W78E052DDG Nuvoton Technology Corporation of America, W78E052DDG Datasheet - Page 86

• Manufacturer Part Number: W78E052DDG
• Description: IC MCU 8-BIT 8K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E052DDG

• 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: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

wr_lp:
;*******************************************************************************
;*Program Verify APROM BANK, read APROM 55h,AAh,55h,AAh........
;*******************************************************************************
Program_Verify_APROM:
rd_lp:
mov
mov
mov
mov
mov
mov
mov
mov
setb
mov
clr
clr
cpl
inc
mov
cjne
mov
cjne
ret
mov
mov
mov
mov
mov
mov
mov
setb
mov
clr
clr
mov
cjne
mov
SFRCN,#PROGRAM_ROM
DPTR,#0000h
A,#055h
TH0,#HIGH(65536-PROGRAM_TIME)
TL0,#LOW (65536-PROGRAM_TIME)
SFRFD,A
SFRAL,DPL
SFRAH,DPH
TR0
CHPCON,#00000011b
TF0
TR0
A
DPTR
R0,DPL
R0,#LOW (APROM_END_ADDRESS),wr_lp
R1,DPH
R1,#HIGH(APROM_END_ADDRESS),wr_lp
SFRCN,#PROGRAM_VERIFY_ROM
DPTR,#0000h
B,#055h
TH0,#HIGH(65536-READ_TIME)
TL0,#LOW (65536-READ_TIME)
SFRAL,DPL
SFRAH,DPH
TR0
CHPCON,#00000011b
TF0
TR0
A,SFRFD
A,B,Program_Fail
A,B
W78E054D/W78E052D/W78E051D Data Sheet
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