Freescale Semiconductor DEMO9S08DZ60 Demo Board DEMO9S08DZ60 DEMO9S08DZ60 数据表

Freescale Semiconductor

381

°

1

P

Internal reference frequency - factory trimmed at
V

DD

 = 5 V and temperature = 25

°

C

f

int_ft

—

31.25

—

kHz

2

P

Average internal reference frequency -

untrimmed

1

f

int_ut

25

32.7

41.66

kHz

3

P

Average internal reference frequency - user
trimmed

f

int_t

31.25

—

39.0625

kHz

4

D Internal reference startup time

t

irefst

—

60

100

us

5

—

DCO output frequency range - untrimmed

value provided for reference: f

dco_ut

 = 1024 X

f

int_ut

f

dco_ut

25.6

33.48

42.66

MHz

6

P DCO output frequency range - trimmed

f

dco_t

32

—

40

MHz

7

C

Resolution of trimmed DCO output frequency at
fixed voltage and temperature (using FTRIM)

Δ

f

dco_res_t

—

±

0.1

±

0.2

%f

dco

8

C

Resolution of trimmed DCO output frequency at
fixed voltage and temperature (not using FTRIM)

Δ

f

dco_res_t

—

±

0.2

±

0.4

%f

dco

9

P

Total deviation of trimmed DCO output frequency
over voltage and temperature

Δ

f

dco_t

—

+ 0.5

-1.0

±

2

%f

dco

10

C

Total deviation of trimmed DCO output frequency
over fixed voltage and temperature range of
0 - 70

°

C

Δ

f

dco_t

—

±

0.5

±

1

%f

dco

11

C FLL acquisition time

2

t

fll_acquire

—

—

1

ms

12

D PLL acquisition time

3

t

pll_acquire

—

—

1

ms

13

C

Long term Jitter of DCO output clock (averaged

over 2ms interval)

4

C

Jitter

—

0.02

0.2

%f

dco

14

D VCO operating frequency

f

vco

7.0

—

55.0

MHz

15

D PLL reference frequency range

f

pll_ref

1.0

—

2.0

MHz

16

T

RMS frequency variation of a single clock cycle

measured 2 ms after reference edge.

5

f

pll_cycjit_2ms

—

—

%f

pll

17

T

Maximum frequency variation averaged over
2 ms window.

f

pll_maxjit_2ms

—

0.001

—

%f

pll

EXTAL

XTAL

Crystal or Resonator

R

S

C

2

R

F

C

1