R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 444

• Manufacturer Part Number: R4F24278NVFQU
• Description: MCU 512K/48K 2.7-5.5V 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

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

Section 8 DMA Controller (DMAC)
Figure 8.37 shows an example of dual address transfer using the write data buffer function. The
data is transferred from on-chip RAM to external memory.
Page 414 of 1448
Internal bus operation
Internal read signal
External address
Figure 8.37 Example of Dual Address Transfer Using Write Data Buffer Function
Internal address
HWR, LWR
TEND
φ
DMA
read
DMA
write
DMA
read
DMA
write
H8S/2427, H8S/2427R, H8S/2425 Group
DMA
read
REJ09B0565-0100 Rev. 1.00
DMA
write
Jul 22, 2010
DMA
dead