W78E052DDG Nuvoton Technology Corporation of America, W78E052DDG Datasheet - Page 5

• 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: -

2
• Fully static design 8-bit CMOS microcontroller
• Optional 12T or 6T mode
• Wide supply voltage of 2.4V to 5.5V
• Temperature grade is (-40
• Pin and Instruction-sets compatible with MCS-51
• 256 bytes of on-chip scratchpad RAM
• 16K/8K/4K bytes electrically erasable/programmable Flash EPROM
• 2K bytes LDROM support ISP function (Reference Application Note)
• 64KB program memory address space
• 64KB data memory address space
• Four 8-bit bi-directional ports
• 8-sources, 4-level interrupt capability
• One extra 4-bit bit-addressable I/O port, additional INT2 / INT3 (available on PQFP, PLCC and
• Three 16-bit timer/counters
• One full duplex serial port
• Watchdog Timer
• EMI reduction mode
• Software Reset
• Built-in power management with idle mode and power down mode
• Code protection
• Packages:
LQFP package)
FEATURES
- Lead Free (RoHS) DIP 40:
- Lead Free (RoHS) PLCC 44:
- Lead Free (RoHS) PQFP 44:
- Lead Free (RoHS) LQFP 48:
- Lead Free (RoHS) DIP 40:
- Lead Free (RoHS) PLCC 44:
- Lead Free (RoHS) PQFP 44:
- Lead Free (RoHS) LQFP 48:
- Lead Free (RoHS) DIP 40:
- Lead Free (RoHS) PLCC 44:
- Lead Free (RoHS) PQFP 44:
- Lead Free (RoHS) LQFP 48:
12T Mode, 12 clocks per machine cycle operation (default), Speed up to 40 MHz/5V
6T Mode, 6 clocks per machine cycle operation set by the writer, Speed up to 20 MHz/5V
o
C~85
o
C)
W78E054D/W78E052D/W78E051D Data Sheet
W78E054DDG
W78E054DPG
W78E054DFG
W78E054DLG
W78E052DDG
W78E052DPG
W78E052DFG
W78E052DLG
W78E051DDG
W78E051DPG
W78E051DFG
W78E051DLG
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Publication Release Date: Dec 29, 2009
Revision A09