R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1227

• Manufacturer Part Number: R4F24278NVFQU
• Description: MCU 512K/48K 2.7-5.5V 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

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

H8S/2427, H8S/2427R, H8S/2425 Group
(12) User Boot ROM Sum Check
The boot program will add all the data bytes in the user boot ROM area and return the result in
response to the user boot ROM sum check.
• Command, H'4A, (1 byte): Sum check for user boot ROM
• Response, H'5A, (1 byte): Response to the user boot ROM sum check
• Size (1 byte): The number of bytes that represents the checksum
• Checksum of user boot ROM (4 bytes): Result of checksum calculation for the user boot ROM
• SUM (1 byte): Sum check for data being transmitted
(13) User ROM Sum Check
The boot program will add all the data bytes in the user ROM area and return the result in
response to the user ROM sum check.
• Command, H'4B, (1 byte): Sum check for user ROM
• Response, H'5B, (1 byte): Response to the user ROM sum check
• Size (1 byte): The number of bytes that represents the checksum
• Checksum of user ROM (4 bytes): Result of checksum calculation for the user ROM area; the
• SUM (1 byte): Sum check for data being transmitted
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
Response
Response
Command
Command
area; the total of all the data in the area, in byte units.
total of all the data in the area, in byte units.
This is fixed to 4.
This is fixed to 4.
H'5A
H'5B
H'4A
H'4B
Size
Size
Checksum of user ROM
Checksum of user boot ROM
SUM
SUM
Section 23 Flash Memory
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