參數(shù)資料
型號： MPC5646CCF0VLT8R
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP208
封裝： 28 X 28 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MS-026BJB, LQFP-208
文件頁數(shù)： 82/115頁
文件大?。?/td> 783K
代理商： MPC5646CCF0VLT8R
Electrical Characteristics
MPC5646C Microcontroller Datasheet, Rev. 4
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
69
4.14
FMPLL electrical characteristics
The device provides a frequency-modulated phase-locked loop (FMPLL) module to generate a fast system clock from the main
oscillator driver.
4.15
Fast internal RC oscillator (16 MHz) electrical characteristics
The device provides a 16 MHz main internal RC oscillator. This is used as the default clock at the power-up of the device and
can also be used as input to PLL.
Table 38. FMPLL electrical characteristics
Symbol
C
Parameter
Conditions1
1 V
DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.
Value2
2 All values need to be confirmed during device validation.
Unit
Min
Typ
Max
fPLLIN
SR — FMPLL reference clock3
3 PLLIN clock retrieved directly from 4-40 MHz XOSC or 16 MIRC. Input characteristics are granted when oscillator
is used in functional mode. When bypass mode is used, oscillator input clock should verify fPLLIN and PLLIN.
—4
—
64
MHz
PLLIN
SR — FMPLL reference clock duty
cycle(3)
—40
—
60
%
fPLLOUT CC P FMPLL output clock
frequency
—16
—
120
MHz
fCPU
SR — System clock frequency
—
120 + 2%4
4 f
CPU 120 + 2% MHz can be achieved at 125 °C.
MHz
fFREE
CC P Free-running frequency
—
20
—
150
MHz
tLOCK
CC P FMPLL lock time
Stable oscillator (fPLLIN = 16
MHz)
40
100
s
t
LTJIT
CC — FMPLL long term jitter
fPLLIN = 40 MHz (resonator),
fPLLCLK @ 120 MHz, 4000
cycles
——
6
(for < 1ppm)
ns
IPLL
CC C FMPLL consumption
TA = 25 °C
—
3
mA
Table 39. Fast internal RC oscillator (16 MHz) electrical characteristics
Symbol
C
Parameter
Conditions1
Value2
Unit
Min
Typ
Max
fFIRC
CC P Fast internal RC oscillator high
frequency
TA = 25 °C, trimmed
—
16
—
MHz
SR —
—
12
20
IFIRCRUN
3,
CC T Fast internal RC oscillator high
frequency current in running
mode
TA = 25 °C, trimmed
—
200
A
IFIRCPWD CC D Fast internal RC oscillator high
frequency current in power
down mode
TA = 25 °C
—
100
nA
DTA = 55 °C
—
200
nA
DTA = 125 °C
—
1
A
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