HD404328FS View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

HD404328FS

4-bit HMCS400-series microcomputer

Renesas Electronics 

HD404328 Series

Rev. 6.0

Sept. 1998

Description

The HD404328 Series is an HMCS400-Series microcomputer designed to increase program productivity

and also to incorporate large-capacity memory. Each microcomputer has an LCD controller/driver, A/D

converter, and zero-crossing detection circuit. Each also has a 32.768-kHz oscillator and low-power

dissipation modes.

The HD404328 Series includes eight chips: the HD404324 and HD404324U with 4-kword ROM; the

HD404326 and HD404326U with 6-kword ROM; the HD404328 and HD404328U with 8-kword ROM;

the HD4074329 and HD4074329U with 16-kword PROM. The HD404324U, HD404326U, HD404328U

and HD4074329U are designed to reduce current dissipation in subactive mode and watch mode.

The HD4074329 and HD4074329U, which include PROM, are ZTAT™ microcomputers that can

dramatically shorten system development periods and smooth the process from debugging to mass

production. (The PROM program specifications are the same as for the 27256.)

Features

• 4,096-word × 10-bit ROM (HD404324, HD404324U)

6,144-word × 10-bit ROM (HD404326, HD404326U)

• 8,192-word × 10-bit ROM (HD404328, HD404328U)

16,384-word × 10-bit PROM (HD4074329, HD4074329U)

• 280-digit × 4-bit RAM (HD404324, HD404324U, HD404326, HD404326U, HD404328, HD404328U)

536-digit × 4-bit RAM (HD4074329, HD4074329U)

• 35 I/O pins

 2 input pins

 33 input/output pins, including 8 high-current pins (15 mA, max.) and 16 pins multiplexed with

LCD segment pins

• Three timer/counters

• 8-bit clock-synchronous serial interface

• 8-bit × 4-channel A/D converter

• 12-digit LCD controller/driver (24 SEG × 4COM)

(HD404324U, HD404326U, HD404328U, HD4074329U: External LCD voltage division resistors are

required)

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