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FR60 MB91460E Series - Microcontrollers - Fujitsu

FR60 MB91460E Series - Microcontrollers - Fujitsu

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Type Circuit Remarks<br />

G Mask ROM and EVA device:<br />

R<br />

Hysteresis<br />

inputs<br />

<strong>MB91460E</strong> <strong>Series</strong><br />

CMOS Hysteresis input pin<br />

Flash device:<br />

CMOS input pin<br />

12 V withstand (for MD [2:0])<br />

H CMOS Hysteresis input pin<br />

Pull-up resistor value: 50 kΩ approx.<br />

Pull-up<br />

Resistor<br />

R<br />

Hysteresis<br />

inputs<br />

J1 High-speed oscillation circuit:<br />

• Programmable between oscillation mode<br />

X1<br />

(external crystal or resonator connected<br />

to X0/X1 pins) and<br />

R<br />

Fast external Clock Input (FCI) mode<br />

(external clock connected to X0 pin)<br />

0<br />

1<br />

Xout • Feedback resistor = approx. 2 * 0.5 MΩ.<br />

Feedback resistor is grounded in the center<br />

when the oscillator is disabled or in FCI mode.<br />

X0<br />

R<br />

FCI or osc disable<br />

FCI<br />

J2 Low-speed oscillation circuit:<br />

• Feedback resistor = approx. 2 * 5 MΩ.<br />

X1A<br />

Xout Feedback resistor is grounded in the center<br />

when the oscillator is disabled.<br />

R<br />

X0A<br />

R<br />

osc disable<br />

DS705-00002-1v3-E 19

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