HD64F36912GFH Renesas Electronics America, HD64F36912GFH Datasheet - Page 139

• Manufacturer Part Number: HD64F36912GFH
• Description: IC H8 MCU FLASH 8K 32-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F36912GFH

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 12MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Table 7.4
Table 7.5
Table 7.6
Note: Time shown in s.
7.4.2
When erasing flash memory, the erase/erase-verify flowchart shown in figure 7.4 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 even address. Verify data
Program Data
0
0
1
1
Reprogram Data
0
0
1
1
n
(Number of Writes)
1 to 6
7 to 1,000
register (EBR1). To erase multiple blocks, each block must be erased in turn.
overflow cycle of approximately 19.8 ms is allowed.
can be read in words from the address to which a dummy write was performed.
Erase/Erase-Verify
Reprogram Data Computation Table
Additional-Program Data Computation Table
Programming Time
Verify Data
0
1
0
1
Verify Data
0
1
0
1
Programming
Time
30
200
Reprogram Data
1
0
1
1
Additional-Program
Data
0
1
1
1
In Additional
Programming
10
—
Rev. 3.00 Sep. 14, 2006 Page 109 of 408
Comments
Programming completed
Reprogram bit
—
Remains in erased state
Comments
Additional-program bit
No additional programming
No additional programming
No additional programming
Comments
REJ09B0105-0300
Section 7 ROM