Fully static design 8-bit CMOS microcontroller

64K bytes of in-system programmable Flash EPROM for Application Program (APROM)

4K bytes of auxiliary ROM for Loader Program (LDROM)

256+1K bytes of on-chip RAM. (including 1K bytes of AUX-RAM, software selectable)

64K bytes program memory address space and 64K bytes data memory address space

ALE off software selectable.

Four 8-bit bi-directional ports

One 4-bit multipurpose programmable port ( I/O, interrupt, Chip select function)

Three 16-bit timer/counters

One full duplex serial port

Watchdog timer

P1.0 T2 programmable clock out

Direct LED drive outputs for P4.4 ~ P4.7.

Eight-sources, two-level interrupt capability

Built-in power management

Code protection

Packaged in

DIP 40: W78E65-40

PLCC 44: W78E65P-40

QFP 44: W78E65F-40

 

 

 

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