HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 830

• 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: -

Section 21A ROM
(H8S/2636 Group)
Page 780 of 1458
Notes: 1. Prewriting (setting erase block data to all 0s) is not necessary.
2. Verify data is read in 16-bit (word) units.
3. Make only a single-bit specification in the erase block registers (EBR1 and EBR2). Two or more bits must not be set simultaneously.
4. Erasing is performed in block units. To erase multiple blocks, each block must be erased in turn.
5. The wait times and the value of N are shown in section 24.1.7, Flash Memory Characteristics.
Increment
address
Figure 21A-13 Erase/Erase-Verify Flowchart
NG
NG
Set block start address as verify address
H'FF dummy write to verify address
Clear ESU bit in FLMCR1
Clear SWE bit in FLMCR1
Set SWE bit in FLMCR1
Set ESU bit in FLMCR1
Clear EV bit in FLMCR1
Clear E bit in FLMCR1
Set EV bit in FLMCR1
All erase block erased?
Last address of block?
*4
Set E bit in FLMCR1
Set EBR1 or EBR2
Verify data = all 1s?
Read verify data
End of erasing
Wait (t
Wait (t
Wait (t
Wait (t
Wait (t
Wait (t
Wait (t
Disable WDT
Wait (t
Enable WDT
Wait (t
n = 1
Start
sswe
cswe
sesu
cesu
sevr
sev
cev)
se
ce
OK
) ms
OK
OK
) μs
) μs
) μs
) μs
) μs
) μs
) μs
μs
*1
NG
*5
*3 *4
*5
Start of erase
*5
Erase halted
*5
*5
*5
*5
*2
*5
*5
Clear SWE bit in FLMCR1
Clear EV bit in FLMCR1
Wait (t
Wait (t
Erase failure
n ≥ (N)?
cswe
cev
H8S/2639, H8S/2638, H8S/2636,
OK
) μs
) μs
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
*5
NG
n ← n + 1
*5
*5
May 28, 2010