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HD404618 Datasheet 4-bit Single-chip Microcomputer

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HD404618 Series 4-Bit Single-Chip Microputer Rev. 6.0 Sept. 1998.

General Description

The HD404618 Series is designed with the powerful and efficient architecture of the HMCS400 family.

The MCU incorporates a high-precision dual-tone multifrequency (DTMF) circuit, LCD driver/controller, voltage parator, and 32-kHz watch oscillator circuit.

The HD404618 Series includes five chips: the HD404612 with 2-kword ROM;

Key Features

  • 2048-word × 10-bit ROM (HD404612) 4096-word × 10-bit ROM (HD404614) 6144-word × 10-bit ROM (HD404616) 8192-word × 10-bit ROM (HD404618, HD4074618) 1184-digit × 4-bit RAM 30 I/O pins  10 high-current output pins  CMOS I/O pin circuit configuration  Input/output pull-up MOS can be selected by software On-chip DTMF generator LCD controller/driver (32 segments × 4 commons) Three timer/counters Clock-synchronous 8-bit serial interface Six.

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