R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1228

• 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

Section 23 Flash Memory
(14) Data Flash Sum Check
The boot program will add all the data bytes in the data flash area and return the result in response
to the data flash sum check.
• Command, H'61, (1 byte): Sum check for data flash
• Response, H'71, (1 byte): Response to the data flash sum check
• Size (1 byte): The number of bytes that represents the checksum
• Checksum of data flash (4 bytes): Result of checksum calculation for the data flash area; the
• SUM (1 byte): Sum check for data being transmitted
(15) User boot ROM Blank Check
The boot program will check to see if the whole user boot ROM area is blank and return the result
in response to the user boot ROM blank check.
• Command, H'4C, (1 byte): Blank check for user boot ROM
• Response, H'06, (1 byte): Response to the user boot ROM blank check
• Error response, H'CC, (1 byte): Error response to blank check for user boot ROM
• Error code, H'52, (1 byte): Erasure incomplete error
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Command
Response
Command
Response
Error response
total of all the data in the area, in byte units.
If all user boot ROM areas are blank (H'FF), the boot program will return ACK.
This is fixed to 4.
H'71
H'61
H'4C
H'06
H'CC
Size
H'52
Checksum of data flash
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
SUM
Jul 22, 2010