80C51 Microcontroller - 12T
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.
Standard Parts
| Part No. |
ROM Type |
ROM
(Byte) |
RAM
(Byte) |
I/O Pins |
External Memory Space
(Byte) |
Speed MHz |
Timer/ Counter |
Int |
ISP/ ICP |
Special Function |
PACKAGE |
Status* |
RoHS |
Datasheet |
| W78E051C |
Flash EPROM |
4K |
128 |
32/36 |
64K |
40 |
2 |
5/7 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E051D |
Flash EPROM |
4K |
128 |
32/36 |
64K |
40 |
2 |
5/7 |
ISP |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E052C |
Flash EPROM |
8K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E052D |
Flash EPROM |
8K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E054C |
Flash EPROM |
16K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E054D |
Flash EPROM |
16K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E058B |
Flash EPROM |
32K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E058D |
Flash EPROM |
32K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E516B |
Flash EPROM |
64K |
512 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E516D |
Flash EPROM |
64K |
512 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E365A |
Flash EPROM |
64K |
1280 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3
-WDT
-PWM |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78ERD2A |
Flash EPROM |
64K |
1280 |
32/36 |
64K |
40 |
3 |
7/9 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3
-WDT, PWM, PCA
-High ESD, EMC immunity |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78E858A |
Flash EPROM |
32K |
768 |
32/36 |
64K |
40 |
3 |
14 |
ISP |
-In-system Programming
-128 bytes EEPROM
-Extra I/O Port, / INT2~INT9, 4 channels PWM |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78C051D |
Mask |
4K |
128 |
32/36 |
64K |
40 |
2 |
5/7 |
- |
-Extra I/O Port, / INT2, /INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78C052D |
Mask |
8K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port, / INT2, /INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78C054A |
Mask |
16K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port, / INT2, /INT3 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78C032C |
ROMless |
- |
256 |
32 |
64K |
40 |
3 |
6 |
- |
CMOS General purpose |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78C438C |
ROMless |
- |
256 |
40 |
1 M |
40 |
3 |
8 |
- |
-5 pure ports I/O expanded
-1 MB external memory space
-Additional INT2, INT3 |
PLCC84/
PQFP100 |
P |
Y |
Available |
* 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
(Byte) |
RAM
(Byte) |
I/O Pins |
External Memory Space
(Byte) |
Op.
Volt |
Timer/ Counter |
Int |
ISP/
ICP |
Special Function |
PACKAGE |
Status* |
RoHS |
Datasheet |
| W78L051A |
Flash EPROM |
4K |
128 |
32/36 |
64K |
5.5V - 2.4V |
2 |
5/7 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78L052A |
Flash EPROM |
8K |
256 |
32/36 |
64K |
5.5V - 2.4V |
3 |
6/8 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78L054A |
Flash EPROM |
16K |
256 |
32/36 |
64K |
5.5V - 2.4V |
3 |
6/8 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78L051C |
Flash EPROM |
4K |
128 |
32/36 |
64K |
5.5V - 2.4V |
2 |
5/7 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78L052C |
Flash EPROM |
8K |
256 |
32/36 |
64K |
5.5V - 2.4V |
3 |
6/8 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78L054C |
Flash EPROM |
16K |
256 |
32/36 |
64K |
5.5V - 2.4V |
3 |
6/8 |
- |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| 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 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| 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 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| 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 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78L812A |
Flash EPROM |
8K |
256 |
33/37 |
64K |
5.5V - 2.4V |
3 |
14 |
- |
-Extra I/O Port
-Wake-up the Power-Down mode from Port1 interrupt
-WDT
-UART |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
* 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
(Byte) |
RAM
(Byte) |
I/O Pins |
External Memory Space
(Byte) |
Op.
Volt |
Timer/ Counter |
Int |
ISP/
ICP |
Special Function |
PACKAGE |
Status* |
RoHS |
Datasheet |
| W78IRD2A |
Flash EPROM |
64K |
1280 |
32/36 |
64K |
5.5V - 2.4V |
3 |
7/9 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3, WDT
-WDT, PWM, PCA
-High ESD, EMC immunity |
PDIP40/
PLCC44 |
P |
Y |
Available |
| W78I051D |
Flash EPROM |
4K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78I052D |
Flash EPROM |
8K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78I054D |
Flash EPROM |
16K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-Extra I/O Port,/INT2,
/INT3
-WDT |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78I058D |
Flash EPROM |
32K |
256 |
32/36 |
64K |
5.5V - 2.4V |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available |
| W78I516D |
Flash EPROM |
64K |
512 |
32/36 |
64K |
5.5V - 2.4V |
3 |
6/8 |
ISP |
-In-system Programming
-Extra I/O Port, / INT2, /INT3 |
PDIP40/
PLCC44/
PQFP44 |
P |
Y |
Available | * 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
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