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Description

The HD404369 Series is a 4-bit HMCS400-Series microcomputer designed to increase program productivity and also incorporate large-capacity memory. Each microcomputer has an A/D converter, input capture timer, 32-kHz oscillator for clock, and four low-power dissipation modes.

Features

? 512-digit ¡Á 4-bit RAM

? 54 I/O pins

¨D One input-only pin

¨D 53 input/output pins: 8 pins are intermediate-voltage NMOS open drain with high-current pins (15 mA, max.)

? On-chip A/D converter (8-bit ¡Á 12-channel)

¨D Low power voltage 2.7 V to 6.0 V

? Three timers

¨D One event counter input

¨D One timer output

¨D One input capture timer

? Eight-bit clock-synchronous serial interface (1 channel)

? Alarm output

? Built-in oscillators

¨D Ceramic oscillator or crystal

¨D External clock drive is also possible

¨D Subclock: 32.768-kHz crystal oscillator

? Seven interrupt sources

¨D Two by external sources

¨D Three by timers

¨D One by A/D converter

¨D One by serial interface

? Four low-power dissipation modes

¨D Standby mode

¨D Stop mode

¨D Watch mode

¨D Subactive mode

? Instruction cycle time

¨D 0.47 ?s (fOSC = 8.5 MHz, 1/4 division ratio): HD40A4364, HD40A4368, HD40A43612, HD40A4369, HD407A4369

¨D 0.8 ?s (fOSC = 5 MHz, 1/4 division ratio): HD404364, HD404368, HD4043612, HD404369

¨D 1/4, 1/8, 1/16, 1/32 system clock division ratio can be selecte