R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 855

• 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

H8S/2427, H8S/2427R, H8S/2425 Group
(4)
After a status flag is read as 1 by the CPU, it is cleared by writing 0 to it. When the DTC or
DMAC is activated, the flag is cleared automatically. Figure 12.43 shows the timing for status flag
clearing by the CPU, and figure 12.44 shows the timing for status flag clearing by the DTC or
DMAC.
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
Status Flag Clearing Timing
Address
Write signal
Status flag
Interrupt
request
signal
φ
Address
Status flag
Interrupt
request
signal
Figure 12.44 Timing for Status Flag Clearing by DTC/DMAC Activation
φ
Figure 12.43 Timing for Status Flag Clearing by CPU
TSR write cycle
TSR address
T
Source address
1
DTC/DMAC
T
read cycle
1
T
2
T
2
T
DTC/DMAC
1
write cycle
Destination
address
Section 12 16-Bit Timer Pulse Unit (TPU)
T
2
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