R4F24269NVFQV Renesas Electronics America, R4F24269NVFQV Datasheet - Page 389

• Manufacturer Part Number: R4F24269NVFQV
• Description: MCU 256KB FLASH 64K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of R4F24269NVFQV

• Core Processor: H8S/2600
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 10x10b, 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
• Eeprom Size: -

H8S/2426, H8S/2426R, H8S/2424 Group
Figure 7.8 shows an example of the setting procedure for repeat mode.
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
and transfer destination
Set number of transfers
Repeat mode setting
Set transfer source
Read DMABCRL
Set DMABCRH
Set DMABCRL
Repeat mode
Set DMACR
addresses
Figure 7.8 Example of Repeat Mode Setting Procedure
[1]
[2]
[3]
[4]
[5]
[6]
[1] Set each bit in DMABCRH.
[2] Set the transfer source address and transfer
[3] Set the number of transfers in both ETCRH and
[4] Set each bit in DMACR.
[5] Read the DTE bit in DMABCRL as 0.
[6] Set each bit in DMABCRL.
• Set the DTE bit to 1 to enable transfer.
• Clear the FAE bit to 0 to select short address
• Specify enabling or disabling of internal
destination address in MAR and IOAR.
ETCRL.
• Set the transfer data size with the DTSZ bit.
• Specify whether MAR is to be incremented or
• Set the RPE bit to 1.
• Specify the transfer direction with the DTDIR
• Select the activation source with bits DTF3 to
• Clear the DTIE bit to 0.
mode.
interrupt clearing with the DTA bit.
decremented with the DTID bit.
bit.
DTF0.
Section 7 DMA Controller (DMAC)
Page 359 of 1372