SC312XDP512F0MPVR datasheet(1271/1348 Pages) FREESCALE

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Appendix A Electrical Characteristics

MC9S12XDP512 Data Sheet, Rev. 2.21

Freescale Semiconductor

1273

A.6

MSCAN

Table A-23. PLL Characteristics

Conditions are shown in Table A-4 unless otherwise noted

Num

Rating

Symbol

Min

Typ

Max

Unit

P Self clock mode frequency

fSCM

—

5.5

MHz

D VCO locking range

fVCO

—

MHz

D Lock detector transition from acquisition to tracking mode

|∆trk|3

—

1 % deviation from target frequency

D Lock detection

|∆Lock|

—

1.5

D Unlock detection

|∆unl|

0.5

—

2.5

D Lock detector transition from tracking to acquisition mode

|∆unt|6

—

C PLLON total stabilization delay (auto mode)2

2 f

osc = 4 MHz, fBUS = 40 MHz equivalent fVCO = 80 MHz: REFDV = #$00, SYNR = #$09, CS = 4.7 nF, CP = 470 pF, RS = 4.7 kΩ

tstab

—

0.24

—

D PLLON acquisition mode stabilization delay2

tacq

—

0.09

—

D PLLON tracking mode stabilization delay2

tal

—

0.16

—

D Fitting parameter VCO loop gain

—

–195

—

MHz/V

D Fitting parameter VCO loop frequency

—

126

—

MHz

D Charge pump current acquisition mode

| ich |

—

38.5

—

µA

D Charge pump current tracking mode

| ich |

—

3.5

—

µA

C Jitter ﬁt parameter 12

—

0.9

1.3

C Jitter ﬁt parameter 22

—

0.02

0.12

Table A-24. MSCAN Wake-up Pulse Characteristics

Conditions are shown in Table A-4 unless otherwise noted

Num

Rating

Symbol

Min

Typ

Max

Unit

P MSCAN wakeup dominant pulse ﬁltered

tWUP

——

µs

P MSCAN wakeup dominant pulse pass

tWUP

5—

—

µs

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