HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 19

• Manufacturer Part Number: HD64F2638F20J
• Description: IC H8S MCU FLASH 256K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2638F20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Item
21C.4.3 Mode
Transitions
Figure 21C-3 Flash
Memory State
Transitions
21C.9.1 Program
Mode
21C.9.2 Program-
Verify Mode
Figure 21C-12
Program/Program-
Verify Flowchart
21C.9.3 Erase Mode
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page
855
880
884
885
Revision (See Manual for Details)
Notes amended
Notes: 2. This LSI transits to programmer mode by using the
Description amended
The wait times after bits are set or cleared in the flash memory
control register 1 (FLMCR1) and the maximum number of
programming operations (N) are shown in section 24.2.7,
24.3.7, and 24.4.7, Flash Memory Characteristics.
Figure amended
Description amended
The wait times after bits are set or cleared in the flash memory
control register 1 (FLMCR1) and the maximum number of
erase operations (N) are shown in
Flash Memory Characteristics.
…
Next, the watchdog timer (WDT) is set to prevent overerasing
due to program runaway, etc. Set a value of about 19.8 ms as
the WDT overflow period.
dedicated PROM programmer.
Clear SWE bit in FLMCR1
End of programming
Wait (t
m = 0 ?
cswe
Yes
) μs
No
*
7
Clear SWE bit in FLMCR1
Programming failure
section 24.2.7 and 24.3.7,
Wait (t
n ≥ (N)?
cswe
Yes
) μs
*
7
No
*
7
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