ZUSBOPTSC01ZAC datasheet(288/402 Pages) ZILOG

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Electrical Characteristics

P R E L I M I N A R Y

PS024604-1005

Z8 Encore!® Motor Control Flash MCUs

Product Specification

266

Table 142 provides electrical characteristics and timing information for the External RC

Oscillator.

Table 143 provides electrical characteristics and timing information for the Internal Preci-

sion Oscillator.

Table 142. External RC Oscillator Electrical Characteristics and Timing

Symbol

Parameter

TA = –40ºC to 105ºC

Units Conditions

Minimum

Typical1

Maximum

VDD

Operating voltage

range

2.701

——

REXT

External resistance

from XIN to VDD

200

K¾

CEXT

External capacitance

from XIN to VSS

1000

FOSC

External RC oscillation

frequency

——

MHz

Note:

1. When using the external RC oscillator mode, the oscillator may stop oscillating if the power supply drops below

2.7V, but before the power supply drops to the voltage brown-out threshold. The oscillator will resume oscillation

as soon as the supply voltage exceeds 2.7V..

Table 143. Internal Precision Oscillator Electrical Characteristics and Timing

Symbol

Parameter

TA = –40ºC to 105ºC

Units Conditions

Minimum

Typical

Maximum

FOf

Output frequency1

5.308

5.5296

5.75

MHz

ICC

Supply current

1.6

VDD = 3.3V.

Note:

1. The frequency is factory programmed.

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