W78E052DPG Nuvoton Technology Corporation of America, W78E052DPG Datasheet - Page 63
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W78E052DPG
Manufacturer Part Number
W78E052DPG
Description
IC MCU 8-BIT 8K FLASH 44-PLCC
Manufacturer
Nuvoton Technology Corporation of America
Series
W78r
Datasheet
1.W78E051DPG.pdf
(89 pages)
Specifications of W78E052DPG
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
44-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W78E052DPG
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
Part Number:
W78E052DPG
Manufacturer:
NUVOTON
Quantity:
20 000
18 ISP(IN-SYSTEM PROGRAMMING)
ISP is the ability of program MCU to be programmed while F/W code in AP-ROM or LD-ROM. (Note:
Timer 0 for program, erase, read on ISP mode. ISP operation voltage 3.3- 5.5V)
by timer interrupt, then enter In-System
(CPU will be wakened from idle mode
Start Timer and enter idle Mode.
Setting Timer (about 450 us)
and enable timer interrupt
Setting control registers
(conditions depend on
Programming Mode ?
Programming mode)
MOV CHPCON,#03h
MOV SFRAL,#FFh
MOV SFRAH,#FFh
user's application)
MOV SFRCN,#3Fh
MOV SFRFD,#ABh
Enter In-System
START
YES
W78E054D/W78E052D/W78E051D Data Sheet
NO
- 63 -
GO
Execute the normal
Application program
END
Publication Release Date: Dec 29, 2009
In-System Programming Mode
procedure of entering
Part 1:2KB APROM
Revision A09