R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 1157

• Manufacturer Part Number: R4F24268NVFQV
• Description: MCU 256K FLASH 48K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

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: -

H8S/2426, H8S/2426R, H8S/2424 Group
(11) Memory Read
The boot program will return the data stored in the specified address in response to a memory read
command.
• Command, H'52, (1 byte): Memory read
• Size (1 byte): Amount of data that represents the area, read address, and read size (fixed at 9)
• Area (1 byte):
• Read address (4 bytes): Start address to be read from
• Read size (4 bytes): Size of data to be read
• SUM (1 byte): Checksum
• Response H'52 (1 byte): Response to memory read
• Read size (4 bytes): Size of data to be read
• Data (n bytes): Data for the read size from the read address
• SUM (1 byte): Checksum
• Error response: H'D2 (1 byte): Error response to memory read
• ERROR: (1 byte): Error code
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Command
Response
Error response
H'01: User ROM area
H'11: Sum check error
H'2A: Address error
H'2B: Data size error
An address error occurs when the area setting is incorrect.
The read address is not in the ROM.
The read size is greater than the size of the ROM.
H'52
Read size
H'52
Data
SUM
H'D2
Size
Read size
…
ERROR
Area
Read address
SUM
Section 21 Flash Memory
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