* 1,876-digit × 4-bit RAM
* 44 I/O pins, including 10 high-current pins (15 mA, max.) and 20 pins multiplexed with LCD segment pins
* Four timer/counters
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The HD404629R Series is part of the HMCS400-Series microcomputers designed to increase program productivity and also incorporate large-capacity memory. Each microcomputer has a high precision dualtone multifrequency (DTMF) generator, LCD controller/d.

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