R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 441
R4F24268NVFQV
Manufacturer Part Number
R4F24268NVFQV
Description
MCU 256K FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVFQV
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
48K 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
-
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H8S/2426, H8S/2426R, H8S/2424 Group
8.3.2
EDDAR is a 32-bit readable/writable register that specifies the transfer destination address. An
address update function is provided that updates the register contents to the next transfer
destination address each time transfer processing is performed. In single address mode, the
EDDAR value is ignored when a device with DACK is specified as the transfer destination.
The upper 8 bits of EDDAR are reserved; they are always read as 0 and cannot be modified. Only
0 should be written to these bits.
EDDAR can be read at all times by the CPU. When reading EDDAR for a channel on which
EXDMA transfer processing is in progress, a longword-size read must be executed. Do not write
to EDDAR for a channel on which EXDMA transfer is in progress. The initial values of EDDAR
are undefined.
8.3.3
EDTCR specifies the number of transfers. The function differs according to the transfer mode. Do
not write to EDTCR for a channel on which EXDMA transfer is in progress.
(1)
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Bit
31 to 24
23 to 0
Normal Transfer Mode
EXDMA Destination Address Register (EDDAR)
EXDMA Transfer Count Register (EDTCR)
Bit Name
⎯
Initial Value
All 0
All 0
R/W
⎯
R/W
Description
Reserved
These bits are always read as 0 and cannot be
modified.
24-Bit Transfer Counter
These bits specify the number of transfers. Setting
H'000001 specifies one transfer. Setting H'000000
means no specification for the number of
transfers, and the transfer counter function is
halted. In this case, there is no transfer end
interrupt by the transfer counter. Setting
H'FFFFFF specifies the maximum number of
transfers, that is 16,777,215. During EXDMA
transfer, this counter shows the remaining number
of transfers.
This counter can be read at all times. When
reading EDTCR for a channel on which EXDMA
transfer processing is in progress, a longword-size
read must be executed.
Section 8 EXDMA Controller (EXDMAC)
Page 411 of 1372
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