Freescale Semiconductor MC9S12ZVHL32, Reference Manual

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S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor 813
Appendix J
Electrical Characteristics for the Oscillator (OSCLCPcr)
J.1 OSCLCP Electrical characteristics
Table J-1. XOSCLCP Characteristics
Conditions are shown in Table J-1. unless otherwise noted
Num C Rating Symbol Min Typ Max Unit
1 C Nominal crystal or resonator frequency f
OSC
4.0 20 MHz
2 P Startup Current i
OSC
100

A
3a C Oscillator start-up time (4MHz)
(1)
1. These values apply for carefully designed PCB layouts with capacitors that match the crystal/resonator requirements.
t
UPOSC
—
2 10 ms
3b C Oscillator start-up time (8MHz)
1
t
UPOSC
—
1.6 8 ms
3c C Oscillator start-up time (16MHz)
1
t
UPOSC
—
1 5 ms
3d C Oscillator start-up time (20MHz)
1
t
UPOSC
—
1 4 ms
4 P Clock Monitor Failure Assert Frequency f
CMFA
200 450 1200 kHz
5 D Input Capacitance (EXTAL, XTAL pins) C
IN
7 pF
6 C EXTAL Pin Input Hysteresis
V
HYS,EXT
AL
—
120
—
mV
7 C
EXTAL Pin oscillation amplitude (loop
controlled Pierce)
V
PP,EXTAL
—
0.9
—
V
8 C
EXTAL Pin oscillation amplitude (full swing
Pierce)
V
PP,EXTAL
—
1.8
—
V
9 D
EXTAL Pin oscillation required
amplitude
(2)
2. Needs to be measured at room temperature on the application board using a probe with very low (<=5pF) input
capacitance.
V
PP,EXTAL
0.8
—
1.5
V
10 D
EXTAL Pin oscillation required
amplitude
(3)
3. Needs to be measured at room temperature on the application board using a probe with very low (<=5pF) input
capacitance.
V
PP,EXTAL
0.8
—
2.4
V