W78L32_06 Datasheet, PDF (2/18 Pages) Winbond – 8-BIT MICROCONTROLLER

W78L32/W78L032A/W78M032A
1. GENERAL DESCRIPTION
The W78L32 microcontroller supplies a wider frequency range and supply voltages than most 8-bit
microcontrollers on the market. It is compatible with the industry standard 80C32 microcontroller
series.
The W78L32 contains four 8-bit bidirectional parallel ports, three 16-bit timer/counters and a serial
port. These peripherals are supported by a six-source, two-level interrupt capability. There are 256
bytes of RAM, and the device supports ROMless operation for application programs.
The W78L32 microcontroller has two power reduction modes, idle mode and power-down mode, both
of which are software selectable. The idle mode turns off the processor clock but allows for continued
peripheral operation. The power-down mode stops the crystal oscillator for minimum power
consumption. The external clock can be stopped at any time and in any state without affecting the
processor.
2. FEATURES
y Fully static design
y Supply voltage of 1.8V to 5.5V
y Low power consumption at full supply voltage
y DC-24 MHz operation
y 256 bytes of on-chip scratchpad RAM
y 64K bytes program memory address space
y 64K bytes data memory address space
y Four 8-bit bidirectional ports
y Three 16-bit timer/counters
y One full duplex serial port
y Boolean processor
y Six-source, two-level interrupt capability
y Built-in power management
y Packages:
− DIP 40: W78L32-24
− PLCC 44: W78L32P-24
− QFP 44: W78L32F-24
− Lead Free (RoHS) DIP 40: W78L032A24DL, W78M032A24DL
− Lead Free (RoHS) PLCC 44: W78L032A24PL, W78M032A24PL
− Lead Free (RoHS) PQFP 44: W78L032A24FL, W78M032A24FL
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