Product Summary

The W78LE516P-24 is an 8-bit microcontroller which has an in-system programmable Flash EPROM for firmware updating. The instruction set of the W78LE516P-24 is fully compatible with the standard 8052. It contains a 64K bytes of main Flash EPROM and a 4K bytes of auxiliary Flash EPROM; 512 bytes of on-chip RAM; four 8-bit bidirectional and bit-addressable I/O ports; an additional 4-bit port P4; three 16-bit timer/counters; a serial port. The W78LE516P-24 has two power reduction modes, idle mode and power-down mode, both of which are software selectable.

Parametrics

W78LE516P-24 absolute maximum ratings: (1)DC Power Supply, VDD-VSS: -0.3 to +6.0V; (2)Input Voltage, VIN: VSS -0.3 to VDD +0.3V; (3)Operating Temperature, TA: 0 to 60℃; (4)Storage Temperature, TST: -55 to +150℃.

Features

W78LE516P-24 features: (1)Fully static design 8-bit CMOS microcontroller; (2)64K bytes of in-system programmable Flash EPROM for Application Program (APROM); (3)4K bytes of auxiliary Flash EPROM 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)Eight-sources, two-level interrupt capability; (11)Built-in power management; (12)Code protection; (13)Packaged in PLCC 44.

Diagrams

W78L032A24DL
W78L032A24DL


IC MCU 8-BIT 4K FLASH 40-DIP

Data Sheet

0-370: $0.78
W78L032A24FL
W78L032A24FL


IC MCU 8-BIT 4K FLASH 44-PQFP

Data Sheet

0-384: $0.78
W78L032A24PL
W78L032A24PL


IC MCU 8-BIT 4K FLASH 44-PLCC

Data Sheet

0-390: $0.78
W78L051A24DL
W78L051A24DL


IC MCU 8-BIT 4K FLASH 40-DIP

Data Sheet

Negotiable 
W78L051A24FL
W78L051A24FL


IC MCU 8-BIT 4K FLASH 44-PQFP

Data Sheet

Negotiable 
W78L051A24PL
W78L051A24PL


IC MCU 8-BIT 4K FLASH 44-PLCC

Data Sheet

Negotiable