HCS08 datasheet(297/316 Pages) NXP

297 / 316 page

Appendix A Electrical Characteristics

MC9S08SG8 MCU Series Data Sheet, Rev. 8

Freescale Semiconductor

297

A.8

External Oscillator (XOSC) Characteristics

Table A-8. Oscillator Electrical Specifications (Temperature Range = –40 to 125

C Ambient)

Rating

Symbol

Min

Typ1

1 Typical data was characterized at 5.0 V, 25

C or is recommended value.

Max

Uni

Temp Rated2

Standard

AEC

Grade 0

Oscillator crystal or resonator (EREFS = 1,

ERCLKEN = 1)

Low range (RANGE = 0)

flo

—

38.4

kHz

High range (RANGE = 1) FEE or FBE mode 3

fhi

1—

MHz

High range (RANGE = 1, HGO = 1) FBELP

mode

fhi-hgo

1—

MHz

High range (RANGE = 1, HGO = 0) FBELP

mode

fhi-lp

1—

MHz

2—

Load capacitors

C1, C2

See crystal or resonator manufacturer’s

recommendation.

3—

Feedback resistor



Low range (32 kHz to 100 kHz)

—

High range (1 MHz to 16 MHz)

—

4—

Series resistor



Low range, low gain (RANGE = 0, HGO =

—0

—

Low range, high gain (RANGE = 0, HGO =

—

100

—

High range, low gain (RANGE = 1, HGO =

—0

—

High range, high gain (RANGE = 1, HGO

= 1)

 8 MHz

—

 MHz

—

 MHz

—

Crystal start-up time 4

Low range, low gain (RANGE = 0, HGO =

CSTL-LP

—

200

—

Low range, high gain (RANGE = 0, HGO =

CSTL-HGO

—

400

—

High range, low gain (RANGE = 1, HGO =

0)5

CSTH-LP

—5

—

High range, high gain (RANGE = 1, HGO

= 1)4

CSTH-HGO

—20

—

Square wave input clock frequency (EREFS = 0,

ERCLKEN = 1)

fextal

FEE or FBE mode 2

0.03125

—

MHz

FBELP mode

—

MHz

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