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HD404889TE Datasheet(PDF) 4 Page - Renesas Technology Corp |
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HD404889TE Datasheet(HTML) 4 Page - Renesas Technology Corp |
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4 / 202 page  HD404889/HD404899/HD404878/HD404868 Series 2 • Four Timer/counters 8-bit timer: 2 (HD404889/HD404899/HD404878 Series) 1 (HD404868 Series) 16-bit timer:1 (Can also be used as two 8-bit timer) • 8-bit input capture circuit (HD404889/HD404899/HD404878 Series) • Two timer outputs (including PWM out-put) • Two event counter inputs (edge-programmable) (HD404889/HD404899/HD404878 Series) One event counter input (edge-programmable) (HD404868 Series) • Clock-synchronous 8-bit serial interface • A/D converter 6 channels × 8-bit (HD404889 Series) 6 channels × 10-bit (HD404899 Series) 4 channels × 10-bit (HD404868 Series) • LCD controller/driver (32 segments × 4 commons) (HD404889/HD404899/HD404878 Series) (24 segments × 4 commons) (HD404868 Series) • On-chip oscillators Main clock (ceramic resonator, crystal resonator, or external clock operation possible) Sub-clock (32.768 kHz crystal resonator) • Interrupts External: 3 (including one edge-programmable) Internal : 6 (HD404889 and HD404899 Series) : 5 (HD404878 and HD404868 Series) • Subroutine stack up to 16 levels, including interrupts • Four Low-power dissipation modes • 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): 4 • Instruction execution time Min. 0.89 µs (f OSC = 4.5 MHz) • Operation voltage 1.8 V to 5.5 V 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. • Memory register, data area, and stack area values are unstable immediately after power is turned on. They must be initialized before use. |
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