HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 196
HD64F38024DV
Manufacturer Part Number
HD64F38024DV
Description
IC H8/SLP MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheets
1.US38024-BAG1.pdf
(684 pages)
2.DF36012GFYV.pdf
(1021 pages)
3.DF38102HV.pdf
(145 pages)
Specifications of HD64F38024DV
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
LCD, PWM, WDT
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F38024DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 6 ROM
6.8.2
When erasing flash memory, the erase/erase-verify flowchart shown in figure 6.11 should be
followed.
1. Prewriting (setting erase block data to all 0s) is not necessary.
2. Erasing is performed in block units. Make only a single-bit specification in the erase block
3. The time during which the E bit is set to 1 is the flash memory erase time.
4. The watchdog timer (WDT) is set to prevent overerasing due to program runaway, etc. An
5. For a dummy write to a verify address, write 1-byte data H'FF to an address whose lower 1 bit
6. If the read data is not erased successfully, set erase mode again, and repeat the erase/erase-
6.8.3
All interrupts, are disabled while flash memory is being programmed or erased, or while the boot
program is executing, for the following three reasons:
1. Interrupt during programming/erasing may cause a violation of the programming or erasing
2. If interrupt exception handling starts before the vector address is written or during
3. If an interrupt occurs during boot program execution, normal boot mode sequence cannot be
Rev. 8.00 Mar. 09, 2010 Page 174 of 658
REJ09B0042-0800
register (EBR). To erase multiple blocks, each block must be erased in turn.
overflow cycle of approximately 19.8 ms is allowed.
is b'0. Verify data can be read in word size from the address to which a dummy write was
performed.
Do not use RTS instruction from dummy write to verify data read. (This does not apply to the
HD64F38124 and HD64F38122.)
verify sequence as before. The maximum number of repetitions of the erase/erase-verify
sequence is 100.
algorithm, with the result that normal operation cannot be assured.
programming/erasing, a correct vector cannot be fetched and the CPU malfunctions.
carried out.
Erase/Erase-Verify
Interrupt Handling when Programming/Erasing Flash Memory
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