HD404316S - Hitachi Semiconductor

HD404316S 4-bit HMCS400-series microcomputer

The HD404318 Series is 4-bit HMCS400-series microcomputer with large-capacity memory designed to increase program productivity. Each microcomputer has an A/D converter and input capture timer built in. They also come with high-voltage I/O pins that can directly drive a fluorescent display. The HD404318 Series includes four chips: the HD404318 with 8-kword RO.

Features

• 34 I/O pins  One input-only pin  33 input/output pins: 21 pins are high-voltage pins (40 V, max.)
• On-chip A/D converter (8-bit × 8-channel)
• Three timers  One event counter input  One timer output  One input capture timer
• 8-bit clock-synchronous serial interface (1 channel)
• Alarm output
• Built-in oscillators  Ceramic or crystal oscillator  External clock drive is also possible HD404318 Series
• Seven interrupt sources  Two by external sources  Three by timers  One each by the A/D converter and serial interface
• Two low-power dissipation modes  Standby mode  Stop mode
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