R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 448

• Manufacturer Part Number: R5F61665N50FPV
• Description: MCU FLASH 512K ROM 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61665N50FPV

• Core Processor: H8SX
• Core Size: 16/32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 92
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; 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: -

Section 10 DMA Controller (DMAC)
10.5.6
The source and destination addresses are updated by fixing, increment/decrement by 1, 2, or 4, or
offset addition. When the offset addition is selected, the offset specified by the offset register
(DOFR) is added to the address every time the DMAC transfers the data access size of data. This
function realizes a data transfer where addresses are allocated to separated areas.
Figure 10.17 shows the address update method.
In item (a), Address fixed, the transfer source or destination address is not updated indicating the
same address.
In item (b), Increment or decrement by 1, 2, or 4, the transfer source or destination address is
incremented or decremented by the value according to the data access size at each transfer. Byte,
word, or longword can be specified as the data access size. The value of 1 for byte, 2 for word, and
4 for longword is used for updating the address. This operation realizes the data transfer placed in
consecutive areas.
In item (c), Offset addition, the address update does not depend on the data access size. The offset
specified by DOFR is added to the address every time the DMAC transfers data of the data access
size.
Rev. 2.00 Oct. 21, 2009 Page 414 of 1454
REJ09B0498-0200
Address Update Function using Offset
(a) Address fixed
External memory
Address not
updated
±0
Figure 10.17 Address Update Method
(b) Increment or decrement
Data access size
added to or subtracted
from address (addresses
are continuous)
External memory
by 1, 2, or 4
±1, 2, or 4
(c) Offset addition
Offset is added to address
(addresses are not
continuous)
External memory
+ offset