R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 1186

• 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
23.6.8
This command reads the status of the lock bit of a block.
H'71xx is read in the first bus cycle, and the lock bit data (D6) is read in the second bus cycle.
Note that data must be read from an even address in the user ROM, data flash, or user boot ROM.
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Read Lock Bit Data
Figure 23.7 Flowchart of Lock Bit Program Command Processing
Write command code "H'77xx"
to the lowest address of the block.
Write H'D0xx to the lowest
address of the block.
Full status check
End of program
FMRDY = 1?
Start
Yes
No
H8S/2427, H8S/2427R, H8S/2425 Group
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010