80C51 LPC Microcontroller

A leading supplier of 8051 compatible microcontrollers, Nuvoton offers a wide range of parts that meets the price/performance demand of industrial and consumer products OEMs. The 8-bit μCs are supported by leading tool makers for rapid product development. ROM-less, ROM and Flash types are available with a rich set of I/O such as PWM, GPIO, DPTR, PCA Timers, ADC and more. 4T, 6T and 12T cores running at up to 40MHz provide one of the industry's best choices of 8051 μCs.

Please click on each part number and Application Note for more information.

LPC-51(4T 8051 core) Series - Industrial grade

Part No.

ROM Type

ROM

RAM

NVM
Data
Flash

I/O Pins

Speed
MHz

Op.
Volt

Timer/ Counter

Int

ISP/
ICP

Special Function

PACK
-AGE*

Status**

RoHS

W79E825A

Flash EPROM

16K

256

256B

18/15

20

5.5V - 2.7V

2

13

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-4 Channel PWM
-4 Channel 10-bit ADC
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E824A

Flash EPROM

8K

256

256B

18/15

20

5.5V - 2.7V

2

13

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-4 Channel PWM
-4 Channel 10-bit ADC
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E823B

Flash EPROM

4K

128

128B

18/15

20

5.5V - 2.7V

2

13

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-2 Channel PWM
-4 Channel 10-bit ADC
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E822B  

Flash EPROM

2K

128

128B

18/15

20

5.5V - 2.7V

2

13

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-4 Channel PWM
-4 Channel 10-bit ADC
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E804A

Flash EPROM

8K

256

256B

18/15

20

5.5V - 2.7V

2

12

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-4 Channel PWM
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E803A

Flash EPROM

4K

256

256B

18/15

20

5.5V - 2.7V

2

12

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-4 Channel 10-bit PWM
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E802A

Flash EPROM

2K

256

256B

18/15

20

5.5V - 2.7V

2

12

ICP

-4T/ Machine Cycle
-One UART
-Two DPTR
-WDT
-4 Channel PWM
-I²C
-Two analog Comparator
-Internal RC OSC
-Low Voltage Detect

D20/ S20

P

Y

W79E834A

Flash EPROM

8K

256 + 256

-

26/23

20

5.5V-2.7V

3

13

ICP

-4T/ Machine Cycle
-One UART
-WDT
-10bit PWM x4
-10-bit ADC x8
-SPI
-6MHz Internal RC OSC
-Low Voltage Detect
-3 Input Capture

L48/ S28

P

Y

W79E833A

Flash EPROM

4K

256

-

26/23

20

5.5V-2.7V

3

13

ICP

-4T/ Machine Cycle
-One UART
-WDT
-10bit PWM x4
-10-bit ADC x4
-SPI
-6MHz Internal RC OSC
-Low Voltage Detect
-3 Input Capture

S28

P

Y

W79E832A

Flash EPROM

2K

256

-

26/23

20

5.5V-2.7V

3

13

ICP

-4T/ Machine Cycle
-One UART
-WDT
-10bit PWM x4
-10-bit ADC x4
-SPI
- 6MHz Internal RC OSC
-Low Voltage Detect
-3 Input Capture

S28

P

Y

W79E8213

Flash EPROM

 4K 128 128 18/15 20 5.5V-2.4V 2 10 ICP -4T/ Machine Cycle
-WDT
-10bit PWM x4
-10-bit ADCx8
-10/20MHz ±25% Internal RC OSC
-Low Voltage Detect
-3 Input Capture
-Buzzer wave generator
-Eight high sink port pins(40mA)

D20/S20

 P Y
W79E8213R

Flash EPROM

 4K 128 128 18/15 20 5.5V-2.4V 2 10 ICP -4T/ Machine Cycle
-WDT
-10bit PWM x4
-10-bit ADCx8
-10/20MHz ±2% Internal RC OSC
-Low Voltage Detect
-3 Input Capture
-Buzzer wave generator
-Eight high sink port pins(40mA)

D20/S20

 P Y
W79E2051A Flash EPROM 2K 256 128 17 24 5.5V-2.4V 2 9 ICP -4T/ Machine Cycle
-WDT
-10bit PWM x1
-Internal RC OSC
-1 1/22MHz 25% (W79E2051A)
-11/22MHz 2% at 5V, 25C (W79E2051RA)
-4-level brownout
-1 analog comparator
-High sink port pins(20mA)
PDIP20/ SOP20
 P Y
W79E2051RA
W79E4051A Flash EPROM 4K 256 128 17 24 5.5V-2.4V 2 9 ICP -4T/ Machine Cycle
-WDT
-10bit PWM x1
-Internal RC OSC
-1 1/22MHz 25% (W79E4051A)
-11/22MHz 2% at 5V, 25C (W79E4051RA)
-4-level brownout
-1 analog comparator
-High sink port pins(20mA)
PDIP20/ SOP20
 P Y
W79E4051RA
N79E342 EPROM 2K 128 128 14 12 5.5V-2.4V 2 8 ICP -4T/ Machine Cycle
-WDT
-Clock switching
by software
-10-bit ADCx4
- Internal RC OSC 455KHz±30% at 3.3V 25°C
(N79E342)
455KHz±2% at 3.3V, 25°C
(N79E342R)
-Low Voltage Detect
-Buzzer wave generator
-High sink port pins(18mA)
 DIP16/
SOP16		 P Y
N79E342R

*Package: D=DIP, S=SOP, F=PQFP/QFP, L=LQFP
**Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

Contact us:  MicroC-8bit@nuvoton.com