4-bit Microcontroller

The W742E/C816 [W742E 816 is EEPROM type, W742C816 is mask type] is a high-performance 4- bit Microcontroller (C) that built in 640-dot LCD Driver The device contains a 4-bit ALU, two 8-bit Timers two dividers in dual-clock operation, a 40 16 LCD Driver ten 4-bit I/O ports (including 2 output port for LED driving), multiple frequency output, one channel DTMF generator and FSK Modulator of CCITT V.23 or Bellcore 202. There are also eleven interrupt sources and 16-level stack Buffer The W742E/C816 operates on very low current and has three power reduction modes, hold mode, stop mode and slow mode, which help to minimize power dissipation. By Winbond Electronics Corp America
W742C816 's PackagesW742C816 's pdf datasheet

W742C816 Pinout, Pinouts
W742C816 pinout,Pin out
This is one package pinout of W742C816,If you need more pinouts please download W742C816's pdf datasheet.

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