W78E516DPG Nuvoton Technology Corporation of America, W78E516DPG Datasheet - Page 88

• Manufacturer Part Number: W78E516DPG
• Description: IC MCU 8-BIT 64K FLASH 44-PLCC
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E516DPG

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 36
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

;******************************************************************************
;* PROGRAMMING COMPLETLY, SOFTWARE RESET CPU
;******************************************************************************
ERROR_:
READ_VERIFY_:
.
WITH IT.
MOV DPTR,#0H
MOV R2,#0H
MOV R1,#0H
MOV SFRAH,R1
MOV SFRCN,#00H
MOV SFRAL,R2
MOV TCON,#10H
MOV PCON,#01H
INC R2
MOVX A,@DPTR
INC DPTR
CJNE A,SFRFD,ERROR_
CJNE R2,#0H,READ_VERIFY_
INC R1
MOV SFRAH,R1
CJNE R1,#C0H,READ_VERIFY_
MOV CHPENR,#87H
MOV CHPENR,#59H
MOV CHPCON,#83H
DJNZ R4,UPDATE_
Preliminary W78E516D/W78E058D Data Sheet
;SFRCN=00 (Read ROM CODE)
;TCON=10H,TR0=1,GO
;CHPENR=87H
;CHPENR=59H
;CHPCON=83H, SOFTWARE RESET.
;IF ERROR OCCURS, REPEAT 3 TIMES.
;IN-SYSTEM PROGRAMMING FAIL, USER'S PROCESS TO DEAL
;SFRAL(C4H)= LOW ADDRESS
;Target low byte address
;Target high byte address
;SFRAH, Target high address
- 88 -
;The start address of sample code