R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 1125
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
21.4.6
This command checks if a block is blank (the erased state).
Write H'25xx in the first bus cycle and H'D0xx to the lowest address (an even address) of the
target block in the second cycle; the check result will be stored in the FMERSF bit in FLMSTR.
After the FMRDY bit in FLMSTR has become 1 (ready), read the FMERSF bit.
Figure 21.5 shows a flowchart of the block blank check command processing.
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Block Blank Check
Figure 21.5 Flowchart of Block Blank Check Command Processing
Note: Write the command code and data to even addresses.
Write command code "H'25xx".
Write "H'D0xx" to the lowest
address of the block.
FMRDY = 1?
FMERSF = 0?
Blank
Start
YES
YES
NO
NO
Not blank
Section 21 Flash Memory
Page 1095 of 1372
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