HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 158

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• 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: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 6 ROM
Rev. 6.00 Sep 12, 2006 page 136 of 526
REJ09B0326-0600
PREWRT: MOV.B #H'00,
PREWRS: INC
LOOPR1: SUBS
LOOPR2: DEC
ABEND1:
PWVFOK: ADDS
;
Execute erase
MOV.W #H'a,
MOV.B #H'00,
MOV.B R1H,
MOV.W #H'FE5A, R4
MOV.B R4L,
MOV.B R4H,
MOV.B #H'36,
MOV.B R4L,
MOV.W R5,
BSET
MOV.W R4,
BNE
BCLR
MOV.B #H'50,
MOV.B R4L,
MOV.B #H'c,
BNE
MOV.B @R3,
BEQ
CMP.B #H'06,
BEQ
ADD.W R5,
BRA
Write error
CMP.W R2,
BNE
R6L
#0,
#1,
LOOPR1
#0,
R4H
LOOPR2
PWVFOK
ABEND1
PREWRS
#1,
PREWRT
R6L
R5
R1H
@R3
@TCSRW:8
@TCW:8
R4L
@TCSRW:8
R4
@FLMCR:8
R4
R4
@FLMCR:8
R4L
@TCSRW:8
R4H
R1H
R6L
R5
R3
R3
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Prewrite verify fail counter
Set prewrite loop counter
Prewrite-vector fail counter + 1
Write H'00
Start watchdog timer
Set prewrite loop counter
Set P bit
Wait loop
Clear P bit
Stop watchdog timer
Set prewrite-verify loop counter
Wait loop
Read data = H'00?
If read data = H'00, branch to PWVFOK
Prewrite-verify executed 6 times?
If prewrite-verify executed 6 times, branch to ABEND1
Double the programming time
Prewrite again
Address + 1
Last address?
If not last address, prewrite next address
R3
R6L