參數(shù)資料
型號(hào): MC9S12XF512J0CLMR
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, QFP112
封裝: LQFP-112
文件頁(yè)數(shù): 242/1306頁(yè)
文件大小: 8007K
代理商: MC9S12XF512J0CLMR
Appendix A Electrical Characteristics
MC9S12XF - Family Reference Manual, Rev.1.19
Freescale Semiconductor
1215
A.6.2
Oscillator
Table A-21. Oscillator Characteristics
Conditions are shown in Table A-4. unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
Unit
1a
C Crystal oscillator range (loop controlled Pierce)
fOSC
4.0
16
MHz
1b
C Crystal oscillator range (full swing Pierce) (1),(2)
1. Depending on the crystal a damping series resistor might be necessary
2. Only valid if full swing Pierce oscillator/external clock mode is selected
fOSC
2.0
40
MHz
2
P Startup Current
iOSC
100
——
A
3a
C Oscillator start-up time (LCP, 4MHz)(3)
3. These values apply for carefully designed PCB layouts with capacitors that match the crystal/resonator requirements..
tUPOSC
210
ms
3b
C Oscillator start-up time (LCP, 8MHz)3
tUPOSC
1.6
8
ms
3c
C Oscillator start-up time (LCP, 16MHz)3
tUPOSC
15
ms
4a
C Oscillator start-up time (full swing Pierce, 2MHz)3
tUPOSC
840
ms
4b
C Oscillator start-up time (full swing Pierce, 4MHz)3
tUPOSC
420
ms
4c
C Oscillator start-up time (full swing Pierce, 8MHz)3
tUPOSC
210
ms
4d
C Oscillator start-up time (full swing Pierce, 16MHz)3
tUPOSC
15
ms
4e
C Oscillator start-up time (full swing Pierce, 40MHz)3
tUPOSC
0.8
4
ms
5
D Clock Quality check time-out
tCQOUT
0.45
2.5
s
6
P Clock Monitor Failure Assert Frequency
fCMFA
200
400
1000
KHz
7
P External square wave input frequency
fEXT
2.0
50
MHz
8
D External square wave pulse width low
tEXTL
9.5
——
ns
9
D External square wave pulse width high
tEXTH
9.5
——
ns
10
D External square wave rise time
tEXTR
——
1ns
11
D External square wave fall time
tEXTF
——
1ns
12
D Input Capacitance (EXTAL, XTAL pins)
CIN
7
pF
13
P EXTAL Pin Input High Voltage
VIH,EXTAL
0.75*VDDPLL
——
V
T EXTAL Pin Input High Voltage,(4)
4. Only applies if EXTAL is externally driven
VIH,EXTAL
——
VDDPLL + 0.3
V
14
P EXTAL Pin Input Low Voltage
VIL,EXTAL
0.25*VDDPLL
V
T
EXTAL Pin Input Low Voltage,4
VIL,EXTAL
VSSPLL - 0.3
——
V
15
C EXTAL Pin Input Hysteresis
VHYS,EXTAL
180
mV
16
C
EXTAL Pin oscillation amplitude (loop controlled
Pierce)
VPP,EXTAL
0.9
V
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