
Renesas Electronics
Description
The HD404358 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, and two low-power dissipation modes.
FEATUREs
• 34 I/O pins
― One input-only pin
― 33 input/output pins: 4 pins are intermediate-voltage NMOS open drain with high-current pins (15 mA, max.)
• On-chip A/D converter (8-bit × 8-channel)
― Low power voltage 2.7 V to 6.0 V
• Three timers
― One event counter input
― One timer output
― One input capture timer
• Eight-bit clock-synchronous serial interface (1 channel)
• Alarm output
• Built-in oscillators
― Ceramic oscillator or crystal
― External clock drive is also possible
• Seven interrupt sources
― Two by external sources
― Three by timers
― One by A/D converter
― One by serial interface
• Two low-power dissipation modes
― Standby mode
― Stop mode
• Instruction cycle time
― 0.47 µs (fOSC = 8.5 MHz, 1/4 division ratio): HD40A4354, HD40A4356, HD40A4358, HD407A4359
― 0.8 µs (fOSC = 5 MHz, 1/4 division ratio): HD404354, HD404356, HD404358