HD404449 - Hitachi

HD404449 (HD4074448 / HD4074449) MICROCONTROLLER

The HD404449 Series is a HMCS400-series microcomputer designed to increase program productivity with large-capacity memory. Each microcomputer has four timers, two serial interfaces, A/D converter, input capture circuit, 32-kHz oscillator for clock, and four low-power dissipation modes. The HD404449 Series includes three chips: the HD404448 with 8-kword ROM.

Features

• 8,192-word × 10-bit ROM (HD404448) 16,384-word × 10-bit ROM (HD404449 and HD4074449)
• 1,152-digit × 4-bit RAM
• 64 I/O pins, including 10 high-current pins (15 mA, max)
• Four timer/counters
• Eight-bit input capture circuit
• Three timer outputs (including two PWM outputs)
• Two event counter inputs (including one double-edge function)
• Two clock-synchronous 8-bit serial interfaces
• A/D converter (4-channel × 8-bit)
• Built-in oscillators  Main clock: 4-MHz ceramic oscillator or crystal (an external clock is also possible)  Subclock: 32.768-kHz crystal
• Eleven interrupt sources  Fou.