R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 224
R4F24268NVFQV
Manufacturer Part Number
R4F24268NVFQV
Description
MCU 256K FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R4F24268NVFQV
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Section 6 Bus Controller (BSC)
(2)
Figure 6.9 illustrates data alignment control for the 16-bit access space. With the 16-bit access
space, the upper data bus (D15 to D8) and lower 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, and a longword access is
executed as two word accesses.
In byte access, whether the upper or lower data bus is used is determined by whether the address is
even or odd. The upper data bus is used for an even address, and the lower data bus for an odd
address.
Page 194 of 1372
16-Bit Access Space
Figure 6.9 Access Sizes and Data Alignment Control (16-Bit Access Space)
Byte size
Byte size
Word size
Longword
size
• Even address
• Odd address
1st bus cycle
2nd bus cycle
D15
Upper data bus
D8 D7
H8S/2426, H8S/2426R, H8S/2424 Group
Lower data bus
REJ09B0466-0350 Rev. 3.50
D0
Jul 09, 2010
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