R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1184
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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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
REALTEK
Quantity:
2 300
Company:
Part Number:
R4F24278NVFQU
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 23 Flash Memory
23.6.6
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 bus 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 23.6 shows a flowchart of the block blank check command processing.
Page 1154 of 1448
Block Blank Check
Figure 23.6 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
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
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