D12674RVFQ33D Renesas Electronics America, D12674RVFQ33D Datasheet - Page 846

• Manufacturer Part Number: D12674RVFQ33D
• Description: MCU 3V 0K I-TEMP 144-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of D12674RVFQ33D

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 33MHz
• Connectivity: IrDA, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 103
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: HD6412674RVFQ33D; HD6412674RVFQ33D

Section 19 Flash Memory (F-ZTAT Version)
3. After the program data has been confirmed, the RAMS bit is cleared, thus releasing RAM
4. The data written in the overlapping RAM is written into the flash memory space (EB0).
Example in which flash memory block is overlapped is shown in figure 19.9.
1. The RAM area to be overlapped is fixed at a 4-kbyte area in the range of H'FFA000 to
2. The flash memory area to overlap is selected by RAMER from a 4-kbyte area among one of
3. The overlapped RAM area can be accessed from both the flash memory addresses and RAM
Notes: 1. When the RAMS bit in RAMER is set to 1, program/erase protection is enabled for all
Rev. 3.00 Mar 17, 2006 page 794 of 926
REJ09B0283-0300
overlap.
H'FFAFFF.
the EB0 to EB7 blocks.
addresses.
2. A RAM area cannot be erased by execution of software in accordance with the erase
flash memory blocks (emulation protection). In this state, setting the P or E bit in
FLMCR1 to 1 does not cause a transition to program mode or erase mode.
algorithm.
Figure 19.8 Flowchart for Flash Memory Emulation in RAM
No
Execute application program
Write tuning data to overlap
Start of emulation program
End of emulation program
Write to flash memory
emulation block
Clear RAMER
Set RAMER
Tuning OK?
RAM
Yes