8位元微控制器(80C51-based)

A leading supplier of 8051 compatible microcontrollers, Winbond offers a wide range of parts that meets the price/performance demand of industrial and consumer products OEMs. The 8-bit uCs 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 uCs.

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

Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Speed MHz	Timer/ Counter	Int	ISP/ ICP	Special Function	PACKAGE			Status*	RoHS
Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Speed MHz	Timer/ Counter	Int	ISP/ ICP	Special Function	PDIP	PLCC	PQFP	Status*	RoHS
W78E051C	Flash EPROM	4K	128	32/36	64K	40	2	5/7	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78E052C	Flash EPROM	8K	256	32/36	64K	40	3	6/8	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78E054C	Flash EPROM	16K	256	32/36	64K	40	3	6/8	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78E058B	Flash EPROM	32K	256	32/36	64K	40	3	6/8	-	-In-system Programming -Extra I/O Port, / INT2, /INT3	40	44	44	P	Y
W78E516B	Flash EPROM	64K	512	32/36	64K	40	3	6/8	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3	40	44	44	P	Y
W78E365A	Flash EPROM	64K	1280	32/36	64K	40	3	6/8	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3 -WDT -PWM	40	44	44	P	Y
W78ERD2A	Flash EPROM	64K	1280	32/36	64K	40	3	9	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3 -WDT, PWM, PCA -High ESD, EMC immunity	40	44	44	P	Y
W78E858A	Flash EPROM	32K	768	32/36	64K	40	3	6/8	ISP	-In-system Programming -128 bytes EEPROM -Extra I/O Port, / INT2, /INT3, 4 channels PWM	40	44	44	P	Y
W78C051D	Mask	4K	128	32/36	64K	40	2	5	-	CMOS General purpose	40	44	44	P	Y
W78C052D	Mask	8K	256	32/36	64K	40	3	6	-	CMOS General purpose	40	44	44	P	Y
W78C054A	Mask	16K	256	32/36	64K	40	3	6/8	-	-Extra I/O Port, / INT2, /INT3	40	44	44	P	Y
W78C032C	ROMless	-	256	32	64K	40	3	6	-	CMOS General purpose	40	44	44	P	Y
W78C438C	ROMless	-	256	40	1 M	40	3	8	-	-5 pure ports I/O expanded -1 MB external memory space -Additional INT2, INT3	-	84	100	P	Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life. Wide Supply Voltage Standard Parts

Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PACKAGE			Status*	RoHS
Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PDIP	PLCC	PQFP	Status*	RoHS
W78L051A	Flash EPROM	4K	128	32/36	64K	5.5V - 2.4V	2	5/7	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78L052A	Flash EPROM	8K	256	32/36	64K	5.5V - 2.4V	3	6/8	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78L054A	Flash EPROM	16K	256	32/36	64K	5.5V - 2.4V	3	6/8	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78L051C	Flash EPROM	4K	128	32/36	64K	5.5V - 2.4V	3	5/7	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78L052C	Flash EPROM	8K	256	32/36	64K	5.5V - 2.4V	3	6/8	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78L054C	Flash EPROM	16K	256	32/36	64K	5.5V - 2.4V	3	6/8	-	-Extra I/O Port,/INT2, /INT3 -WDT	40	44	44	P	Y
W78L058A	Flash EPROM	32K	256	32/36	64K	5.5V - 2.4V	3	6/8	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3	40	44	44	P	Y
W78L516A	Flash EPROM	64K	512	32/36	64K	5.5V - 2.4V	3	6/8	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3	40	44	44	P	Y
W78L365A	Flash EPROM	64K	1280	32/36	64K	5.5V - 2.4V	3	6/8	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3 -WDT -PWM	40	44	44	P	Y
W78L812A	Flash EPROM	8K	256	32/36	64K	5.5V - 2.4V	3	14	-	-Extra I/O Port -Wake-up the Power-Down mode from Port1 interrupt -WDT -UART	40	44	44	P	Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life. Turbo-51(4T 8051 core) Series

Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PACKAGE			Status*	RoHS
Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PDIP	PLCC	PQFP	Status*	RoHS
W77E058A	Flash EPROM	32K	1K+ 256	32/36	64K	5.5V-4.5V	3	12	-	-4T / machine cycle -Dual UARTs and DPTRs -Wait-state control signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77L058A	Flash EPROM	32K	1K+ 256	32/36	64K	5.5V-2.7V	3	12	-	-4T / machine cycle -5.5V~2.7V Supply Voltage -Dual UARTs and DPTRs -Wait-state control signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77E516A	Flash EPROM	64K	1K+ 256	32/36	64K	5.5V- 4.5V	3	12	ISP	-4T / Machine Cycle -Dual UARTs and DPTRs -Wait-State Control Signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77L516A	Flash EPROM	64K	1K+ 256	32/36	64K	5.5V- 2.7V	3	12	ISP	-4T / Machine Cycle -Dual UARTs and DPTRs -Wait-State Control Signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77E532A	Flash EPROM	128K	1K+ 256	32/36	64K	5.5V- 4.5V	3	12	ISP	-4T / Machine Cycle -Dual UARTs and DPTRs -Wait-State Control Signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77L532A	Flash EPROM	128K	1K+ 256	32/36	64K	5.5V- 2.7V	3	12	ISP	-4T / Machine Cycle -Dual UARTs and DPTRs -Wait-State Control Signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77C032A	ROMless	-	1K+ 256	32/36	64K	5.5V- 4.5V	3	12	-	-4T / machine cycle -Dual UARTs and DPTRs -Wait-state control signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
W77L032A	ROMless	-	1K+ 256	32/36	64K	5.5V- 2.7V	3	12	-	-4T / machine cycle -5.5V~2.7V Supply Voltage -Dual UARTs and DPTRs -Wait-state control signal -WDT -On-chip 1K Bytes MOVX SRAM -Extra I/O port	40	44	44	P	Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life. Industrial temperature Series

Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PACKAGE	Status*	RoHS
PDIP	PLCC	PQFP
W78IRD2A	Flash EPROM	64K	1280	32/36	64K	5.5V - 2.4V	3	9	ISP	-In-system Programming -Extra I/O Port, / INT2, /INT3, WDT -WDT, PWM, PCA -High ESD, EMC immunity	40	44	-	P	Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life. Enhanced-51(4T 8051 core) Series

Part No.

ROM Type

ROM

RAM

I/O Pins

External Memory Space

Op.
Volt

Timer/ Counter

Int

ISP/
ICP

Special Function

PACKAGE

Status*

RoHS

PDIP

PLCC

PQFP

W78IRD2A

Flash EPROM

64K

1280

32/36

64K

5.5V - 2.4V

ISP

-In-system Programming
-Extra I/O Port, / INT2, /INT3, WDT
-WDT, PWM, PCA
-High ESD, EMC immunity

* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

Enhanced-51(4T 8051 core) Series

Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PACKAGE			Status*	RoHS
Part No.	ROM Type	ROM	RAM	I/O Pins	External Memory Space	Op. Volt	Timer/ Counter	Int	ISP/ ICP	Special Function	PDIP	PLCC	PQFP	Status*	RoHS
W79E201A	Flash EPROM	16K	256	33	64K	5.5V - 4.5V	3	8	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. 6 channel PWM -25 I/O pins -8 input only pins -10 bits ADC with 8 channel analog input - Embedded ICE (In-Circuit Emulation) function with JTAG interface to development tool	-	44	44	P	Y
W79E632A	Flash EPROM	128K	1K+ 256	32/36	64K	5.5V-4.5V up to 40MHz	3	7	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. PWM -On-chip 1K Bytes MOVX SRAM -Extra I/O port -With ICE tool	40	44	44	P	Y
W79L632A	Flash EPROM	128K	1K+ 256	32/36	64K	5.5V-3.0V up to 20MHz	3	7	ISP		40	44	44	P	Y
W79E648A	Flash EPROM	128K	1K+ 256	60	64K	5.5V-4.5V up to 40MHz	3	7	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. PWM -On-chip 1K Bytes MOVX SRAM -Extra I/O port -With ICE tool	-	68	-	P	Y
W79L648A	Flash EPROM	128K	1K+ 256	60	64K	5.5V-3.0V up to 20MHz	3	7	ISP		-	68	-	P	Y
W79E649A	Flash EPROM	32K + accessi-bility to external ROM	1K+ 256	60	64K	5.5V-4.5V up to 40MHz	3	7	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. PWM -On-chip 1K Bytes MOVX SRAM -Extra I/O port -With ICE tool	-	68	-	P	Y
W79L649A	Flash EPROM	32K + accessi-bility to external ROM	1K+ 256	60	64K	5.5V-3.0V up to 20MHz	3	7	ISP		-	68	-	P	Y
W79E633A	Flash EPROM	128K	1K+256	36	64K	5.5V-4.5V up to 20MHz	3	10	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. PWM -2-ch I2C -4-ch ADC -On-chip 1K Bytes MOVX SRAM -Extra I/O port -With ICE tool	-	44	-	P	Y
W79L633A	Flash EPROM	128K	1K+256	36	64K	5.5V-3.0V up to 25MHz	3	10	ISP		-	44	-	P	Y
W79E658A	Flash EPROM	128K	1K+256	60	64K	5.5V-4.5V up to 25MHz	3	10	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. PWM -2-ch I2C -8-ch ADC -On-chip 1K Bytes MOVX SRAM -Extra I/O port -With ICE tool	-	-	100	P	Y
W79L658A	Flash EPROM	128K	1K+256	60	64K	5.5V-3.0V up to 25MHz	3	10	ISP		-	-	100	P	Y
W79E659A	Flash EPROM	32K + accessi-bility to external ROM	1K+256	60	64K	5.5V-4.5V up to 40MHz	3	10	ISP	-4T/ Machine Cycle -One UART and DPTR -WDT. PWM -2-ch I2C -8-ch ADC -On-chip 1K Bytes MOVX SRAM -Extra I/O port -With ICE tool	-	-	100	P	Y
W79L659A	Flash EPROM	32K + accessi-bility to external ROM	1K+256	60	64K	5.5V~3.0V up to 25MHz	3	10	ISP		-	-	100	P	Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life. 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 -2 Channel PWM -4 Channel 10-bit ADC -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	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/ S24	P	Y
W79E833A	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/ S24	P	Y
W79E832A	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/ S24	P	Y
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 SMS, Public Phone and Security Processor (4T 8051 core)

Part No.	Dual Clock	ROM	RAM	LCD	I/O	FSK*	DTMF*	CAS*	Ring Detect.	Timer/ Counter	Int	Special Function	PACK -AGE*	Status*	RoHS
W925E240FG /W925G240	3.58M/ 32K	256K	256+8K	-	40	G/R	G/R	R	Y	2	11	-4T/ Machine Cycle -WDT -Analog Comparator	F100	P	Y
W925E625FG /W925G625	3.58M/ 32K	64K	256+4K	56x32 (1792 dots)	40	G/R	G/R	R	Y	2	11	-4T/ Machine Cycle -WDT -Analog Comparator	F160	P	Y
W925EP01FG	4, 8M/ 32K	64K Ext 64K	256+4K Ext 64K	-	40/64	G/R	G/R	G/R	Y	2	12	-4T/ Machine Cycle -One UART -WDT -Analog Comparator -ISP function	F100	P	Y
* FSK, DTMF, CAS: G=Generator; R=Receiver * 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

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