HD64F3644DV Renesas Electronics America, HD64F3644DV Datasheet - Page 159

• Manufacturer Part Number: HD64F3644DV
• Description: IC H8/3644 MCU FLASH 64QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644DV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

ERASES: MOV.W #H'0000, R6
ERASE:
LOOPE:
;
LOOPEV: DEC
EVR2:
LOOPDW: DEC
Execute erase-verify
MOV.W #H'd,
ADDS
MOV.W #H'e5A, R4
MOV.B R4L,
MOV.B R4H,
MOV.B #H'36,
MOV.B R4L,
MOV.W R5,
BSET
NOP
NOP
NOP
NOP
SUBS
MOV.W R4,
BNE
BCLR
MOV.B #H'50,
MOV.B R4L,
MOV.W R0,
MOV.B #H'b,
BSET
BNE
MOV.B #H'FF,
MOV.B R1H,
MOV.B #H'c,
BNE
MOV.B @R3+,
CMP.B #H'FF,
BNE
#1,
#1,
#1,
LOOPE
#1,
#3,
R4H
LOOPEV
R4H
LOOPDW
RERASE
R5
R6
@TCSRW:8
@TCW:8
R4L
@TCSRW:8
R4
@FLMCR:8
R4
R4
@FLMCR:8
R4L
@TCSRW:8
R3
R4H
@FLMCR:8
R1H
@R3
R4H
R1H
R1H
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Erase-verify fail counter
Set erase loop counter
Erase-verify fail counter + 1
Start watchdog timer
Set erase loop counter
Set E bit
Wait loop
Clear E bit
Stop watchdog timer
Start address of block to be erased
Set erase-verify loop counter
Set EV bit
Wait loop
Dummy write
Set erase-verify loop counter
Wait loop
Read
Read data = H'FF?
If read data ≠ H'FF, branch to RERASE
Rev. 6.00 Sep 12, 2006 page 137 of 526
R6
REJ09B0326-0600
Section 6 ROM