R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 510

• 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 9 EXDMA Controller (EXDMAC)
Page 480 of 1448
φ pin
Bus cycle
Current
channel
EDACK
Other
channel
transfer
request
(EDREQ)
φ pin
Bus cycle
CPU
operation
EDACK
ETEND
single cycle
EXDMA
CPU cycle
Figure 9.29 Auto Request/Cycle Steal Mode/Normal Transfer Mode
Figure 9.30 Auto Request/Cycle Steal Mode/Normal Transfer Mode
External
space
1 cycle
Bus
release
(Contention with Another Channel/Single Address Mode)
EXDMA single
single cycle
transfer cycle
EXDMA
External space
(CPU Cycles/Single Address Mode)
Bus
release
single cycle
1 bus cycle
CPU cycle
EXDMA
1 cycle
Bus
release
EXDMA single
transfer cycle
Higher-priority channel EXDMA cycle
External space
CPU cycle
H8S/2427, H8S/2427R, H8S/2425 Group
Last transfer cycle
EXDMA single
transfer cycle
REJ09B0565-0100 Rev. 1.00
1 cycle
External space
Bus
release
single cycle
EXDMA
CPU cycle
Jul 22, 2010
Bus
release