SC1200 datasheet(6/60 Pages) TI

6 / 60 page

MSC1200

SBAS289E

www.ti.com

2.7V to 3.6V

4.75V to 5.25V

SYMBOL

FIGURE

PARAMETER

MIN

MAX

MIN

MAX

UNITS

External Clock Mode

fOSC(1)

External Crystal Frequency (fOSC)1

MHz

1/tOSC(1)

External Clock Frequency (fOSC)0

MHz

fOSC(1)

External Ceramic Resonator Frequency (fOSC)1

MHz

tHIGH

HIGH Time(2)

tLOW

LOW Time(2)

Rise Time(2)

Fall Time(2)

NOTES: (1) tCLK = 1/fOSC = one oscillator clock period for clock divider = 1. (2) These values are characterized but not 100% production tested.

AC ELECTRICAL CHARACTERISTICS(1): DVDD = 2.7V to 5.25V

FIGURE A. External Clock Drive CLK.

FIGURE B. Serial Flash Programming Power-On Timing.

SYMBOL

FIGURE

PARAMETER

MIN

MAX

UNIT

tRW

RST width

2 tOSC

—

tRRD

RST rise to P1.0 internal pull high

—

µs

tRFD

RST falling to CPU start

—

tRS

Input signal to RST falling setup time

tOSC

—

tRH

RST falling to P1.0 hold time

—

NOTE: P1.0 is internally pulled-up with ~11k

Ω during RST high.

P1.0/PROG

RST

RFD, tRH

RRD

HIGH

0.8V

LOW

OSC

MSC1200Yx

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

PHASE LOCK LOOP (PLL)

Input Frequency Range

External Crystal/Clock Frequency (fOSC)

32.768

kHz

PLL LF Mode

PLLDIV = 449 (default)

14.7456

MHz

PLL HF Mode

PLLDIV = 899 (must be set by user)

29.4912

MHz

PLL Lock Time

Within 1%

INTERNAL OSCILLATOR (IO)

See Typical Characteristics

IO LF Mode

12.8

MHz

IO HF Mode

25.6

MHz

Internal Oscillator Settling Time

Within 1%

NOTE: (1) Parameters are valid over operating temperature range, unless otherwise specified.

EXTERNAL CLOCK DRIVE CLK TIMING

SERIAL FLASH PROGRAMMING TIMING

SC1200 Datenblatt(PDF) 6 Page - Texas Instruments

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