R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 454
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 8 EXDMA Controller (EXDMAC)
In block transfer mode, a transfer of the specified block size is executed in response to one transfer
request. The block size can be from 1 to 256 bytes or words. Within a block, transfer can be
performed at the same high speed as in block transfer mode.
When the "no specification" setting (EDTCR = H'000000) is made for the number of transfers, the
transfer counter is halted and there is no limit on the number of transfers, allowing transfer to be
performed endlessly.
Incrementing or decrementing the memory address by 1 or 2, or leaving the address unchanged,
can be specified independently for each address register.
In all transfer modes, it is possible to set a repeat area comprising a power-of-two number of
bytes.
8.4.2
Address Modes
(1)
Dual Address Mode
In dual address mode, both the transfer source and transfer destination are specified by registers in
the EXDMAC, and one transfer is executed in two bus cycles.
The transfer source address is set in the source address register (EDSAR), and the transfer
destination address is set in the transfer destination address register (EDDAR).
In a transfer operation, the value in external memory specified by the transfer source address is
read in the first bus cycle, and is written to the external memory specified by the transfer
destination address in the next bus cycle.
These consecutive read and write cycles are indivisible: another bus cycle (external access by an
internal bus master, refresh cycle, or external bus release cycle) does not occur between these two
cycles.
ETEND pin output can be enabled or disabled by means of the ETENDE bit in EDMDR. ETEND
is output for two consecutive bus cycles. The EDACK signal is not output.
Page 424 of 1392
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
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