R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 336
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)
(3)
When setting the negative value in DOFR, the offset value must be 2's complement. The 2's
complement is obtained by the following formula.
Example: 2's complement of H'0001FFFF
The value of 2's complement can be obtained by the NEG.L instruction.
9.5.7
The DMAC registers are updated by a DMA transfer. The value to be updated differs according to
the other settings and transfer state. The registers to be updated are DSAR, DDAR, DTCR, bits
BKSZH and BKSZ in DBSR, and the DTE, ACT, ERRF, ESIF, and DTIF bits in DMDR.
(1)
When the transfer source address set in DSAR is accessed, the contents of DSAR are output and
then are updated to the next address.
The increment or decrement can be specified by bits SAT1 and SAT0 in DACR. When SAT1 and
SAT0 = B'00, the address is fixed. When SAT1 and SAT0 = B'01, the address is added with the
offset. When SAT1 and SAT0 = B'10, the address is incremented. When SAT1 and SAT0 = B'11,
the address is decremented. The size of increment or decrement depends on the data access size.
The data access size is specified by bits DTSZ1 and DTSZ0 in DMDR. When DTSZ1 and DTSZ0
= B'00, the data access size is byte and the address is incremented or decremented by 1. When
DTSZ1 and DTSZ0 = B'01, the data access size is word and the address is incremented or
decremented by 2. When DTSZ1 and DTSZ0 = B'10, the data access size is longword and the
address is incremented or decremented by 4. Even if the access data size of the source address is
word or longword, when the source address is not aligned with the word or longword boundary,
the read bus cycle is divided into byte or word cycles. While data of one word or one longword is
being read, the size of increment or decrement is changing according to the actual data access size,
for example, +1 or +2 for byte or word data. After one word or one longword of data is read, the
address when the read cycle is started is incremented or decremented by the value according to
bits SAT1 and SAT0.
Rev. 2.00 Sep. 16, 2009 Page 306 of 1036
REJ09B0414-0200
2's complement of offset = 1 + ~offset (~: bit inversion)
Offset Subtraction
DMA Source Address Register
Register during DMA Transfer
= H'FFFE0000 + H'00000001
= H'FFFE0001
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