參數(shù)資料
型號: MPC5603PGF0MLL4R
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 40 MHz, MICROCONTROLLER, QFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT LQFP-100
文件頁數(shù): 44/82頁
文件大?。?/td> 1613K
代理商: MPC5603PGF0MLL4R
MPC5604P Microcontroller Data Sheet, Rev. 6.1
Freescale Semiconductor
49
3.12
16 MHz RC Oscillator Electrical Characteristics
5 This value is determined by the crystal manufacturer and board design.
6 Jitter is the average deviation from the programmed frequency measured over the specified interval at maximum
fSYS. Measurements are made with the device powered by filtered supplies and clocked by a stable external clock
signal. Noise injected into the PLL circuitry via VDDPLL and VSSPLL and variation in crystal oscillator frequency
increase the CJITTER percentage for a given interval.
7 Proper PC board layout procedures must be followed to achieve specifications.
8 Values are with frequency modulation disabled. If frequency modulation is enabled, jitter is the sum of C
JITTER and
either fCS or fDS (depending on whether center spread or down spread modulation is enabled).
9 Short term jitter is measured on the clock rising edge at cycle n and cycle n+4.
10 This value is determined by the crystal manufacturer and board design. For 4 MHz to 20 MHz crystals specified for
this PLL, load capacitors should not exceed these limits.
11 This specification applies to the period required for the PLL to relock after changing the MFD frequency control bits
in the synthesizer control register (SYNCR).
12 This value is true when operating at frequencies above 60 MHz, otherwise f
CS is 2% (above 64 MHz).
13 Modulation depth will be attenuated from depth setting when operating at modulation frequencies above 50kHz.
Table 27. 16 MHz RC Oscillator Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fRC
P
RC oscillator frequency
TA = 25 °C
16
MHz
Δ
RCMVAR
P
Fast internal RC oscillator variation
over temperature and
supply with respect to fRC at TA = 25 °C
in high-frequency configuration
—-5
5
%
Δ
RCMTRIM
T
Post Trim Accuracy: The variation of the
PTF1 from the 16 MHz
1 PTF = Post Trimming Frequency: The frequency of the output clock after trimming at typical supply voltage and
temperature.
TA = 25 °C
-1
1
%
Δ
RCMSTEP
T
Fast internal RC oscillator trimming
step
TA = 25 °C
1.6
%
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