W78E516B40DL Nuvoton Technology Corporation of America, W78E516B40DL Datasheet - Page 18

• Manufacturer Part Number: W78E516B40DL
• Description: IC MCU 8-BIT 64K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E516B40DL

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR
• Number Of I /o: 32
• 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: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

CPU will be wakened by interrupt and
re-boot from 4KB LDROM to execute
(CPU will be wakened from idle mode
by timer interrupt, then enter In-System
Start Timer and enter idle Mode.
Setting Timer (about 1.5 us)
and enable timer interrupt
Setting control registers
(conditions depend on
Programming Mode ?
MOV CHPCON,#03H
MOV CHPENR,#87H
MOV CHPENR,#59H
the loader program.
Programming mode)
user's application)
Enter In-System
START
The Algorithm of In-System Programming
Go
Yes
No
- 18 -
Execute the normal application
In-System Programming Mode
Part 1:64KB APROM
program
END
procedure of entering
W78E516B