R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 1145
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
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
-
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H8S/2426, H8S/2426R, H8S/2424 Group
(j)
The boot program will set a new bit rate and return the new bit rate.
This selection should be sent after sending the clock mode selection command.
• Command, H'3F, (1 byte): Selection of new bit rate
• Size (1 byte): The number of bytes that represents the bit rate, input frequency, number of
• Bit rate (2 bytes): New bit rate
• Input frequency (2 bytes): Frequency of the clock input to the boot program
• Number of multiplication ratios (1 byte): The number of multiplication ratios to which the
• Multiplication ratio 1 (1 byte): The value of multiplication or division ratios for the main
• Multiplication ratio 2 (1 byte): The value of multiplication or division ratios for the peripheral
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Command
multiplication ratios, and multiplication ratio
One hundredth of the value (e.g. when the value is 19,200 bps, the bit rate is H'00C0, which is
192.)
This is valid to the hundredths place and represents the value in MHz multiplied by 100 (e.g.
when the value is 64 MHz, the input frequency is H'1900 (= 6400)).
device can be set.
operating frequency
Multiplication ratio (1 byte): The value of the multiplication ratio (e.g. when the clock
frequency is multiplied by four, the multiplication ratio will be H'04.)
Division ratio: The inverse of the division ratio, as a negative number (e.g. when the clock
frequency is divided by two, the value of division ratio will be H'FE. H'FE = [-2])
frequency
Multiplication ratio (1 byte): The value of the multiplication ratio (e.g. when the clock
frequency is multiplied by four, the multiplication ratio will be H'04.)
(Division ratio: The inverse of the division ratio, as a negative number (e.g. when the clock is
divided by two, the value of division ratio will be H'FE. H'FE = [-2])
New Bit-Rate Selection
H'3F
Number of
multiplication ratios
SUM
Size
Multiplication
ratio 1
Bit rate
Multiplication
ratio 2
Input frequency
Section 21 Flash Memory
Page 1115 of 1372
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