R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 467
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
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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Part Number:
R4F24268NVRFQV
Manufacturer:
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Quantity:
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H8S/2426, H8S/2426R, H8S/2424 Group
Figure 8.11 shows EDTCR update operations in normal transfer mode and block transfer mode.
(4)
The EDA bit in EDMDR is written to by the CPU to control enabling and disabling of data
transfer, but may be cleared automatically by the EXDMAC due to the DMA transfer status. There
are also periods during transfer when a 0-write to the EDA bit by the CPU is not immediately
effective.
Conditions for EDA bit clearing by the EXDMAC include the following:
• When the EDTCR value changes from 1 to 0, and transfer ends
• When a repeat area overflow interrupt is requested, and transfer ends
• When an NMI interrupt is generated, and transfer halts
• A reset
• Hardware standby mode
• When 0 is written to the EDA bit, and transfer halts
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
EDA Bit in EDMDR
EDTCR in normal transfer mode
EDTCR
EDTCR
EDTCR in block transfer mode
EDTCR
EDTCR
Figure 8.11 EDTCR Update Operations in Normal Transfer Mode and
23
23
23
23
Block
Block
size
size
16
16
1 to H'FFFFFF
Before update
Before update
15
15
0
1 to H'FFFF
Block Transfer Mode
0
0
0
0
0
Fixed
Fixed
–1
–1
23
23
23
23
Block
Block
size
size
Section 8 EXDMA Controller (EXDMAC)
16
16
0 to H'FFFFFE
After update
After update
15
15
0
0 to H'FFFE
0
Page 437 of 1372
0
0
0
0
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