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HD4048412 Datasheet

4-bit Single-chip Microcomputer

Manufacturer: Hitachi Semiconductor (now Renesas)

HD4048412 Overview

The HD404849 series of HMCS400-series microputers is designed to increase program productivity and also incorporate large-capacity memory. Each microputer has an LCD controller/driver, A/D converter, input capture circuit, 32-kHz oscillator for clock use, and four low-power dissipation modes. The HD404849 series includes the HD404848 with an 8-kword on-chip ROM, the HD4048412 with a 12kword on-chip ROM, the HD404849...

HD4048412 Key Features

  • 35 I/O pins, including nine high-current pins (15 mA, max.), eight pins multiplexed with LCD segment pins, and four pins
  • Four timer/counters
  • Eight-bit input capture circuit
  • Three timer outputs (including two PWM outputs)
  • Two event counter inputs (including one in which the detection edge is programmable)
  • Clock-synchronous 8-bit serial interface
  • A/D converter (8 channels × 8 bits)  Operation voltage 2.7 V to 6.0 V
  • LCD driver (32 segments × 4 mons)
  • Built-in oscillators  Main clock: Can be driven by ceramic oscillator, crystal oscillator, or external clock.  Subcloc
  • Ten interrupt sources  Four by external sources, including two in which the detection edge is programmable

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