ZUSBOPTSC01ZAC datasheet(286/402 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

264

Figure 50. Maximum Stop Mode IDD with VBO Disabled vs. Supply Voltage

AC Characteristics

The section provides information on the AC characteristics and timing. All AC timing

information assumes a standard load of 50 pF on all outputs. Data in the typical column is

from characterization at 3.3 V and 25 ºC. These values are provided for design guidance

only and are not tested in production.

Table 140. AC Characteristics

Symbol

Parameter

VDD = 2.7–3.6V

TA = –40ºC to 105ºC

Units Conditions

Minimum Maximum

FSYSCLK System clock frequency

—

20.0

MHz

FXTAL

Crystal oscillator frequency

0.032768

20.0

MHz System clock frequencies

below the crystal oscillator

minimum require an external

clock driver.

TXIN

System clock period

—

TCLK = 1 ÷ FSYSCLK.

TXINH

System clock high time

TCLK = 50ns.

TXINL

System clock low time

TCLK = 50ns.

TBD

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