Product Summary

The W78E516DPG is an 8-bit microcontroller which has an in-system programmable MTP-ROM for firmware updating. The instruction set of the W78E516DPG is fully compatible with the standard 8052. The W78E516DPG contains a 64K bytes of main MTP-ROM and a 4K bytes of auxiliary MTP-ROM which allows the contents of the 64KB main MTP-ROM to be updated by the loader program located at the 4KB auxiliary MTP-ROM; 512 bytes of on-chip RAM; four 8-bit bi-directional and bitaddressable I/O ports; an additional 4-bit port P4; three 16-bit timer/counters; a serial port.

Parametrics

Absolute maximum ratings: (1)DC Power Supply: -0.3 to +6.0 V; (2)Input Voltage : VSS -0.3 to VDD +0.3 V; (3)Operating Temperature: 0 to 70 ℃; (4)Storage Temperature: -55 to +150 ℃.

Features

Features: (1)Fully static design 8-bit CMOS microcontroller up to 40 MHz; (2)64K bytes of in-system programmable MTP-ROM for Application Program (APROM); (3)4K bytes of auxiliary MTP-ROM for Loader Program (LDROM); (4)512 bytes of on-chip RAM. (including 256 bytes of AUX-RAM, software selectable); (5)64K bytes program memory address space and 64K bytes data memory address space; (6)Four 8-bit bi-directional ports; (7)One 4-bit multipurpose programmable port; (8)Three 16-bit timer/counters; (9)One full duplex serial port; (10)Six-sources, two-level interrupt capability.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
W78E516DPG
W78E516DPG

IC MCU 8-BIT 64K FLASH 44-PLCC
Data Sheet
0-210: $1.47
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
W78E051B40DL
W78E051B40DL

IC MCU 8-BIT 4K FLASH 40-DIP
Data Sheet
Negotiable 
W78E051B40FL
W78E051B40FL

IC MCU 8-BIT 4K FLASH 44-PQFP
Data Sheet
Negotiable 
W78E051B40PL
W78E051B40PL

IC MCU 8-BIT 4K FLASH 44-PLCC
Data Sheet
Negotiable 
W78E051C
W78E051C
Other

Data Sheet
Negotiable 
W78E051C40DL
W78E051C40DL

IC MCU 8-BIT 4K FLASH 40-DIP
Data Sheet
Negotiable 
W78E051C40FL
W78E051C40FL

IC MCU 8-BIT 4K FLASH 44-PQFP
Data Sheet
Negotiable