R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 424

• 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)
ETCRB is decremented by 1 after every block transfer, and when the count reaches H'0000 the
DTE bit in DMABCR in common register enabled mode or the DTE bit in DMAECRF in
common register disabled mode is cleared and transfer ends. If the DTIE bit in DMABCR in
common register enabled mode or the DTIE bit in DMAECRF in common register disabled mode
is set to 1 at this point, an interrupt request is sent to the CPU or DTC.
Figure 8.19 shows the operation flow in block transfer mode.
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Figure 8.19 Operation Flow in Block Transfer Mode
DAR = DAR – DAIDE · (–1)
SAR = SAR – SAIDE · (–1)
DAR = DAR + DAIDE · (–1)
SAR = SAR + SAIDE · (–1)
No
Write to address specified by DAR
Read address specified by SAR
ETCRAL = ETCRAL – 1
ETCRB = ETCRB – 1
ETCRAL = ETCRAH
Clear DTE bit to 0
(DTE = DTME = 1)
ETCRAL = H'00
ETCRB = H'0000
Transfer request
to end transfer
Release bus
BLKDIR = 0
Acquire bus
Start
Yes
Yes
Yes
Yes
DAID
SAID
· 2
· 2
SAID
DAID
DTSZ
DTSZ
· 2
· 2
DTSZ
· ETCRAH
DTSZ
· ETCRAH
No
No
No
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010