HD404391 データシートの表示（PDF） - Renesas Electronics

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HD404391

4-bit microcomputers

Renesas Electronics 

HD404344R Series/HD404394 Series

 HD404344R Series

Ceramic oscillator, CR oscillation, External clock drive is also possible.

 HD404394 Series, HD4074344

Ceramic oscillator, External clock drive is also possible.

• Five interrupt sources

 One by external source (with programmable edge detection)

 Four by internal sources

• Subroutine stack

 Maximum 16 levels including interrupts

• Two low-power dissipation modes

 Standby mode

 Stop mode

• One input signal to return from stop mode

• Instruction cycle time

 1 µs (fOSC = 4 MHz)

2

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