R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 496
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R4F24278NVFQU
Manufacturer Part Number
R4F24278NVFQU
Description
MCU 512K/48K 2.7-5.5V 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24278NVFQU.pdf
(1482 pages)
Specifications of R4F24278NVFQU
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, Smart Card, SPI, SSU, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
98
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
REALTEK
Quantity:
2 300
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 9 EXDMA Controller (EXDMAC)
9.4.9
(1)
Figure 9.15 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 466 of 1448
φ
Address bus
RD
HWR
LWR
ETEND
Normal Transfer Mode (Cycle Steal Mode)
Figure 9.15 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/2427, H8S/2427R, H8S/2425 Group
EXDMA
read
Last transfer
REJ09B0565-0100 Rev. 1.00
cycle
EXDMA
write
Bus
release
Jul 22, 2010
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