DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 246

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 8 DMA Controller
Figure 8.7 shows a sample setup procedure for repeat mode.
Rev. 3.00 Mar 21, 2006 page 216 of 814
REJ09B0302-0300
destination addresses
Set transfer count
Set source and
Repeat mode
Repeat mode
Read DTCR
Set DTCR
Figure 8.7 Repeat Mode Setup Procedure (Example)
1
2
3
4
1. Set the source and destination addresses
2. Set the transfer count in both ETCRH
3. Read DTCR while the DTE bit is cleared
4. Set the DTCR bits as follows.
in MAR and IOAR. The transfer direction
is determined automatically from the
activation source.
and ETCRL.
to 0.
• Select the DMAC activation source
• Clear the DTIE bit to 0 and set the
• Select MAR increment or decrement
• Select byte size or word size with the
• Set the DTE bit to 1 to enable the
with bits DTS2 to DTS0.
RPE bit to 1 to select repeat mode.
with the DTID bit.
DTSZ bit.
transfer.