参数资料
型号: MPC5646CCF0CLU8R
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP176
封装: 24 X 24 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-176
文件页数: 84/115页
文件大小: 783K
代理商: MPC5646CCF0CLU8R
MPC5646C Microcontroller Datasheet, Rev. 4
Preliminary—Subject to Change Without Notice
Electrical Characteristics
Freescale Semiconductor
70
4.16
Slow internal RC oscillator (128 kHz) electrical characteristics
The device provides a 128 kHz low power internal RC oscillator. This can be used as the reference clock for the RTC module.
IFIRCSTOP CC T Fast internal RC oscillator high
frequency and system clock
current in stop mode
TA = 25 °C sysclk = off
500
A
sysclk = 2 MHz
600
sysclk = 4 MHz
700
sysclk = 8 MHz
900
sysclk = 16 MHz
1250
TFIRCSU
CC C Fast internal RC oscillator
start-up time
TA = 55 °C VDD = 5.0 V ± 10%
2.0
s
—VDD = 3.3 V ± 10%
5
—TA = 125 °C VDD = 5.0 V ± 10%
2.0
—VDD = 3.3 V ± 10%
5
FIRCPRE
CC C Fast internal RC oscillator
precision after software
trimming of fFIRC
TA = 25 °C
1—
+1
%
FIRCTRIM
CC C Fast internal RC oscillator
trimming step
TA = 25 °C
1.6
%
FIRCVAR
CC C Fast internal RC oscillator
variation over temperature and
supply with respect to fFIRC at
TA = 25 °C in high-frequency
configuration
5—
+5
%
1 V
DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.
2 All values need to be confirmed during device validation.
3 This does not include consumption linked to clock tree toggling and peripherals consumption when RC oscillator is
ON.
Table 40. Slow internal RC oscillator (128 kHz) electrical characteristics
Symbol
C
Parameter
Conditions1
Value2
Unit
Min
Typ
Max
fSIRC
CC P Slow internal RC oscillator low
frequency
TA = 25 °C, trimmed
128
kHz
SR —
100
150
ISIRC
3,
CC C Slow internal RC oscillator low
frequency current
TA = 25 °C, trimmed
5
A
TSIRCSU
CC P Slow internal RC oscillator start-up
time
TA = 25 °C, VDD = 5.0 V ± 10%
8
12
s
Table 39. Fast internal RC oscillator (16 MHz) electrical characteristics
Symbol
C
Parameter
Conditions1
Value2
Unit
Min
Typ
Max
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