Product Summary

The W78E516DPG is an 8-bit microcontroller which has an in-system programmable Flash EPROM for on-chip firmware updating. The instruction set of the W78E516DPG is fully compatible with the standard 8052. The W78E516DPG contains a 64K/32K bytes of main Flash EPROM and a 4K bytes of auxiliary Flash EPROM which allows the contents of the 64K/32K bytes main Flash EPROM to be updated by the loader program located in the 4K bytes Flash EPROM; a 256 bytes of SRAM; 256 bytes of AUXRAM; four 8-bit bi-directional and bit-addressable I/O ports; an additional 4-bit port P4; three 16-bit timer/counters; a serial port.

Parametrics

W78E516DPG absolute maximum ratings: (1)DC Power Supply, VDD-VSS: 4.5 to 3.5 V; (2)Input Voltage, VIN: VSS-0.3 to VDD+0.3 V; (3)Operating Temperature, TA: -40 to +85℃; (4)Storage Temperature, Tst: -55 to +150℃; (5)Maximum Current into VDD: 120 mA max; (6)Maximum Current out of VSS: 120 mA max.

Features

W78E516DPG features: (1)Fully static design 8-bit CMOS microcontroller(up to 40MHz); (2)64K/32K bytes of in-system programmable FLASH EPROM for Application Program(APROM); (3)4K bytes of auxiliary FLASH EPROM for Loader Program(LDROM); (4)Low standby current at full supply voltage; (5)512 bytes of on-chip RAM. (include 256 bytes of AUX-RAM, software selectable); (6)64K bytes program memory address space and 64K bytes data memory address space; (7)Four 8-bit bi-directional ports with high sink current for LED driver; (8)One 4-bit multipurpose programmable port, additional INT2/ INT3 Three 16-bit timer/counters; (9)One full duplex serial port; (10)Six-sources, two-level interrupt capability; (11)Software Reset; (12)Built-in power management with idle mode and power down mode; (13)Code protection; (14)Industrial temperature grade -40 to 85℃.

Diagrams

W78E516DPG block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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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
W78E516B40FL
W78E516B40FL


IC MCU 8-BIT 64K FLASH 44-PQFP

Data Sheet

Negotiable 
W78E516B40PL
W78E516B40PL


IC MCU 8-BIT 64K FLASH 44-PLCC

Data Sheet

Negotiable 
W78E516DDG
W78E516DDG


IC MCU 8-BIT 64K FLASH 40-DIP

Data Sheet

0-200: $1.52
W78E516DFG
W78E516DFG


IC MCU 8-BIT 64K FLASH 44-PQFP

Data Sheet

0-288: $1.33
W78E516DPG
W78E516DPG


IC MCU 8-BIT 64K FLASH 44-PLCC

Data Sheet

0-210: $1.47
W78E858A40DL
W78E858A40DL


IC MCU 8-BIT 32K FLASH 40-DIP

Data Sheet

0-110: $2.84