R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 495
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
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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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H8S/2427, H8S/2427R, H8S/2425 Group
The selected channel begins transfer after the currently transferring channel releases the bus. If
there is a bus request from a bus master other than the EXDMAC at this time, a cycle for the other
bus master is initiated. If there is no other bus request, the bus is released for one cycle.
Figure 9.14 shows examples of transfer timing in cases that include auto request cycle steal mode.
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
Conditions (1)
Channel 2: Auto request, cycle steal mode
Channel 3: External request, cycle steal mode, low level activation
Bus
Channel 2
EDA bit
Channel 3/
EDREQ3 pin
Conditions (2)
Channel 2: External request, cycle steal mode, low level activation
Channel 3: Auto request, cycle steal mode
Bus
Channel 2/
EDREQ2 pin
Channel 2
EDA bit
Conditions (3)
Channel 2: Auto request, cycle steal mode
Channel 3: Auto request, cycle steal mode
Bus
Channel 2
EDA bit
Channel 3
EDA bit
*
: Bus release
Channel 2
Channel 3
Channel 3
Figure 9.14 Examples of Channel Priority Timing
*
*
*
Channel 2
Channel 3
Channel 3
*
*
*
Channel 2
Channel 2
Channel 2
*
*
*
Channel 3
Channel 3
Channel 2
Section 9 EXDMA Controller (EXDMAC)
*
*
*
Channel 2
Channel 3
Channel 3
*
Page 465 of 1448
*
*
Channel 2
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