R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1228
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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Manufacturer
Quantity
Price
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
REALTEK
Quantity:
2 300
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
Renesas Electronics America
Quantity:
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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
Page 1198 of 1448
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
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