R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 356
R4F24568NVFQV
Manufacturer Part Number
R4F24568NVFQV
Description
MCU 128KKB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K 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
Eeprom Size
-
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H8S/2456, H8S/2456R, H8S/2454 Group
Section 7 DMA Controller (DMAC)
7.3.1
Memory Address Registers (MARA and MARB)
MAR is a 32-bit readable/writable register that specifies the source address (transfer source
address) or destination address (transfer destination address). MAR consists of two 16-bit registers
MARH and MARL. The upper 8 bits of MARH are reserved: they are always read as 0, and
cannot be modified.
The DMA has four MAR registers: MAR_0A in channel 0 (channel 0A), MAR_0B in channel 0
(channel 0B), MAR_1A in channel 1 (channel 1A), and MAR_1B in channel 1 (channel 1B).
MAR is not initialized by a reset or in standby mode.
Short Address Mode: In short address mode, MARA and MARB operate independently.
Whether MAR functions as the source address register or as the destination address register can be
selected by means of the DTDIR bit in DMACR.
MAR is incremented or decremented each time a byte or word transfer is executed, so that the
address specified by MAR is constantly updated.
Full Address Mode: In full address mode, MARA functions as the source address register, and
MARB as the destination address register.
MAR is incremented or decremented each time a byte or word transfer is executed, so that the
source or destination address is constantly updated.
Page 326 of 1392
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
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