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    • 8位单片机
    Part No.
    ROM Type
    ROM
    (Byte)
    RAM
    (Byte)
    I/O
    Pins
    External Memory Space
    (Byte)
    Speed MHz

    Timer/ Coun
    ter

    Int
    ISP/ ICP
    Special Function
    PACKAGE
    Status*
    RoHS

    W78E051D Flash EPROM 4K 256 32/36 64K 40 3 6/8 ISP -Extra I/O Port,/INT2, PDIP40/ P Y
    /INT3 PLCC44/
    -WDT PQFP44/
    LQFP48?
    W78E052D Flash EPROM 8K 256 32/36 64K 40 3 6/8 ISP -Extra I/O Port,/INT2, PDIP40/ P Y
    /INT3 PLCC44/
    -WDT PQFP44/
    LQFP48
    W78E054D Flash EPROM 16K 256 32/36 64K 40 3 6/8 ISP -Extra I/O Port,/INT2, PDIP40/ P Y
    /INT3 PLCC44/
    -WDT PQFP44/
    LQFP48
    W78E058D Flash EPROM 32K 512 32/36 64K 40 3 6/8 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    -WDT? PQFP44/
    LQFP48
    W78E516D Flash EPROM 64K 512 32/36 64K 40 3 6/8 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    -WDT PQFP44/
    LQFP48
    N78E055A Flash EPROM 16K

    256
    +1K

    		32/36
    /40     		64K 40 3 11 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    4KB Data Flash,-4 level BOD/BOR PQFP44/
    WDT,SPI,PWM LQFP48
    -Internal RC oscillator ± 1% 22MHz/11MHz
    N78E059A Flash EPROM 32K 256
    +1K     		32/36
    /40     		64K 40 3 11 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    4KB Data Flash,-4 level BOD/BOR PQFP44/
    WDT,SPI,PWM LQFP48
    -Internal RC oscillator ± 1% 22MHz/11MHz
    N78E517A Flash EPROM 64K 256
    +1K     		32/36
    /40     		64K 40 3 11 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    -Configurable size of Data Flash PQFP44/
    -4 level BOD/BOR LQFP48
    WDT,SPI,PWM
    -Internal RC oscillator ± 1% 22MHz/11MHz
    N78E366A Flash EPROM 64K 256
    +1K     		32/36
    /40     		64K 40 3 11 ISP -In-system Programming PDIP40/ S Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    -Configurable size of Data Flash PQFP44/
    -4 level BOD/BOR LQFP48
    WDT,SPI,PWM
    -Internal RC oscillator ± 1% 22MHz/11MHz
    W78E365A Flash EPROM 64K? 256
    +1K     		32/36 64K 40 3 6/8 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    -WDT PQFP44/
    -PWM LQFP48
    W78ERD2A Flash EPROM 64K 256
    +1K     		32/36 64K 40 3 7/9 ISP -In-system Programming PDIP40/ P Y
    -Extra I/O Port, / INT2, /INT3 PLCC44/
    -WDT, PWM, PCA PQFP44
    -High ESD, EMC immunity?
    W78E858A Flash EPROM 32K 768 32/36 64K 40 3 14 ISP -In-system Programming PDIP40/ P Y
    -128 bytes EEPROM PLCC44/
    -Extra I/O Port, / INT2~INT9, 4 channels PWM PQFP44
    W78C051 Mask 4K 128 32/36 64K 40 2 5/7 - -Extra I/O Port, / INT2, /INT3 PDIP40/ P Y
    -WDT PLCC44/
    PQFP44
    W78C052 Masktd> 8K 256 32/36 64K 40 3 6/8 - -Extra I/O Port, / INT2, /INT3 PDIP40/ P Y
    -WDT PLCC44/
    PQFP44
    W78C054 Mask 16K 256 32/36 64K 40 3 6/8 - -Extra I/O Port, / INT2, /INT3 PDIP40/ P Y
    PLCC44/
    PQFP44
    W78C032C ROMless - 256 32 64K 40 3 6 - CMOS General purpose PDIP40/ P Y
    PLCC44/
    PQFP44
    W78C438C ROMless - 256 40 1 M 40 3 8 - -5 pure ports I/O expanded PLCC84/ P Y
    -1 MB external memory space PQFP100
    -Additional INT2, INT3?




    Part No. ROM Type ROM
    (Byte)     		RAM
    (Byte)     		NVM
    Data
    Flash     		I/O Pins Speed
    MHZ     		Op.
    Volt     		Timer/ Counter Int Special Function ICP/ISP Package Status RoHS
    N79E815A Flash
    EPROM     		16K 256 256B 18/15 20@5V 5.5V - 2.7V 2 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 4 Channel 10-bit ADC, I2C, Two analong Comparator, Internal RC OSC,
    Brown out Reset
    		ICP TSSOP28
    SOP20     		P Y
    N79E814A Flash
    EPROM     		8K 256 256B 18/15 20@5V 5.5V - 2.7V 2 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 4 Channel 10-bit ADC, I2C, Two analong Comparator, Internal RC OSC,
    Brown out Reset
    		ICP SSOP28
    SOP20     		P Y
    N79E823A Flash
    EPROM     		4K 256 256B 18/15 20@5V 5.5V - 2.7V 2 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 4 Channel 10-bit ADC, I2C, Two analong Comparator, Internal RC OSC,
    Brown out Reset
    		ICP PDIP20
    SOP20
    SSOP20     		P Y
    N79E822A Flash
    EPROM     		2K 256 256B 18/15 20@5V 5.5V - 2.7V 2 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 4 Channel 10-bit ADC, I2C, Two analong Comparator, Internal RC OSC,
    Brown out Reset
    		ICP PDIP20
    SOP20
    SSOP20     		P Y
    W79E834A Flash
    EPROM     		8K? 256 + 256? - 26/23? 20@5V 5.5V-2.7V 3 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 8 Channel 10-bit ADC, SPI, 6MHz Internal RC OSC, Brown out Reset, 3 Input Capture
    		ICP SOP28
    LQFP48     		P Y
    W79E833A Flash
    EPROM     		4K 256 - 26/23? 20@5V 5.5V-2.7V 3 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 4 Channel 10-bit ADC, SPI, 6MHz Internal RC OSC, Brown out Reset, 3 Input Capture
    		ICP SOP28 P Y
    W79E832A Flash
    EPROM     		2K 256 - 26/23? 20@5V 5.5V-2.7V 3 13
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 4 Channel 10-bit ADC, SPI, 6MHz Internal RC OSC, Brown out Reset, 3 Input Capture
    		ICP SOP28 P Y
    N79E8132 Flash
    EPROM     		4K 128 128 18/15 20@5V 5.5V-2.4V 2 10
    4T Machine Cycle, One UART
    TWO DPTR, WDT, 4 Channel
    10 bit PWM, 8 Channel 10-bit ADC, 10/20MHz±25% Internal RC OSC, Brown out Reset, 3 Input Capture,Buzzer wave generator, Eight high sink port pins(40mA)
    		ICP PDIP20
    SOP20     		P Y
    W79E8213R Flash
    EPROM     		4K 128 128 18/15 20@5V 5.5V-2.4V 2 10
    4T Machine Cycle
    -WDT,4 Channel 10-bit PWM
    -8 Channel 10-bit ADC
    -10/20MHz ±2% Internal RC OSC ,-Brown out Reset
    -3 Input Capture
    -Buzzer wave generator
    -Eight high sink port ins(40mA)
    		ICP PDIP20
    SOP20     		P Y
    W79E2051A Flash
    EPROM     		2K 256 128 17/15 24@5V 5.5V-2.4V 2 9
    4T Machine Cycle
    -WDT, -1 Channel 10-bit PWM, -Internal RC OSC
    -11/22MHz ±25% (W79E2051A)
    -11/22MHz ±2% at 5V, 25℃
    -4-level brownout reset
    -1 Channel analog comparator
    -High sink port pins(20mA)
    		ICP PDIP20
    SOP20
    SSOP20     		P Y
    W79E2051RA
    W79E4051A Flash
    EPROM     		4K 256 128 17/15 24@5V 5.5V-2.4V 2 9
    4T Machine Cycle
    -WDT, -1 Channel 10bit PWM
    -Internal RC OSC
    -11/22MHz ±25% (W79E4051A)
    -11/22MHz ±2% at 5V, 25℃ (W79E4051RA)
    -4-level brownout reset
    -1 Channel analog comparator
    -High sink port pins(20mA)
    		ICP PDIP20
    SOP20
    SSOP20     		P Y
    W79E4051RA
    		ICP
    N79E342 Flash
    EPROM     		2K 128 128 14/11 12@5V 5.5V-2.4V 2 8
    4T Machine Cycle
    -WDT, -Clock switching
    by software
    -4 Channel 10-bit ADC
    - Internal RC OSC 455KHz±30% at 3.3V 25°C
    (N79E342)
    455KHz±2% at 3.3V, 25°C
    (N79E342R)
    -Brown out Reset
    -Buzzer wave generator
    -High sink port pins(18mA)
    		ICP DIP16
    SOP16     		P Y
    N79E342R
    N79E875 Flash
    EPROM     		16K 512 128 36/34 40@5V 5.5V-2.4V 4 17
    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, -Brown out reset , -Operating temperature
    range: -40 ~85℃
    		ICP LQFP48 P Y
    N79E875R Flash
    EPROM     		16K 512 128 36/34 40@5V 5.5V-2.4V 4 17
    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 25℃, -Brown out reset
    -Operating temperature
    range: -40 ~85℃
    		ICP LQFP48 P Y
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