R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 230
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 8 Bus Controller (BSC)
(2)
With the 16-bit access space, the upper byte data bus (D15 to D8) and lower byte data bus (D7 to
D0) are used for accesses. The amount of data that can be accessed at one time is one byte or one
word.
Figures 8.12 and 8.13 illustrate data alignment control for the 16-bit access space. Figure 8.12
shows the data alignment when the data endian format is specified as big endian. Figure 8.13
shows the data alignment when the data endian format is specified as little endian.
In big endian, byte access for an even address is performed by using the upper byte data bus and
byte access for an odd address is performed by using the lower byte data bus.
In little endian, byte access for an even address is performed by using the lower byte data bus, and
byte access for an odd address is performed by using the third byte data bus.
Rev. 2.00 Sep. 16, 2009 Page 200 of 1036
REJ09B0414-0200
Longword
16-Bit Access Space
Data
Size
Byte
Word
Figure 8.11 Access Sizes and Data Alignment Control for 8-Bit Access Space
Access
Address
n
n
n
Access
Count
1
2
4
(Little Endian)
Bus
Cycle
1st
1st
2nd
1st
2nd
3rd
4th
Data Size
Byte
Byte
Byte
Byte
Byte
Byte
Byte
D15
LHWR/LUB
Strobe signal
Data bus
D8 D7
RD
15
15
23
31
7
7
7
LLWR/LLB
D0
16
24
0
0
8
0
8
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