R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1192
R4F24278NVFQU
Manufacturer Part Number
R4F24278NVFQU
Description
MCU 512K/48K 2.7-5.5V 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24278NVFQU.pdf
(1482 pages)
Specifications of R4F24278NVFQU
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, Smart Card, SPI, SSU, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
98
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
64K 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
Available stocks
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Quantity
Price
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R4F24278NVFQU
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REALTEK
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Section 23 Flash Memory
23.10
23.10.1 Prohibited Interrupts (EW0 Mode)
• The NMI and watchdog timer interrupts can be used because FLMCR1 is forcibly initialized
23.10.2 Access Method
To set the FMCMDEN bit to 1, be sure to write 0 to the bit and then write 1 in a row. Make sure
that no interrupt, EXDMAC transfer, DTC transfer, or DMA transfer is generated between writing
0 and 1.
23.10.3 Programming (EW0 Mode)
If the power-supply voltage falls during programming of the block that stores the programming
control program, the programming control program cannot be correctly modified and the flash
memory may not be programmed after that. In this case, use the on-board programming mode or
programmer mode instead.
23.10.4 Writing Commands or Data
The address to write a command code should be a multiple of four (H'0, H'4, H'8, H'C, ...).
23.10.5 Software Standby Mode
Before entering the stop mode, set the FMCMDEN bit to 0 (CPU programming mode disabled),
disable the DMA transfer, and then make a transition to the software standby mode.
Page 1162 of 1448
when an interrupt is generated; specify the destination address of each interrupt routine in the
fixed vector table. Flash memory programming is terminated when an NMI interrupt or a
watchdog timer interrupt occurs. In this case, execute the programming program again after the
interrupt routine is completed.
Notes on User Program Mode
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
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