HA13563 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA13563

Three-Phase Stepping Motor Control IC

Hitachi -> Renesas Electronics 

HA13563/V

Also note that the value of the resistor (Rosc) inserted between the external clock and pin 6

when an external clock is used can be calculated from the following formulas:

Rosc ≥ 2 (VIH – 2.1) – 1.5 (kΩ)

Rosc ≤ 6 (2.1 – VIL) – 1.5 (kΩ)

where, VIH : The clock driver high-level voltage.

VIL : The clock driver low-level voltage.

If an external clock signal is input to pin 6 through a capacitor (Cosc), we recommend using a 10

pF capacitor for Cosc.

9. The relationship with CLK crystal oscillator frequency refer to the following.

Oscillator

fc

C110

C109

R103

Crystal

6.0 to 9.2 MHz 10 pF

0.047 µF

1 kΩ

2.0 to 6.0 MHz 10 pF

Uselessness

Uselessness

9

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