W78E052DDG Nuvoton Technology Corporation of America, W78E052DDG Datasheet - Page 65

• 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: -

Get the parameters of new code
Setting Timer and enable Timer
(50us for program operation)
through I/O ports, UART or
Setting control registers for
(Address and data bytes)
MOV SFRAH,#ADDRESS_H
Ease 14K AP programming:
End of Programming ?
MOV SFRAL,#ADDRESS_L
interrupt for wake-up .
MOV SFRFD,#DATA
other interfaces
MOV SFRCN,#21H
MOV SFRCN,#22H
MOV ERPAGE,#01
programming:
PGM
NO
.
YES
W78E054D/W78E052D/W78E051D Data Sheet
MOV CHPCON,#03h
MOV CHPCON,#03h
MOV SFRCN,#0Ch
MOV CHPCON,#03h
MOV CHPCON,#03h
Read_Compay_ID
Read_Device_ID
OV SFRCN,#0Bh
MOV SFRAH,#00h
MOV SFRAH,#00h
MOV SFRCN,#0Dh
MOV SFRCN,#0Eh
MOV SFRAL,#01h
MOV SFRAL,#02h
- 65 -
Read_Dist
Read_VT
.
.
Publication Release Date: Dec 29, 2009
Procedure of Updating
the 2KB APROM
F02K BOOT Mode ?
Is currently in the
Part 2:
Revision A09