HD4074459 Datasheet - Hitachi

HD4074459 (HD4074458 / HD4074459) MICROCONTROLLER

The HD404459 Series is a member of the 4-bit HMCS400-series microcomputers with large-capacity memory and architecture providing high program productivity. Each microcomputer has a 32-kHz oscillator for clock, low-voltage (1.8 V) operating mode, and four low-power dissipation modes. The HD404459 Se.

HD4074459 Features

* 8,192-word × 10-bit ROM (HD404458) 16,384-word × 10-bit ROM (HD404459 and HD4074459)

* 512-digit × 4-bit RAM (HD404458) 768-digit × 4-bit RAM (HD404459 and HD4074459)

* 56 I/O pins, including seven input pins

* Four timer/counters

* 1-channel × 8-bit input

HD4074459_Hitachi.pdf