R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 344
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
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Section 9 DMA Controller (DMAC)
9.5.10
(1)
In cycle stealing mode, the bus is released every time one transfer size of data (one byte, one
word, or one longword) is completed. One bus cycle or more by the CPU or DTC are executed in
the bus released cycles.
In figure 9.24, the TEND signal output is enabled and data is transferred in words from the
external 16-bit 2-state access space to the external 16-bit 2-state access space in normal transfer
mode by cycle stealing.
In figures 9.25 and 9.26, the TEND signal output is enabled and data is transferred in longwords
from the external 16-bit 2-state access space to the 16-bit 2-state access space in normal transfer
mode by cycle stealing.
In figure 9.25, the transfer source (DSAR) is not aligned with a longword boundary and the
transfer destination (DDAR) is aligned with a longword boundary.
In figure 9.26, the transfer source (DSAR) is aligned with a longword boundary and the transfer
destination (DDAR) is not aligned with a longword boundary.
Rev. 2.00 Sep. 16, 2009 Page 314 of 1036
REJ09B0414-0200
Bφ
Address bus
RD
LHWR, LLWR
TEND
Normal Transfer Mode (Cycle Stealing Mode)
Figure 9.24 Example of Transfer in Normal Transfer Mode by Cycle Stealing
Bus
released
Bus Cycles in Dual Address Mode
DMA read
cycle
DMA write
cycle
Bus
released
DMA read
cycle
DMA write
cycle
Bus
released
DMA read
cycle
Last transfer cycle
DMA write
cycle
Bus
released
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