R4F24269NVFQV Renesas Electronics America, R4F24269NVFQV Datasheet - Page 1130

• Manufacturer Part Number: R4F24269NVFQV
• Description: MCU 256KB FLASH 64K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of R4F24269NVFQV

• 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: 64K 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: -

Section 21 Flash Memory
21.7
21.7.1
The NMI and watchdog timer interrupts can be used because FLMCR1 is forcibly initialized 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, reexecute the programming program after the interrupt routine
is completed.
21.7.2
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.
21.7.3
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 boot mode or programmer mode
instead.
21.7.4
The address to write a command code or data should be H'0, H'4, H'8, or H'C.
21.7.5
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 1100 of 1372
Notes on User Programming Mode
Prohibited Interrupts (EW0 Mode)
Access Method
Programming (EW0 Mode)
Writing Commands or Data
Software Standby Mode
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010