R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 472
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
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
-
Available stocks
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Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
Renesas Electronics America
Quantity:
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Section 8 EXDMA Controller (EXDMAC)
8.4.9
(1)
Figure 8.15 shows an example of transfer when ETEND output is enabled, and word-size, normal
transfer mode (cycle steal mode) is performed from external 16-bit, 2-state access space to
external 16-bit, 2-state access space.
After one byte or word has been transferred, the bus is released. While the bus is released, one
CPU, DMAC, or DTC bus cycle is initiated.
Page 442 of 1372
φ
Address bus
RD
HWR
LWR
ETEND
Normal Transfer Mode (Cycle Steal Mode)
Figure 8.15 Example of Normal Transfer Mode (Cycle Steal Mode) Transfer
EXDMAC Bus Cycles (Dual Address Mode)
Bus
release
EXDMA
read
EXDMA
write
release
Bus
EXDMA
read
EXDMA
write
release
Bus
H8S/2426, H8S/2426R, H8S/2424 Group
EXDMA
read
Last transfer
REJ09B0466-0350 Rev. 3.50
cycle
EXDMA
write
Bus
release
Jul 09, 2010
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