HD404084 datasheet(2/161 Pages) RENESAS

2 / 161 page

HD404374/HD404384/HD404389/HD404082/HD404084 Series

Rev.5.00, Sep.11.2003, page 2 of 161

• On-chip oscillators

 HD404374 Series

• Main clock (ceramic resonator, crystal resonator, CR oscillation* or external clock operation

possible)

• Sub-clock (32.768 kHz crystal resonator)

 HD404384, HD404389, HD404082, and HD404084 Series

• Main clock (ceramic resonator, crystal resonator, CR oscillation* or external clock operation

possible)

Note: * CR oscillation in an optional function.

• Interrupts

External: 2 (including one edge-programmable)

Internal : 5 (HD404374/HD404384/HD404389 Series)

: 4 (HD404082/HD404084 Series)

• Subroutine stack up to 16 levels, including interrupts

• Low-power dissipation modes

 HD404374 Series: 4

 HD404384, HD404389, HD404082, and HD404084 Series:

• Module standby (timers, serial interface, A/D converter)

• System clock division software switching (1/4 or 1/32)

• Inputs for return from stop mode (wakeup): 1

• Instruction execution time

Min. 0.89 µs (f

OSC = 4.5 MHz, division by 1/4)

Min. 0.47 µs (f

OSC = 8.5 MHz, division by 1/4)

• Operation voltage

1.8 V to 5.5 V

2.0 V to 5.5 V (ZTAT

TM)

Cautions about operation!

• Electrical properties presented on the data sheet for the mask ROM and ZTATTM versions will surely

and sufficiently satisfy the standard values. However, real capabilities, operation margin, noise margin,

and other properties may vary depending on differences of manufacturing processes, internal wiring

patterns, etc. Therefore, it is requested for users to carry out an evaluation test for each product on an

actual system under the same conditions to see its operation.

• After power supply has been connected, the values for the memory register, data and stack areas will be

undefined. Initialize prior to use.

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