DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 640

• Manufacturer Part Number: DF3048X16V
• Description: MCU 5V 128K,PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048X16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 19 Flash Memory (H8/3048F: Dual Power Supply (V
Rev. 7.00 Sep 21, 2005 page 614 of 878
REJ09B0259-0700
;
LOOPEV: DEC.W
EVR2:
LOOPDW: DEC.W
address
RERASE: MOV.W
KEEP:
OKEND:
Execute erase-verify
PUSH.L
POP.L
PUSH.L
POP.L
DEC.W
BPL
MOV.B
MOV.B
MOV.W
MOV.W
MOV.B
MOV.B
MOV.W
BPL
MOV.B
MOV.W
BPL
MOV.B
CMP.B
BNE
CMP.L
BGT
BRA
MOV.B
DEC.L
CMP.W
BGE
SHLL.W
BRA
MOV.W
ER5
ER5
ER5
ER5
#1,
LOOPE
#40,
R5H,
#A500,
R5,
#48,
R5H,
#e ,
#1,
LOOPEV
#FF,
#h,
#1,
LOOPDW
@ER3+,
#FF,
RERASE
ER2,
EVR2
OKEND,
#4000,
R5H,
#1,
#0004,
KEEP
E4
ERASE
#4000,
R4
R5H
@FLMCR:8 ;
R5
@TCSR:16 ;
R5H
@FLMCR:8 ;
R4
R4
@ER3
R4
R4
R4H
R4H
ER3
R5
@FLMCR:8 ;
ER3
R0
R5
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Erase
Clear E bit
Stop watchdog timer
Set EV bit
R4: erase-verify loop counter
Wait
Dummy write
R4: erase-verify loop counter
Wait
Read
Read data = H'FF?
If read data
Last address in block?
If not last address in block, erase-verify next
Branch to OKEND
Clear EV bit
Erase-verify address – 1
Erase executed 4 times?
Double erase loop counter value
Erase again
PP
= 12 V))
H'FF, branch to RERASE
R3