参数资料
型号: SPC5643AF0MLU2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PQFP176
封装: 24 X 24 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, LQFP-176
文件页数: 140/142页
文件大小: 886K
代理商: SPC5643AF0MLU2
Electrical characteristics
MPC5644A Microcontroller Data Sheet, Rev. 4
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
97
3.11
Temperature sensor electrical characteristics
3 All internal registers retain data at 0 Hz.
4 “Loss of Reference Frequency” window is the reference frequency range outside of which the PLL is in self clocked
mode.
5 Self clocked mode frequency is the frequency that the PLL operates at when the reference frequency falls outside
the fLOR window.
6 f
VCO self clock range is 20–150 MHz. fSCM represents fSYS after PLL output divider (ERFD) of 2 through 16 in
enhanced mode.
7 This value is determined by the crystal manufacturer and board design.
8 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.
9 Proper PC board layout procedures must be followed to achieve specifications.
10 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).
11 This value is determined by the crystal manufacturer and board design. For 4 MHz to 40 MHz crystals specified for
this PLL, load capacitors should not exceed these limits.
12 Proper PC board layout procedures must be followed to achieve specifications.
13 This parameter is guaranteed by design rather than 100% tested.
14 V
IHEXT cannot exceed VRC33 in external reference mode.
15 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).
16 Modulation depth will be attenuated from depth setting when operating at modulation frequencies above 50 kHz.
Table 26. Temperature sensor electrical characteristics
Symbol
C
Parameter
Conditions
Value
Unit
min
typical
max
CC
C Temperature
monitoring range
–40
150
°C
CC
C Sensitivity
6.3
mV/°C
CC
C Accuracy
TJ = –40 to 150 °C
–10
10
°C
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SPC5643LF0MLQ8R 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:MPC5643L Microcontroller Data Sheet