Nuvoton > Microcontroller > 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 gCs 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 gCs.

Part No. ROM Type ROM (Byte) RAM (Byte) NVM DataFlash I/O Pins Speed MHz Op. Volt Timer/ Counter Int ISP/ ICP Special Function PACKAGE*
W79E825A Flash EPROM 16K 256 256B 18/15 20@5V 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
W79E824A Flash EPROM 8K 256 256B 18/15 20@5V 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
W79E823B Flash EPROM 4K 128 128B 18/15 20@5V 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
W79E822B Flash EPROM 2K 128 128B 18/15 20@5V 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
W79E804A Flash EPROM 8K 256 256B 18/15 20@5V 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
W79E803A Flash EPROM 4K 256 256B 18/15 20@5V 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
W79E802A Flash EPROM 2K 256 256B 18/15 20@5V 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
W79E834A Flash EPROM 8K 256 + 256 - 26/23 20@5V 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
W79E833A Flash EPROM 4K 256 - 26/23 20@5V 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
W79E832A Flash EPROM 2K 256 - 26/23 20@5V 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
W79E8213 Flash EPROM 4K 128 128 18/15 20@5V 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
W79E8213R Flash EPROM 4K 128 128 18/15 20@5V 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
W79E2051A Flash EPROM 2K 256 128 17 24@5V 5.5V-2.4V 2 9 ICP -4T/ Machine Cycle -WDT-10bit PWM x1-Internal RC OSC-1 1/22MHz b25% (W79E2051A)-11/22MHz b2% at 5V, 25aC (W79E2051RA)-4-level brownout-1 analog comparator -High sink port pins(20mA)
PDIP20/ SOP20/SSOP20
W79E2051RA
W79E4051A Flash EPROM 4K 256 128 17 24@5V 5.5V-2.4V 2 9 ICP -4T/ Machine Cycle -WDT-10bit PWM x1-Internal RC OSC-1 1/22MHz b25% (W79E4051A)-11/22MHz b2% at 5V, 25aC (W79E4051RA)-4-level brownout-1 analog comparator -High sink port pins(20mA)
PDIP20/ SOP20/SSOP20
W79E4051RA
N79E342 Flash EPROM 2K 128 128 14 12@5V 5.5V-2.4V 2 8 ICP -4T/ Machine Cycle -WDT-Clock switchingby software -10-bit ADCx4- Internal RC OSC 455KHz30% at 3.3V 25XC(N79E342)455KHz2% at 3.3V, 25XC(N79E342R)-Low Voltage Detect-Buzzer wave generator-High sink port pins(18mA) DIP16/ SOP16
N79E342R
N79E875 Flash EPROM 16K 512 128 36/34 40@5V 5.5V-2.4V 4 17 ICP -8 Channel 12-bit PWM and complement & dead-time control -8 Channel 10-bit ADC-UART,SPI & I2C-1 Channel OP-2 Channel analog comparator-3 Input capture-Internal RC OSC-Borwn out reset-Operating temperaturerange: -40 ~85J LQFP48
N79E875R Flash EPROM 16K 512 128 36/34 40@5V 5.5V-2.4V 4 17 ICP -8 Channel 12-bit PWM and complement & dead-time control -8 Channel 10-bit ADC-UART,SPI & I2C-1 Channel OP-2 Channel analog comparator-3 Input capture-2% 22MHz Internal RC OSC @ 3.3V 25J-Borwn out reset-Operating temperaturerange: -40 ~85J LQFP48