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W78M032A24PL Datasheet(PDF) 2 Page - Winbond |
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W78M032A24PL Datasheet(HTML) 2 Page - Winbond |
2 / 18 page W78L32/W78L032A/W78M032A - 2 - 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 Fully static design Supply voltage of 1.8V to 5.5V Low power consumption at full supply voltage DC-24 MHz operation 256 bytes of on-chip scratchpad RAM 64K bytes program memory address space 64K bytes data memory address space Four 8-bit bidirectional ports Three 16-bit timer/counters One full duplex serial port Boolean processor Six-source, two-level interrupt capability Built-in power management 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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