R4F24269NVFQV Renesas Electronics America, R4F24269NVFQV Datasheet - Page 423
R4F24269NVFQV
Manufacturer Part Number
R4F24269NVFQV
Description
MCU 256KB FLASH 64K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24269NVFQV
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
64K 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
-
Available stocks
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Company:
Part Number:
R4F24269NVFQV
Manufacturer:
Renesas Electronics America
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H8S/2426, H8S/2426R, H8S/2424 Group
Figure 7.33 shows an example of single address transfer using the write data buffer function. In
this example, the CPU program area is in on-chip memory.
When the write data buffer function is activated, the DMAC recognizes that the bus cycle
concerned has ended, and starts the next operation. Therefore, DREQ pin sampling is started one
state after the start of the DMA write cycle or single address transfer.
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Figure 7.33 Example of Single Address Transfer Using Write Data Buffer Function
Internal read signal
External address
Internal address
DACK
RD
φ
DMA
read
DMA
single
CPU
read
DMA
single
Section 7 DMA Controller (DMAC)
CPU
read
Page 393 of 1372
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