DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 644

• 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 618 of 878
REJ09B0259-0700
FLMCR:
EBR1:
EBR2:
TCSR:
;
START:
;
;
PRETST: CMP.B
BC0:
PWADD1: INC.B
;
PREWRT: MOV.L
LOOPR0
PREW:
Set R0 value
#RAMSTR is starting destination address to which program is transferred in RAM
Set #RAMSTR to even number
Execute prewrite
MOV.W
MOV.W
SUB.W
MOV.L
ADD.L
SUB.L
BEQ
CMP.B
BCC
BTST
BNE
BRA
BTST
BNE
MOV.L
BRA
MOV.L
MOV.W
MOV.W
MOV.B
DEC.W
BPL
MOV.W
MOV.B
.EQU
.EQU
.EQU
.EQU
#FFFF,
R6,
R1,
#RAMSTR:32, ER2
#ERVADR:32, ER2
#START:32,
#10,
ERASES
#08,
BC0
R1L,
PREWRT
PWADD1
R1L,
PREWRT
R1L
@ER2+,
PRETST
@ER2+,
@ER2,
#g,
#4140,
R5L,
#1,
LOOPR0
R6,
#01,
FFFF40
FFFF42
FFFF43
FFFFA8
R6
R0
R1
R1L
R1L
R0H
R0L
ER3
ER3
ER4
E5
R5
@FLMCR:8 ;
E5
@EBR1:16 ;
R1H
ER2
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Select blocks to be erased (R6: EBR1/EBR2)
R0: EBR1/EBR2
R1L: used to test R1-th bit in R0
Starting transfer destination address
#RAMSTR + #ERVADR
ER2: address of data area used in RAM
R1L = #10?
If finished checking all R0 bits, branch to ERASES
Test R1-th bit in R0
If R1-th bit in R0 is 1, branch to PREWRT
R1L + 1
Dummy-increment ER2
ER3: prewrite starting address
ER4: top address of next block
Wait counter
Set V
Set EBR (R6: EBR1/EBR2)
Prewrite-verify fail count
PP
E bit
PP
R1L
= 12 V))
ER2