W78L54 microcontroller supplies wider frequency supply voltage range t
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W78L54 8-BIT MICROCONTROLLER
W78L54 microcontroller supplies wider frequency supply voltage range than most 8-bit microcontrollers market. compatible with industry standard 80C54 microcontroller series. W78L54 contains four 8-bit bidirectional parallel ports, extra 4-bit bit-addressable port (Port additional external interrupts INT2 INT3 three 16-bit timer/counters, watchdog timer serial port. These peripherals supported eight-source, two-level interrupt capability. There bytes byte mask application programs. W78L54 microcontroller power reduction modes, idle mode power-down mode, both which software selectable. idle mode turns processor clock allows continued peripheral operation. power-down mode stops crystal oscillator minimum power consumption. external clock stopped time state without affecting processor.
Fully static design Supply voltage 1.8V 5.5V DC-24 operation bytes on-chip scratchpad bytes on-chip mask bytes program memory address space bytes data memory address space Four 8-bit bidirectional ports Three 16-bit timer/counters full duplex serial port Eight-source, two-level interrupt capability extra 4-bit bit-addressable port additional external interrupts INT2 INT3 Watchdog timer reduction mode Built-in power management Code protection Packages:
W78L54-24 PLCC W78L54P-24 W78L54F-24
Publication Release Date: Sep. 1998 Revision
W78L54
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