MC9S12XD256MAL Datasheet, PDF (1271/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Appendix A Electrical Characteristics
Table A-23. PLL Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
Unit
1 P Self clock mode frequency
f_SCM
1
—
5.5
MHz
2 D VCO locking range
f_VCO
8
3 D Lock detector transition from acquisition to tracking mode |∆_trk|
3
4 D Lock detection
|∆_Lock|
0
5 D Unlock detection
|∆_unl|
0.5
6 D Lock detector transition from tracking to acquisition mode |∆_unt|
6
7 C PLLON total stabilization delay (auto mode)²
t_stab
—
8 D PLLON acquisition mode stabilization delay²
t_acq
—
9 D PLLON tracking mode stabilization delay²
t_al
—
—
—
—
—
—
0.24
0.09
0.16
80
MHz
4
%¹
1.5
%¹
2.5
%¹
8
%¹
—
ms
—
ms
—
ms
10 D Fitting parameter VCO loop gain
K₁
—
–195
—
MHz/V
11 D Fitting parameter VCO loop frequency
f₁
—
126
—
MHz
12 D Charge pump current acquisition mode
| i_ch |
—
38.5
—
µA
13 D Charge pump current tracking mode
| i_ch |
—
3.5
—
µA
14 C Jitter fit parameter 1²
j₁
—
0.9
1.3
%
15 C Jitter fit parameter 2²
j₂
—
0.02
0.12
%
1 _{% deviation from target frequency}
2 _{fosc = 4 MHz, fBUS = 40 MHz equivalent fVCO = 80 MHz: REFDV = #$00, SYNR = #$09, CS = 4.7 nF, CP = 470 pF, RS = 4.7 kΩ}
A.6 MSCAN
Table A-24. MSCAN Wake-up Pulse Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C
Rating
1 P MSCAN wakeup dominant pulse filtered
2 P MSCAN wakeup dominant pulse pass
Symbol
Min
Typ
t_WUP
—
—
t_WUP
5
—
Max
Unit
2
µs
—
µs
Freescale Semiconductor
MC9S12XDP512 Data Sheet, Rev. 2.21
1273