is requested are shown below.
(a)
In dual address mode, a DMA transfer is completed after completion of the write cycle for one
transfer unit.
In single address mode, a DMA transfer is completed after completion of the bus cycle for one
transfer unit.
(b) Block Transfer Mode
A DMA transfer is forced to stop. Since a 1-block size of transfers is not completed, operation is
not guaranteed.
In dual address mode, the write cycle corresponding to the read cycle is performed. This is similar
to (a) in normal transfer mode.
(7)
When an address error occurs, the DTE bits for all the channels are cleared to 0 and the ERRF bit
in DMDR_0 is set to 1. When an address error occurs during a DMA transfer, the transfer is
forced to stop. To perform a DMA transfer after an address error occurs, clear the ERRF bit to 0
and then set the DTE bits for the channels.
The transfer end timing after an address error is the same as that after an NMI interrupt.
(8)
The DMAC is initialized by a reset and a transition to the hardware standby mode. A DMA
transfer is not guaranteed.
Rev. 2.00 Sep. 16, 2009 Page 330 of 1036
REJ09B0414-0200
Transfer End by NMI Interrupt
Normal Transfer Mode and Repeat Transfer Mode
Transfer End by Address Error
Transfer End by Hardware Standby Mode or Reset
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